Wyoming Weather by Month
Wyoming, known for its vast open spaces, rugged mountains, and iconic national parks, experiences a wide range of weather patterns throughout the year. The state’s climate varies significantly depending on the region and elevation, with the western part of the state, particularly the mountainous areas, experiencing more precipitation and colder temperatures than the eastern plains. Wyoming’s weather is characterized by its seasonal extremes, with cold, snowy winters and warm, dry summers. The state is also known for its strong winds, which can be felt year-round, particularly in the high plains. The diverse climate makes Wyoming a year-round destination, with each season offering unique opportunities for outdoor activities and exploration. From the snow-capped peaks of the Teton Range in winter to the blooming wildflowers in the summer, Wyoming’s weather plays a crucial role in shaping the state’s natural beauty and the experiences of those who visit.
| Month | Avg. Temp (°F) | Avg. Temp (°C) | Avg. Precipitation (in) |
|---|---|---|---|
| January | 15-30 | -9 to -1 | 0.5 |
| February | 18-35 | -8 to 2 | 0.4 |
| March | 25-45 | -4 to 7 | 0.6 |
| April | 35-55 | 2 to 13 | 1.0 |
| May | 45-65 | 7 to 18 | 1.4 |
| June | 55-75 | 13 to 24 | 1.2 |
| July | 60-85 | 16 to 29 | 1.0 |
| August | 58-83 | 14 to 28 | 0.9 |
| September | 50-75 | 10 to 24 | 1.0 |
| October | 35-60 | 2 to 16 | 0.9 |
| November | 25-45 | -4 to 7 | 0.6 |
| December | 15-35 | -9 to 2 | 0.6 |
January
Weather Description
January in Wyoming is typically the coldest month of the year, with average temperatures ranging from 15°F to 30°F (-9°C to -1°C). Snowfall is common, particularly in the mountainous regions, making it a popular time for winter sports enthusiasts. The plains can also experience significant snow accumulation, along with icy winds that make it feel even colder.
Clothes to Wear
Due to the harsh winter conditions, it is essential to dress in layers. A thermal base layer, a thick sweater or fleece, and a waterproof, insulated winter coat are recommended. Don’t forget a hat, gloves, and a scarf to protect against the wind and cold. Snow boots with good traction are also necessary for navigating icy conditions.
Major Landmarks Recommended
For those who enjoy winter sports, Jackson Hole is a prime destination in January, offering world-class skiing and snowboarding. Yellowstone National Park is also spectacular in the winter, with opportunities for snowmobiling, cross-country skiing, and wildlife viewing. The park’s geysers and hot springs are particularly stunning against the snowy landscape.
February
Weather Description
February continues the deep winter chill in Wyoming, with temperatures slightly rising to an average range of 18°F to 35°F (-8°C to 2°C). Snow remains a dominant feature, especially in higher elevations, and the state’s strong winds can create challenging conditions, particularly in open areas. However, the lengthening days provide more daylight for outdoor activities.
Clothes to Wear
Similar to January, dressing in layers is crucial. Thermal undergarments, a warm middle layer such as a fleece or down jacket, and a heavy winter coat are necessary. Windproof accessories like a balaclava or a thick scarf can help shield your face from the cold. Insulated boots, thick socks, and gloves are essential for staying warm during outdoor adventures.
Major Landmarks Recommended
February is a great time to visit Grand Teton National Park, where the snow-covered peaks create a breathtaking winter scene perfect for photography and wildlife watching. For those interested in cultural experiences, the Cheyenne Frontier Days Old West Museum offers insights into the state’s history and heritage. Snowshoeing in Medicine Bow National Forest is another excellent way to explore Wyoming’s winter landscape.
March
Weather Description
March in Wyoming marks the transition from winter to early spring, with average temperatures ranging from 25°F to 45°F (-4°C to 7°C). While snowstorms are still possible, especially in the mountains, the lower elevations begin to thaw. The weather can be unpredictable, with a mix of snow, rain, and the occasional sunny day, making it a varied month in terms of weather.
Clothes to Wear
Layering remains important in March due to the fluctuating temperatures. A combination of thermal base layers, waterproof outerwear, and a warm mid-layer is ideal. Be prepared for both winter and spring conditions by wearing waterproof boots, a beanie, and gloves. Carrying an umbrella or a water-resistant hat can also be useful for rain showers.
Major Landmarks Recommended
As the snow begins to melt, Yellowstone National Park slowly reopens some of its areas, allowing for early spring wildlife viewing and scenic drives. The Hot Springs State Park in Thermopolis is an excellent destination to relax in natural hot springs, offering a warm contrast to the cool March air. The Wind River Range offers early spring hiking opportunities, though trails may still be snow-covered at higher elevations.
April
Weather Description
April brings a more noticeable shift towards spring in Wyoming, with temperatures averaging between 35°F and 55°F (2°C to 13°C). Snowfall decreases, particularly in lower elevations, but rain showers become more frequent. The melting snow and occasional rain can make for muddy conditions, especially in rural and mountainous areas.
Clothes to Wear
Spring weather in Wyoming can be quite changeable, so it’s wise to wear layers that can be adjusted throughout the day. Waterproof jackets and boots are essential for navigating wet and muddy terrain. A light fleece or sweater can be paired with a rain jacket, and a hat and gloves might still be necessary on cooler days.
Major Landmarks Recommended
April is a beautiful time to visit Devils Tower National Monument, as the spring thaw brings vibrant green landscapes and blooming wildflowers around this iconic geological formation. Bighorn Canyon National Recreation Area is another great destination for hiking and exploring the natural beauty of the region as it awakens from winter. Laramie offers historical sites and museums that are perfect for those interested in the state’s rich frontier history.
May
Weather Description
May in Wyoming signals the arrival of warmer weather, with average temperatures ranging from 45°F to 65°F (7°C to 18°C). The landscape begins to flourish with greenery and blooming flowers, and the higher elevations still hold some snow, creating picturesque contrasts. Rain showers are common, contributing to the lush spring scenery.
Clothes to Wear
May requires a versatile wardrobe to handle the variable weather. Light layers such as t-shirts and long-sleeve shirts, paired with a light jacket or sweater, are ideal. Waterproof clothing, including a rain jacket and sturdy boots, is recommended for those venturing into nature. As temperatures rise, you can start to swap heavier winter gear for lighter, more breathable options.
Major Landmarks Recommended
May is an excellent time to visit Grand Teton National Park, where the combination of snow-capped peaks and blooming valleys creates stunning vistas. The Jackson Hole Valley is also a prime spot for springtime wildlife viewing, particularly as bears, moose, and other animals emerge from hibernation. Thermopolis offers the unique opportunity to soak in natural hot springs while enjoying the warm spring air.
June
Weather Description
June ushers in the warmth of early summer in Wyoming, with temperatures ranging from 55°F to 75°F (13°C to 24°C). The state’s landscapes are lush and green, with wildflowers in full bloom. Higher elevations still retain snow, but the weather is generally mild and pleasant, making it an ideal time for outdoor activities.
Clothes to Wear
With the arrival of warmer weather, lighter clothing becomes more appropriate. T-shirts, light long-sleeve shirts, and hiking pants are ideal for daytime activities. However, evenings can still be cool, so a light jacket or fleece is recommended. Sunscreen, hats, and sunglasses are also important to protect against the strong summer sun.
Major Landmarks Recommended
June is one of the best times to explore Yellowstone National Park, as the park is fully open, and wildlife is abundant. The Beartooth Highway offers breathtaking scenic drives with panoramic views of the mountains and valleys. For those interested in cultural history, the Buffalo Bill Center of the West in Cody provides fascinating insights into the American West.
July
Weather Description
July is the warmest month in Wyoming, with temperatures averaging between 60°F and 85°F (16°C to 29°C). The weather is generally dry and sunny, with occasional afternoon thunderstorms that bring brief, intense rain showers. This is the peak of the summer season, and outdoor activities are at their height.
Clothes to Wear
Summer attire is suitable for July, including t-shirts, shorts, and breathable fabrics. However, temperatures can drop in the evenings, so a light jacket or sweater is still advisable. Comfortable hiking shoes or sandals are recommended for outdoor activities, and don’t forget sun protection, including sunscreen, hats, and sunglasses.
Major Landmarks Recommended
July is perfect for visiting Grand Teton National Park, where the warm weather makes for excellent hiking, boating, and wildlife viewing. The Cheyenne Frontier Days in Cheyenne, the largest outdoor rodeo and Western celebration in the U.S., is a must-see event that captures the spirit of the Old West. Devils Tower is also an ideal destination for rock climbing and enjoying the summer scenery.
August
Weather Description
August continues the warm summer weather in Wyoming, with temperatures ranging from 58°F to 83°F (14°C to 28°C). The days are long and sunny, making it an ideal month for outdoor adventures. Afternoon thunderstorms remain a possibility, particularly in the mountains, but they are typically brief.
Clothes to Wear
Light, breathable clothing is best for August, with t-shirts, shorts, and comfortable hiking gear being essential. A lightweight rain jacket or poncho can be useful in case of unexpected showers. Sun protection remains important, so hats, sunglasses, and sunscreen are necessary for any outdoor activities.
Major Landmarks Recommended
Yellowstone National Park is in full summer mode, offering unparalleled opportunities for hiking, geyser gazing, and wildlife watching. Wind River Range provides excellent hiking and backpacking opportunities, with its high-altitude lakes and dramatic mountain scenery. The Hot Springs State Park in Thermopolis is a great spot to relax and soak in the mineral-rich waters after a day of exploring.
September
Weather Description
September in Wyoming marks the beginning of fall, with temperatures cooling to an average range of 50°F to 75°F (10°C to 24°C). The days are still warm and pleasant, but the nights become cooler, and the first signs of autumn appear in the changing colors of the leaves. This is one of the best months for outdoor activities, with fewer crowds and stunning landscapes.
Clothes to Wear
Layering is key in September, as temperatures can vary widely throughout the day. A combination of t-shirts, long-sleeve shirts, and a medium-weight jacket or fleece is recommended. Comfortable hiking boots and a hat are essential for exploring the outdoors, and a light rain jacket can be useful for unexpected showers.
Major Landmarks Recommended
September is a prime time to visit Yellowstone National Park and Grand Teton National Park, where the fall foliage adds a spectacular backdrop to the already stunning landscapes. The Beartooth Highway offers some of the most scenic drives in the country, with the added bonus of fall colors. The Wind River Range is also ideal for hiking and fishing as the weather cools down and the summer crowds dissipate.
October
Weather Description
October in Wyoming brings more noticeable autumn weather, with temperatures averaging between 35°F and 60°F (2°C to 16°C). The state begins to prepare for winter, with cooler days and chilly nights. Snowfall is possible, particularly at higher elevations, and the fall colors reach their peak, creating a beautiful contrast against the rugged terrain.
Clothes to Wear
As temperatures drop, warmer clothing becomes necessary. Layered clothing, including long-sleeve shirts, sweaters, and a warm jacket, is ideal for October. A beanie, gloves, and waterproof boots are recommended for those venturing into higher elevations or preparing for the possibility of early snowfall.
Major Landmarks Recommended
October is a great time to visit Jackson Hole, where the fall colors provide a stunning backdrop for outdoor activities like hiking, biking, and wildlife viewing. Yellowstone National Park is quieter this time of year, offering peaceful landscapes and excellent opportunities to see wildlife preparing for winter. The Snowy Range Scenic Byway is another must-see destination, offering breathtaking views of the snow-capped mountains and colorful forests.
November
Weather Description
November in Wyoming signals the transition from fall to winter, with average temperatures ranging from 25°F to 45°F (-4°C to 7°C). Snow becomes more common, especially in the mountains, and the state begins to experience winter conditions. The days are shorter, and the weather is often cold and crisp.
Clothes to Wear
Warm, insulated clothing is necessary for November, including thermal layers, a heavy winter coat, and insulated boots. Hats, gloves, and scarves are also important to protect against the cold. If you plan to spend time outdoors, consider wearing waterproof clothing to handle snow and slush.
Major Landmarks Recommended
November is a quieter time to visit Grand Teton National Park, where the snow-capped mountains create a breathtaking winter landscape. Yellowstone National Park begins to transition to winter operations, offering a peaceful and serene environment for wildlife viewing. The Buffalo Bill Center of the West in Cody is a great indoor destination to learn more about the history and culture of the American West.
December
Weather Description
December in Wyoming is marked by cold temperatures and frequent snowfall, with average temperatures ranging from 15°F to 35°F (-9°C to 2°C). The state is transformed into a winter wonderland, with snow covering the mountains and plains. The days are short, but the festive atmosphere of the holiday season brings warmth and cheer to the cold winter days.
Clothes to Wear
Winter gear is essential in December, including thermal underwear, a thick sweater, a heavy winter coat, and insulated boots. Accessories like hats, gloves, and scarves are necessary to protect against the cold and wind. Layering is key to staying warm, especially if you plan to spend time outdoors.
Major Landmarks Recommended
December is the perfect time to visit Jackson Hole, where the ski season is in full swing, and the town is decked out in holiday lights and decorations. Yellowstone National Park offers unique winter experiences, such as snowmobile tours and guided snowshoe hikes. Cheyenne hosts festive events throughout the month, including Christmas parades and holiday markets, making it a charming destination to experience Wyoming’s winter traditions.
