Average annual temperature is 8.8 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 170 days
Number of rainy days: 129 days
Number of snow days: 66 days
Look at detailed online map of Missoula County
* Weather data for Missoula County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 7.0 | 6.5 | 11.2 | 27.0 | 29.7 | 31.3 | 36.1 | 37.2 | 30.1 | 25.4 | 13.6 | 10.6 |
| Average daytime temperature (°C) | 0.8 | 2.4 | 5.2 | 13.3 | 23.3 | 23.8 | 31.5 | 29.4 | 23.0 | 15.3 | 8.0 | 6.0 |
| Average temperature (°C) | -3.5 | -2.8 | -1.0 | 6.0 | 15.4 | 17.2 | 23.1 | 21.5 | 15.6 | 9.0 | 2.7 | 1.8 |
| Average night temperature (°C) | -7.2 | -6.8 | -6.4 | 0.3 | 8.4 | 11.1 | 15.0 | 15.2 | 10.0 | 4.6 | -0.8 | -1.1 |
| Absolute minimum temperature (°C) | -23.2 | -21.7 | -14.8 | -8.7 | 2.9 | 2.9 | 8.4 | 10.1 | 3.6 | -7.8 | -7.7 | -8.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.6 | 5.8 | 7.9 | 9.7 | 12.0 | 12.5 | 14.2 | 10.9 | 9.7 | 7.8 | 6.0 | 4.9 |
| Precipitation (mm) | 49 | 36 | 47 | 59 | 44 | 61 | 0 | 62 | 39 | 46 | 37 | 31 |
| Sunny days | 10 | 8 | 11 | 10 | 11 | 7 | 29 | 16 | 21 | 17 | 13 | 17 |
| Rainy days | 1 | 5 | 5 | 12 | 20 | 23 | 2 | 15 | 9 | 12 | 16 | 9 |
| Snow days | 20 | 15 | 15 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 |
The best time to visit Missoula County during the most sunny months:
Months with the longest average daylight duration in Missoula County:
The largest precipitation sum in Missoula County is at