Missoula, Montana, experiences a continental climate with distinct seasons, characterized by warm summers and cold winters. This climate type is influenced by the city’s inland location, mountainous terrain, and its proximity to the Continental Divide. In this comprehensive overview, we will delve into the various aspects of Missoula’s climate, including temperature, precipitation, seasonal changes, and how this climate impacts the local environment and daily life.

General Overview:

According to Citiesplustowns, Missoula’s climate falls within the continental category, common in the interior of North America. The city’s proximity to the Rocky Mountains and its position west of the Continental Divide play significant roles in shaping its weather patterns.


Summer (June – August): Summers in Missoula are warm and relatively dry. Daytime highs typically range from the mid-70s to mid-80s Fahrenheit (around 24-30°C), but temperatures can occasionally reach into the 90s°F (around 32-37°C) during heatwaves. Nights are generally cool and comfortable, with temperatures in the 50s and 60s°F (around 10-20°C). Summer days are long, with plenty of sunshine, making it an ideal time for outdoor activities like hiking, biking, and water sports in the nearby rivers and lakes.

Fall (September – November): Fall in Missoula is a season of transition, with warm days giving way to cooler temperatures. September continues to offer daytime highs in the 70s and 80s°F (around 24-30°C). By October and November, temperatures become cooler, with daytime highs ranging from the 50s to 60s°F (around 10-20°C). Nights are crisp, with temperatures dropping into the 30s and 40s°F (around 4-15°C). Fall foliage is a highlight, with the surrounding mountains and forests showcasing vibrant shades of red, yellow, and orange.

Winter (December – February): Winters in Missoula are cold, with daytime highs typically ranging from the mid-20s to low 30s°F (around -4 to 1°C). Nights are frigid, often dropping well below freezing into the teens and single digits°F (around -9 to -17°C). The city experiences a significant amount of snowfall, with monthly averages ranging from 12 to 18 inches (30-46 cm). Snow is common throughout the winter, and residents are accustomed to snowy conditions and winter sports. The season is marked by overcast skies and snow-covered landscapes, providing opportunities for skiing, snowboarding, and ice skating.

Spring (March – May): Spring in Missoula is marked by gradually warming temperatures. March starts with daytime highs in the 40s and 50s°F (around 4-15°C), and by May, daytime highs reach the upper 50s to low 60s°F (around 13-20°C). Nights are cool but gradually become milder. Spring can bring occasional rain showers as the weather transitions into warmer conditions. It’s an ideal season for outdoor activities and enjoying the city’s parks and gardens as the landscape awakens from winter.

View of Missoula from Mount Sentinel, in Missoula, Montana


Missoula’s continental climate is characterized by moderate precipitation levels, with some variation between seasons.

Summer: The summer months of June, July, and August are relatively dry, with average monthly precipitation ranging from 1 to 2 inches (25-51 mm). Thunderstorms can bring sporadic heavy rainfall, but the season is generally sunny.

Fall: Fall sees a slight increase in precipitation. September and October typically receive around 1 to 2 inches of rainfall each month. This period marks the beginning of a transition to wetter conditions.

Winter: Winter in Missoula is relatively dry, with monthly precipitation averages typically around 1 inch (25 mm). Snowfall is the dominant form of precipitation, with consistent snow cover throughout the season.

Spring: Spring months, particularly April and May, experience an increase in precipitation. Monthly averages range from 1.5 to 2.5 inches (38-64 mm), with rain showers becoming more common. Spring rainfall is essential for replenishing groundwater and sustaining local vegetation.

Missoula is also known for its clear and sunny days, with more than 300 days of sunshine per year on average.

Seasonal Changes:

Missoula’s climate significantly influences various aspects of life, from outdoor activities to local culture and events.

Summer Recreation:* Summers provide an opportunity for residents and visitors to enjoy the beautiful natural surroundings, with activities such as hiking, biking, fishing, and water sports in the rivers and lakes. The city’s parks and outdoor festivals are particularly popular during this season.

Fall Foliage:* Fall is a prime time for leaf-peeping and enjoying the vibrant autumn colors in the mountains and forests surrounding Missoula. Various autumn festivals and cultural events celebrate the season.

Winter Sports:* The winter season attracts those looking for winter sports like skiing, snowboarding, and snowmobiling. Local ski resorts and backcountry terrain offer numerous opportunities for winter enthusiasts.

Spring Blooms:* Spring in Missoula marks the reawakening of nature, with wildflowers, blooming trees, and an abundance of birdlife. Residents take to the hiking trails and parks to enjoy the fresh greenery.

Damon flyfishing on the Blackfoot River near Missoula, Montana with a storm threatening in the background.

Climate Impact on Daily Life:

Missoula’s climate significantly influences daily life, affecting activities, clothing choices, and regional industries.

Winter Preparedness:* Residents are well-prepared for winter weather, with practices for snow removal on driveways and sidewalks. Winter weather can affect transportation and daily routines, but residents are experienced at managing snowy conditions.

Seasonal Wardrobe:* Wardrobes change with the seasons, with summers calling for light, breathable clothing, and winters requiring warm layers and appropriate winter gear.

Outdoor Activities:* The climate encourages residents and visitors to engage in various outdoor activities throughout the year, from summer water sports to winter skiing.

Tourism:* The beautiful natural surroundings and outdoor recreational opportunities make Missoula a popular destination for tourists seeking a range of activities from hiking and biking to winter sports and wildlife viewing.

Missoula, Montana, experiences a continental climate with distinct seasons, providing a range of outdoor and cultural experiences for residents and visitors. The city’s natural beauty, recreational opportunities, and seasonal changes make it an attractive destination for those seeking both outdoor adventure and cultural enjoyment. While the climate presents some seasonal variations and the potential for winter snowfall, it enhances the region’s charm and provides opportunities for seasonal activities and celebrations.

Climate of Missoula, Montana
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