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Kalispell, Montana climate
Dfb Warm-summer humid continental
Kalispell has a seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 29°C, while the coldest is January averaging around −9°C at night. Around 446 mm of precipitation falls each year, peaking in June (76 mm) and easing off in August (24 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Kalispell climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 3 | 8 | 14 | 20 | 23 | 29 | 29 | 23 | 14 | 5 | 0 |
| Avg temp (°C) | −4 | −3 | 2 | 7 | 11 | 15 | 19 | 18 | 13 | 6 | 0 | −4 |
| Avg low (°C) | −9 | −8 | −4 | −1 | 3 | 7 | 9 | 8 | 4 | −1 | −5 | −8 |
| Precipitation (mm) | 37 | 26 | 28 | 39 | 45 | 76 | 30 | 24 | 32 | 35 | 36 | 38 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 3 | 8 | 14 | 20 | 23 |
| Avg temp (°C) | −4 | −3 | 2 | 7 | 11 | 15 |
| Avg low (°C) | −9 | −8 | −4 | −1 | 3 | 7 |
| Precipitation (mm) | 37 | 26 | 28 | 39 | 45 | 76 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 23 | 14 | 5 | 0 |
| Avg temp (°C) | 19 | 18 | 13 | 6 | 0 | −4 |
| Avg low (°C) | 9 | 8 | 4 | −1 | −5 | −8 |
| Precipitation (mm) | 30 | 24 | 32 | 35 | 36 | 38 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 72 | 72 | 69 | 67 | 43 | 45 | 53 | 67 | 74 | 73 |
| Relative humidity (%) | 98 | 98 | 93 | 80 | 73 | 72 | 59 | 52 | 58 | 73 | 90 | 97 |
| Wind speed (mph) | 1.1 | 1.1 | 1.0 | 0.8 | 0.6 | 0.5 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 1.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 72 | 72 | 69 | 67 |
| Relative humidity (%) | 98 | 98 | 93 | 80 | 73 | 72 |
| Wind speed (mph) | 1.1 | 1.1 | 1.0 | 0.8 | 0.6 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 43 | 45 | 53 | 67 | 74 | 73 |
| Relative humidity (%) | 59 | 52 | 58 | 73 | 90 | 97 |
| Wind speed (mph) | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 1.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Glacier Park International Airport, a weather station, about 13 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.