What is the hottest month in Kalispell?

July is the warmest month in Kalispell, with an average high of 82.2°F.

What is the coldest month in Kalispell?

January is the coldest month in Kalispell, with an average low of 16.3°F.

What month does Kalispell get the most rain?

June is typically the wettest month in Kalispell, with about 2.84 inches of precipitation.

What plant hardiness zone is Kalispell in?

Kalispell is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Has the climate in Kalispell changed recently?

14.5% of Kalispell's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Kalispell, MT

Climate overview — based on NOAA 1991-2020 normals from KALISPELL GLACIER AP, MT US.

Dfb Warm-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Kalispell has an annual average temperature of 43.1°F with about 16.8 inches of precipitation per year and 54.4 inches of snow. The warmest month is July (average high 82.2°F), and the coldest is January (average low 16.3°F). June is typically the wettest month (2.84 in) and August the driest (0.76 in). Snow typically falls from January through December.

Annual swing

41.2°F

warmest to coldest month

Heating need

7,893

HDD/yr

Cooling need

CDD/yr

Best time to visit Kalispell

Full guide →

Climate change signal

All-time records →

53 of 366 (14.5%) of Kalispell's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		9
1900s		17
1910s		26
1920s		22
1930s		35
1940s		22
1950s		13
1960s		44
1970s		39
1980s		29
1990s		27
2000s		21
2010s		31
2020s		31

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	31.0°F	16.3°F	23.7°F	1.40 in	13.9 in	14
February	35.5°F	18.1°F	26.8°F	0.96 in	8.4 in	11
March	45.1°F	24.0°F	34.5°F	1.11 in	5.4 in	12
April	55.0°F	30.5°F	42.7°F	1.34 in	1.2 in	11
May	65.1°F	38.1°F	51.6°F	1.84 in	0.2 in	12
June	71.2°F	44.0°F	57.6°F	2.84 in	0.3 in	13
July	82.2°F	47.6°F	64.9°F	1.14 in	—	7
August	81.7°F	45.7°F	63.7°F	0.76 in	—	6
September	70.4°F	38.3°F	54.3°F	1.17 in	—	8
October	54.1°F	29.1°F	41.6°F	1.35 in	1.1 in	11
November	39.4°F	23.5°F	31.4°F	1.35 in	8.0 in	12
December	31.0°F	17.2°F	24.1°F	1.50 in	15.9 in	14