Kalispell, Montana

Climate of Kalispell, Montana

Kalispell, Montana, is a picturesque city situated in the northwestern part of the state, surrounded by the stunning landscapes of the Flathead Valley. Nestled in the Rocky Mountains, Kalispell is the largest city in Flathead County and serves as the commercial hub for the region. To gain a comprehensive understanding of the weather and climate of Kalispell, it is crucial to explore its seasonal variations, precipitation patterns, temperature ranges, and the influence of its geographical location.

Geography and Location:

According to Citiesplustowns, Kalispell is located in the Flathead Valley, surrounded by the Rocky Mountains to the east and the Whitefish Range to the north. The city is positioned approximately 31 miles southwest of Glacier National Park, one of the most iconic and pristine national parks in the United States. The Flathead River flows through the valley, contributing to the area’s natural beauty.

Climate Classification:

Kalispell falls under the classification of a continental climate, specifically a warm-summer continental or hemiboreal climate. This climate type is characterized by distinct seasons, with warm to hot summers and cold winters. The elevation and proximity to mountainous terrain play a significant role in shaping Kalispell’s climate.


  1. Spring:

Spring in Kalispell typically begins in March and extends through May. During this season, the city experiences a gradual transition from winter to summer. Average temperatures range from the 30s°F (around 0°C) in March to the 50s and 60s°F (10–20°C) in May. Spring brings the awakening of nature, with snowmelt, budding trees, and the return of wildlife.

  1. Summer:

Kalispell’s summers, from June to August, are characterized by warm to hot temperatures, making it an ideal time for outdoor activities. Average temperatures range from the 70s°F (21–26°C) in June to the 80s and occasionally 90s°F (27–37°C) in July and August. The longer daylight hours provide ample time for exploring the nearby national parks, lakes, and hiking trails.

  1. Autumn:

Fall in Kalispell, spanning from September to November, is marked by a spectacular display of fall foliage. Average temperatures range from the 60s°F (15–21°C) in September to the 40s°F (4–9°C) in November. Fall is a popular time for visitors to experience the vibrant colors of the changing leaves against the backdrop of the mountains.

  1. Winter:

Winters in Kalispell, from December to February, bring cold temperatures and snowfall. Average temperatures range from the 20s°F (-6 to -1°C), with occasional drops below freezing. Snow covers the landscape, creating a winter wonderland. Winter sports enthusiasts can enjoy activities like skiing and snowmobiling in the nearby mountains.


Kalispell receives a moderate amount of precipitation throughout the year, with an average annual rainfall of about 16 inches (406 mm). Precipitation is relatively evenly distributed across the seasons, but winter brings the majority of the city’s moisture in the form of snow. The mountains surrounding Kalispell contribute to orographic lift, enhancing precipitation on windward slopes.

Influence of Mountainous Terrain:

The presence of the Rocky Mountains and the Whitefish Range significantly influences Kalispell’s climate. The mountains act as a barrier to prevailing westerly winds, causing orographic lift. As moist air is forced upward, it cools and condenses, leading to increased precipitation on the windward side of the mountains. This effect contributes to the region’s snowfall in winter and helps maintain the natural beauty of the landscape.


Kalispell may exhibit microclimates within its boundaries due to variations in elevation, proximity to water bodies, and urban versus rural settings. Areas at higher elevations or closer to mountainous terrain may experience slightly different temperature and precipitation patterns compared to lower elevations or more urbanized sections of the city. These microclimatic variations contribute to the diversity of experiences within Kalispell.

Climate Change Considerations:

Like many regions worldwide, Kalispell faces considerations related to climate change. Changes in temperature, precipitation patterns, and the potential for more extreme weather events are areas of concern. The city may be engaged in climate resilience planning, focusing on sustainable practices and adaptive measures to address these challenges while preserving its unique natural environment.


Kalispell, Montana, boasts a continental climate that showcases the beauty of distinct seasons against the backdrop of the Rocky Mountains. With warm summers, vibrant autumns, snowy winters, and the proximity to natural wonders like Glacier National Park, Kalispell offers residents and visitors a diverse range of experiences throughout the year. The city’s geographical location and mountainous surroundings play a crucial role in shaping its climate, contributing to the unique charm that defines life in this part of Montana. As Kalispell continues to thrive and evolve, its climate remains a defining aspect, influencing the lifestyle and experiences of those who call it home.

Kalispell, Montana

About the author