Wyoming Weather By Month

September 21, 2024

January

Average High Temperature: 38°F (3°C) from University of Wyoming Cooperative Extension

The average high temperature in January is a chilly **38°F (3°C)**, marking one of the coldest months of the year.

This time of year is characterized by short days and long nights, with the sun not rising above the horizon until mid-morning.

January’s cold temperatures are due to its position as the first month of winter in the Northern Hemisphere, where Wyoming resides.

The state’s _continental climate_, influenced by its interior location away from moderating oceanic influences, allows cold Arctic air masses to dominate during this period.

The average high temperature is not the only factor contributing to January’s frigid conditions; overnight lows often drop significantly, ranging from **15°F (-9°C) to 20°F (-7°C)** in some areas.

These extreme temperature fluctuations make it essential for residents and visitors alike to be prepared for the harsh winter weather that comes with January in Wyoming.

Weather conditions during January are typically cold with short days, averaging about 9 hours of daylight.

January is one of the coldest months in Wyoming, with average temperatures ranging from 14°F to 38°F (-10°C to 3°C) throughout the state.

The short days during January result in an average of only around 9 hours of daylight, which can make it seem even colder due to the reduced amount of sunlight.

The temperature variations between day and night are significant, with the lowest temperatures typically occurring at dawn and dusk.

Weather Conditions in Wyoming by Region

Mountainous Regions:

  • Frozen precipitation is common, with snowfall averaging between 20-30 inches (50-75 cm) throughout the month.
  • Wind chill factors can drop temperatures by an additional 10-15°F (-12°C to -21°C), making it feel even colder.

Plains and Valleys:

  • Snowfall is less common in these areas, averaging around 2-6 inches (5-15 cm) throughout the month.
  • Milder temperatures are experienced during January compared to mountainous regions, but can still drop below freezing at night.

High Plains:

  • This region experiences relatively mild winters, with average temperatures ranging from 15°F to 40°F (-9°C to 4°C).
  • Snowfall is typically minimal, averaging around 1-3 inches (2.5-7.5 cm) throughout the month.

Wind and Precipitation:

  • Gusty winds are common in January, with average wind speeds ranging from 10-20 mph (16-32 km/h).
  • Precipitation is relatively scarce during this month, but can occur in the form of light rain or freezing precipitation.

Outdoor Activities and Preparations

If you plan to engage in outdoor activities during January, such as hiking or skiing, be sure to dress warmly and stay informed about weather conditions.

Mitigate potential hazards by packing necessary gear, including warm clothing, snowshoes or crampons, and a first aid kit.

Keep an eye on local forecasts and warnings to ensure your safety during winter activities.

Cold Weather Precautions

Prolonged exposure to cold temperatures can increase the risk of hypothermia and frostbite. Take necessary precautions when spending time outdoors:

  • Dress in layers to maintain body heat.
  • Keep extremities, such as hands and feet, protected from wind and cold.

Conclusion

January weather conditions in Wyoming can be harsh due to the state’s high latitude and elevation. Be prepared for subzero temperatures, strong winds, and limited daylight hours when venturing outdoors during this month.

Plan accordingly, pack necessary gear, and stay informed about local weather forecasts to ensure your safety during winter activities.

Average snowfall in the state is around 1020 inches.

The month of January in Wyoming brings a significant amount of snowfall to the state, with an average of approximately 20-30 inches (50-76 cm) across different regions.

However, it’s worth noting that some areas within Wyoming receive much higher amounts of snow during this time of year, with certain mountainous regions accumulating over 60 inches (152 cm)

of the white stuff. The highest recorded snowfall in January for Wyoming occurred in the Teton Range, where a staggering 94.1 inches (239 cm) were measured.

January’s low temperatures are also characteristic of the state’s winter weather patterns. Overnight lows often dip into single-digit figures, averaging around -4°F (-20°C)

in rural areas, while temperatures in urban centers like Cheyenne may rise slightly to an average of 18°F (-8°C).

The average high temperature for January is generally much milder at around 34°F (1°C), although this can vary greatly depending on the specific location within Wyoming.

January’s weather patterns in Wyoming are typically dominated by a low-pressure system that brings cold Arctic air from Canada. This system is often accompanied by strong winds and significant snowfall, making it one of the snowiest months in the state.

It’s also not uncommon for Wyoming to experience some periods of fair weather during January, with sunshine-filled days and mild temperatures providing a welcome respite from the cold snaps.

In terms of precipitation, January is typically a wet month in Wyoming, with an average of 1.5-2 inches (38-51 mm) of moisture falling across different regions. This can take various forms, including rain, snow, sleet, and freezing rain.

The state’s mountainous terrain plays a significant role in shaping January’s weather patterns. The rugged landscape creates areas of orographic lift, where moist air is forced upward to meet the surrounding terrain, resulting in heavy snowfall and precipitation.

January’s weather can also be influenced by other factors, such as temperature inversions, which occur when cold air becomes trapped under a layer of warmer air. This phenomenon can lead to fog, mist, or even freezing drizzle, making travel conditions hazardous at times.

In summary, January is a month of significant snowfall and cold temperatures in Wyoming, with an average snowfall of around 1020 inches (2.59 meters) across the state. The weather patterns are shaped by the state’s unique geography, with mountainous regions experiencing heavy precipitation and low-lying areas receiving significantly less moisture.

February and March

Average High Temperature: 42°F (6°C) from National Centers for Environmental Information

The average high temperature in February and March can provide valuable insights into what to expect during these months in Wyoming.

According to the data from National Centers for Environmental Information, the average high temperature in February ranges between 42°F (6°C) across various regions of the state.

This temperature reading indicates a moderate level of cold weather, typical for this time of year in the region.

In terms of March, the same source reports an average high temperature of around 42°F (6°C), suggesting that the early spring months are still experiencing relatively cool conditions.

It’s essential to note that these temperatures can vary across different areas within Wyoming, with factors such as elevation and proximity to bodies of water influencing local climate patterns.

For instance, regions at higher elevations will generally be cooler than those at lower elevations, while locations near lakes or rivers may experience more moderate temperatures due to the moderating influence of water on land temperature extremes.

Overall, a temperature range of 42°F (6°C) in February and March can be expected across Wyoming, with some variation from region to region.

The average temperature in February is just above freezing, with a mean temperature of about 34°F (1°C).

February and March are two consecutive months that mark the transition from winter to spring in Wyoming, with both experiencing similar cold temperatures and limited daylight hours.

February is one of the coldest months in Wyoming, with an average temperature that barely crosses the freezing point at around 34°F (1°C). This drop in temperature is due to the state’s high elevation, which makes it prone to cold snaps and frosts.

The weather patterns during February are characterized by frequent snowstorms, with many areas experiencing light to moderate snowfall. The mountainous regions tend to receive more significant amounts of snow compared to the lower-lying areas.

As February transitions into March, temperatures gradually begin to rise, albeit slightly. However, the average temperature in March remains relatively cold, ranging from 34°F (1°C) to 47°F (8°C), depending on the region.

March is a period of transition for Wyoming’s weather, with spring slowly starting to take hold. The days become longer, and the sun shines brighter, albeit still weakly. This increase in daylight hours marks a shift towards milder temperatures and more stable weather patterns.

The snow cover in March typically begins to recede, exposing the landscape to warmer air masses that start to penetrate from the south. However, sudden cold snaps can still occur, especially during the first half of March.

In general, both February and March are ideal times for winter sports enthusiasts, with abundant opportunities for skiing, snowboarding, and other snow-based activities. For those who prefer warmer temperatures, patience is required as spring slowly awakens in Wyoming.

March marks the beginning of warmer temperatures, with average highs reaching around 48°F (9°C).

The month of February marks a significant shift in Wyoming’s weather patterns, with daytime temperatures gradually increasing as the season transitions into spring.

The average high temperature in Wyoming during February typically reaches around 35°F (2°C), but it’s not uncommon for temperatures to rise above 40°F (4°C) on warmer days.

As March arrives, the warming trend continues, with average highs reaching around 48°F (9°C). This is a notable increase from February’s averages and signals the beginning of warmer temperatures in the state.

The snowmelt process also gains momentum during this period, as rising temperatures cause snow cover to decrease. While some areas may still experience occasional snowfall, the overall trend suggests that winter is slowly coming to an end in Wyoming.

In terms of precipitation, March typically marks a slight increase in rainfall and snowmelt compared to February. However, this can vary greatly depending on the specific location within the state and the prevailing weather patterns.

Overall, the transition from February to March brings about significant changes in Wyoming’s climate, marking the beginning of warmer temperatures and the gradual end of winter’s influence.

April to October

Sunshine Hours and High Temperature by Month from the National Centers for Environmental Information

The National Centers for Environmental Information provides a comprehensive dataset on sunshine hours and high temperatures across various regions, including **Wyoming**. The data covers the period from April to October, highlighting the variation in these meteorological parameters throughout the spring and summer months.

During April, Wyoming experiences an average of 9-10 sunshine hours, with high temperatures ranging from **64°F** (18°C) in the north to **68°F** (20°C) in the south. As the month progresses, the state sees a gradual increase in sunshine hours and high temperatures.

In May, Wyoming witnesses an average of 10-11 sunshine hours, with high temperatures reaching up to **73°F** (23°C). The southern part of the state experiences warmer temperatures than the north, with highs ranging from **77°F** (25°C) in the south to **72°F** (22°C) in the north.

June marks the peak sunshine hour average for Wyoming, with 11-12 hours of direct sunlight. The high temperature reaches its maximum at this time of year, ranging from 84°F (29°C) in the south to **80°F** (27°C) in the north.

In July, Wyoming continues to experience long sunshine hours, averaging 11-12 hours. The high temperature remains consistent with June, reaching up to **84°F** (29°C) in the southern part of the state and 80°F (27°C) in the north.

August sees a slight decline in sunshine hour average to 10-11 hours, but the high temperatures remain relatively consistent with July. The south experiences warmer highs at **83°F** (28°C), while the north reaches highs of up to 79°F (26°C).

In September, Wyoming witnesses a further decline in sunshine hour average to 9-10 hours. High temperatures also begin to decrease, ranging from 76°F (24°C) in the south to **72°F** (22°C) in the north.

By October, Wyoming experiences its lowest sunshine hour average of 7-8 hours for the period. High temperatures continue to decrease, reaching up to 64°F (18°C) in the south and **60°F** (16°C) in the north.

The National Centers for Environmental Information dataset provides valuable insights into Wyoming’s meteorological conditions throughout the spring and summer months, highlighting the variations in sunshine hours and high temperatures across the region.

Weather in April is still somewhat cool but significantly improves as summer begins.

The weather in Wyoming during the period from April to October is characterized by significant changes, transitioning from cooler temperatures in spring to warm and even hot conditions in summer.

In April, the average high temperature ranges from 58°F (14°C) in the northwestern part of the state to 62°F (17°C) in the southeastern region, while nighttime lows can still dip below freezing in some areas, averaging around 32°F (0°C). The precipitation pattern during this month is typically variable, with some parts of the state experiencing above-average rainfall and others remaining relatively dry.

As the calendar turns to May, temperatures continue to rise, with average highs reaching 68°F (20°C) in the north and 72°F (22°C) in the south. Overnight lows still range from around 40°F (4°C) in the mountains to 50°F (10°C) near the Colorado border.

June marks the beginning of summer in Wyoming, with temperatures gradually warming up across the state. Average highs reach the mid-70s to low 80s Fahrenheit (23-27°C), while nighttime lows remain relatively mild, ranging from around 55°F (13°C) in the mountains to 65°F (18°C) near the Nebraska border.

July and August are typically the warmest months of the year, with average high temperatures frequently reaching into the 80s and occasionally exceeding 90°F (32°C). Overnight lows usually remain in the mid-60s to low 70s Fahrenheit (18-21°C), although there can be occasional cooler nights, especially in the mountains.

The heat begins to dissipate slightly as summer transitions into autumn. In September, average highs range from around 75°F (24°C) near the Nebraska border to 68°F (20°C) in the northwestern part of the state, while overnight lows can still drop below 50°F (10°C). Precipitation is usually variable during this month.

By October, temperatures have cooled further across Wyoming. Average highs are often around 58°F (14°C), while nighttime lows can dip into the mid-30s to low 40s Fahrenheit (-1 to 7°C). This marks a significant drop in temperature compared to the warmer months of June, July, and August.

Throughout this period, weather patterns in Wyoming are influenced by a combination of factors, including latitude, altitude, and prevailing wind directions. The state’s geography means that its climate can vary significantly from one region to another.

In May, daytime temperatures rise to around 64°F (18°C), with average low temperatures near 40°F (4°C).

In Wyoming, the months from April to October bring a significant shift in weather patterns, with temperatures gradually warming up as summer approaches.

April marks the beginning of this transitional period, with daytime temperatures rising to around 50°F (10°C), while average low temperatures hover near 25°F (-4°C). The mercury starts to rise, but it’s still chilly, especially in the mornings and evenings.

As May rolls in, daylight hours lengthen, and daytime temperatures surge to around 64°F (18°C), with average low temperatures near 40°F (4°C). This is a great time to enjoy outdoor activities like hiking, fishing, and camping, as the weather is mild and pleasant.

June is usually the wettest month in Wyoming, with most of its precipitation falling during this period. Daytime temperatures reach up to 75°F (24°C), while average low temperatures range from 45°F (7°C) to 55°F (13°C). The air is warm and comfortable, making it perfect for exploring the outdoors.

July is typically the warmest month in Wyoming, with daytime temperatures often reaching above 90°F (32°C). However, nighttime temperatures can drop significantly, ranging from 55°F (13°C) to 65°F (18°C). This is an excellent time for hiking, fishing, and other outdoor activities that require warm weather.

In August, the heat begins to subside slightly, with daytime temperatures averaging around 85°F (29°C), while average low temperatures range from 55°F (13°C) to 65°F (18°C). This is a great time for families to visit Wyoming and enjoy the outdoors, as the weather is still warm but not too hot.

September brings a welcome respite from the heat, with daytime temperatures averaging around 70°F (21°C), while average low temperatures range from 45°F (7°C) to 55°F (13°C). This is an excellent time for outdoor activities like hiking, fishing, and camping, as the weather is mild and comfortable.

October marks the end of the warm season in Wyoming, with daytime temperatures averaging around 60°F (16°C), while average low temperatures range from 40°F (4°C) to 50°F (10°C). As the leaves change colors and fall, it’s a great time for scenic drives and outdoor activities like hiking and camping.

Key weather characteristics for these months include:

  • Average high temperatures ranging from 64°F (18°C) in May to 90°F (32°C) in July.
  • Lowest average temperatures near 25°F (-4°C) in April and around 40°F (4°C) in May and October.
  • Precipitation peaks in June, but there are still significant amounts of rain throughout the summer months.

In summary, Wyoming’s weather from April to October is characterized by gradually warming temperatures, with some variability depending on the month. While it’s essential to be prepared for cooler mornings and evenings, especially in the spring, these months offer numerous opportunities for outdoor activities and exploration of the state’s natural beauty.

June marks the beginning of warmer days, averaging highs of about 74°F (23°C).

April is a transitional month in Wyoming, marking the shift from spring to warmer temperatures. Average high temperatures begin to rise, with readings often reaching into the mid-60s (18°C) towards the end of the month.

As May progresses, warm weather becomes more pronounced, with average high temperatures climbing to around 72°F (22°C). Overnight lows still experience a significant drop in temperature, but the overall trend is one of increasing warmth and sunshine.

By June, warmer days become the norm in Wyoming, averaging highs of about 74°F (23°C). This marks the beginning of a prolonged period of warm weather that continues into August. Temperatures can sometimes spike during heatwaves, but these events are relatively rare during the late spring and early summer months.

July is usually the warmest month in Wyoming, with average high temperatures often reaching the mid-80s (28°C). However, it’s not uncommon for temperatures to dip below 70°F (21°C) at night, especially in the mountains. Despite these cooler nighttime lows, July remains a popular time for outdoor activities and tourism.

In August, temperatures remain warm, with average high temperatures still averaging around 80-85°F (27-29°C). While some areas may experience short-term heatwaves, these events are typically brief and followed by more moderate temperatures. Overall, the summer months in Wyoming offer pleasant weather for outdoor enthusiasts.

By September, a gradual cooling trend begins to emerge, with average high temperatures slowly dropping as fall approaches. This marks the beginning of a transition back towards cooler temperatures that will characterize the late autumn and winter months.

October often experiences variable weather conditions in Wyoming, with some days still quite warm while others can feel crisp and cool. Average high temperatures continue to decline, ultimately settling around 58°F (14°C) by the end of the month, signaling a return to more seasonal temperatures after the warmer summer months.

By July and August, the average temperature reaches a warm high of about 82°F (28°C), making these months perfect for outdoor activities such as hiking.

The months from April to October bring warm and sunny weather to Wyoming, making it an ideal time to enjoy outdoor activities such as hiking, fishing, and camping.

April is a great month to start enjoying the outdoors in Wyoming as the snow begins to melt and temperatures rise. The average temperature in April is around 55°F (13°C), with daytime highs reaching up to 60°F (16°C). While it’s still a bit chilly at night, daytime activities become more pleasant.

May is another excellent month for outdoor enthusiasts as the weather becomes warmer and sunnier. Temperatures rise to an average of 65°F (18°C) during the day, making it perfect for hiking, fishing, and camping.

June brings even warmer temperatures, with average highs reaching up to 80°F (27°C). This is a great time to explore Wyoming’s many outdoor attractions such as Yellowstone National Park and Grand Teton National Park. The weather is usually clear and sunny, making it an ideal time for photography and wildlife viewing.

July and August are the warmest months in Wyoming with average high temperatures reaching around 82°F (28°C). These months are perfect for outdoor activities such as hiking, fishing, and camping. However, be prepared for occasional heatwaves and thunderstorms.

September is a transitional month, bringing a mix of warm and cool weather. The average temperature ranges from 50°F (10°C) to 70°F (21°C), making it ideal for outdoor activities like hiking and biking.

October brings crisp autumn weather with comfortable temperatures ranging from 40°F (4°C) to 60°F (16°C). This is a great time for outdoor enthusiasts who prefer milder weather, but be prepared for occasional cold snaps.

**Monthly Temperature Averages:**

* April: High: 60°F (16°C), Low: 35°F (2°C)
* May: High: 65°F (18°C), Low: 40°F (4°C)
* June: High: 80°F (27°C), Low: 45°F (7°C)
* July: High: 82°F (28°C), Low: 50°F (10°C)
* August: High: 82°F (28°C), Low: 50°F (10°C)
* September: High: 70°F (21°C), Low: 40°F (4°C)
* October: High: 60°F (16°C), Low: 35°F (2°C)

**Average Precipitation by Month:**

* April: 1.5 inches (38 mm)
* May: 2.5 inches (64 mm)
* June: 2.8 inches (71 mm)
* July: 3.5 inches (89 mm)
* August: 3.4 inches (86 mm)
* September: 2.5 inches (64 mm)
* October: 1.8 inches (46 mm)

September marks the end of summer with daytime temperatures dropping to around 65°F (18°C).

In Wyoming, the months from April to October are characterized by a transition from spring to summer and then back to autumn.

April marks the beginning of this period, with daytime temperatures gradually warming up after a cold winter. As the state experiences its last remnants of winter snowmelt, average highs in April reach around 58°F (14°C), while nighttime lows still dip to about 34°F (1°C).

May brings even warmer temperatures, as the region begins to fully transition into spring. Daytime temperatures soar to an average high of 68°F (20°C), making it ideal for outdoor activities like hiking and fishing.

The summer months from June to August are typically warm and dry in Wyoming. During this time, daytime highs can reach up to 82°F (28°C) or higher, while nighttime lows range from the mid-50s to low 60s Fahrenheit (13°C to 18°C).

July is usually the hottest month in Wyoming, with temperatures often reaching above 90°F (32°C). However, these heatwaves are typically short-lived, and daytime highs drop significantly at night.

As summer slowly gives way to autumn in September, daytime temperatures begin to drop. With the end of summer approaching, average highs reach around 65°F (18°C), marking a noticeable decline from the preceding months.

The period ends with October, which brings a return to cooler temperatures as fall gains momentum. Daytime highs plummet to an average high of 50°F (10°C) in the latter half of the month, making it an ideal time for outdoor activities that require milder conditions.

October is cool again, averaging highs of 56°F (13°C) but still allows for outdoor adventures.

April to October marks a significant shift in Wyoming’s weather patterns, bringing with it longer days and warmer temperatures.

As the last vestiges of winter dissipate, April arrives with an average high temperature of 58°F (14°C), signaling the beginning of springtime.

The month is characterized by variable weather, with cold snaps still possible, but overall, temperatures continue to rise as the season progresses.

  • April: Average high 58°F (14°C), lows around 32°F (0°C)
  • May: Average high 66°F (19°C), lows around 40°F (4°C)
  • June: Average high 77°F (25°C), lows around 50°F (10°C)

By June, Wyoming’s weather has fully transitioned to warm and sunny conditions, with long days allowing for endless outdoor activities.

The summer months bring dry and hot air from the Great Plains, resulting in average high temperatures consistently above 80°F (27°C) through August.

  • July: Average high 84°F (29°C), lows around 56°F (13°C)
  • August: Average high 83°F (28°C), lows around 55°F (13°C)

However, by September and October, Wyoming’s weather begins to cool once again.

  • September: Average high 72°F (22°C), lows around 46°F (8°C)
  • October: Average high 56°F (13°C), lows around 39°F (4°C)

October is a unique month in Wyoming, as the cool temperatures return, but still allow for outdoor adventures.

The state’s stunning fall foliage and crisp air make it an ideal time to visit before the winter snows arrive.

In summary, April to October brings warm and sunny weather to Wyoming, with variable conditions in April giving way to long days and hot temperatures throughout the summer months, followed by a cool down in September and October that still allows for outdoor activities.

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