About Wyoming Weather

Current Wyoming Weather (Selected Cities)

What is weather in Wyoming like?

Wyoming, located in the western United States, is a state known for its rugged landscapes, towering mountain ranges, high plains, and dramatic weather patterns. With its vast range of elevations—from the Rocky Mountains to the Great Plains—Wyoming experiences a variety of weather conditions throughout the year. This variability is part of what makes Wyoming unique, but it also means that the state's weather can be unpredictable. Here’s an overview of what to expect from Wyoming's weather across the four seasons:

Winter (December to February): Cold, Snowy, and Windy

Winter in Wyoming is defined by cold temperatures, frequent snowfall, and strong winds, especially in the higher elevations and open plains. Average temperatures in winter vary significantly depending on the region. In the lower elevations, such as the plains in the eastern part of the state, temperatures can range from 10°F to 30°F (-12°C to -1°C). In the mountains, such as the Wind River Range and the Teton Range, temperatures can drop significantly lower, often reaching sub-zero levels, particularly at night.

Snow is a common feature of Wyoming winters, with higher elevations receiving substantial accumulations. The ski resorts in the Jackson Hole and Grand Teton areas, for example, often receive over 400 inches (1,016 cm) of snow each season. The plains and valleys also receive snow, though typically in smaller amounts, ranging from 30 to 60 inches (76 to 152 cm) annually. However, the snow often blows around due to the strong winds, which can create blizzard-like conditions and low visibility, especially in open areas.

Spring (March to May): A Season of Transition and Variability

Spring in Wyoming is a season of transition, marked by fluctuating temperatures and variable weather conditions. Early spring, particularly March, often feels like an extension of winter, with cold temperatures and lingering snow. As the season progresses, temperatures begin to warm, typically ranging from 30°F to 60°F (-1°C to 16°C) in March and reaching 50°F to 70°F (10°C to 21°C) by May.

Spring is also a time of significant temperature swings. A single day might feature bright sunshine, followed by sudden snow flurries or rain showers. The state experiences increased precipitation in the spring, particularly in the form of rain, which can occasionally lead to flooding in low-lying areas or near rivers. The western part of the state, closer to the mountains, can continue to see snowfall well into May. Spring storms can be intense, and Wyoming is occasionally affected by severe thunderstorms, especially in the eastern plains.

Summer (June to August): Warm Days, Cool Nights, and Dramatic Weather

Summer in Wyoming is relatively short but generally pleasant, with warm days and cool nights. Average daytime temperatures range from 70°F to 85°F (21°C to 29°C), though it is not uncommon for temperatures to reach the low 90s°F (32°C+) during heatwaves, particularly in the lower elevations. The higher elevations, such as those found in the mountains, are cooler, with daytime highs often in the 60s°F to 70s°F (16°C to 24°C).

Wyoming's summer nights can be quite cool, particularly in the mountains, where temperatures can drop into the 40s°F (4°C to 9°C) or lower. The dry air contributes to significant temperature drops once the sun sets. Wyoming’s summer weather can also be marked by rapid changes; thunderstorms are common in the afternoons and can be severe, bringing heavy rain, hail, and occasional lightning.

One notable feature of Wyoming's summer weather is the wind. Even during the warmer months, Wyoming is known for its persistent winds, especially in open areas and along mountain ranges. The wind can bring cooler temperatures and occasionally dust storms in the more arid parts of the state.

Autumn (September to November): Crisp Air and Stunning Foliage

Autumn in Wyoming is a beautiful season, characterized by clear skies, crisp air, and vibrant foliage, particularly in the mountainous areas where aspen and cottonwood trees turn brilliant shades of yellow, gold, and orange. Early autumn can still feel like summer, with temperatures ranging from 60°F to 80°F (16°C to 27°C) in September. However, as the season progresses, temperatures begin to drop, with daytime highs falling into the 40s°F to 60s°F (4°C to 16°C) by November.

Fall weather in Wyoming is generally dry, with fewer rainy days than in spring. However, the state can still experience sudden weather changes, including early-season snowstorms, particularly in the higher elevations. The cooler temperatures and lower humidity levels make fall an excellent time for outdoor activities like hiking, fishing, and wildlife watching.

Year-Round Considerations: A State of Extremes and Adventure

Wyoming's weather is marked by its extremes, from harsh winters with heavy snow and strong winds to warm, sun-filled summers that are perfect for outdoor exploration. The state's weather can change rapidly, especially in the mountains, where a sunny day can quickly turn into a snowstorm. Visitors and residents alike must be prepared for all types of weather conditions, often carrying multiple layers and gear to accommodate the unpredictable nature of the climate.

Despite its sometimes harsh conditions, Wyoming’s diverse weather is part of its charm, offering a dynamic backdrop for its stunning natural landscapes. Whether you’re skiing in Jackson Hole, hiking in the Wind River Range, or exploring Yellowstone and Grand Teton National Parks, understanding Wyoming’s year-round weather is key to making the most of your time in this beautiful state.