Average annual temperature is 8.5 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -27.6 °C
Number of sunny days: 196 days
Number of rainy days: 119 days
Number of snow days: 50 days
Look at detailed online map of Fort Belknap Reservation
* Weather data for Fort Belknap Reservation 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) | 12.4 | 9.4 | 6.7 | 23.2 | 27.3 | 27.5 | 35.2 | 34.6 | 31.8 | 23.9 | 15.1 | 15.2 |
| Average daytime temperature (°C) | 1.9 | 1.4 | -1.0 | 10.1 | 21.2 | 22.6 | 27.7 | 28.6 | 23.2 | 11.4 | 7.9 | 7.1 |
| Average temperature (°C) | -1.7 | -3.1 | -5.2 | 4.2 | 15.3 | 17.7 | 21.6 | 21.9 | 17.1 | 6.8 | 3.6 | 2.9 |
| Average night temperature (°C) | -4.4 | -6.5 | -8.6 | 0.0 | 10.4 | 13.4 | 16.0 | 16.5 | 12.6 | 3.2 | 0.2 | -0.7 |
| Absolute minimum temperature (°C) | -21.8 | -27.6 | -14.3 | -13.3 | 4.3 | 6.2 | 9.4 | 9.5 | 7.3 | -13.2 | -8.3 | -5.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 6.1 | 7.2 | 7.3 | 8.5 | 12.2 | 12.1 | 13.8 | 11.4 | 10.0 | 6.5 | 6.7 | 6.1 |
| Precipitation (mm) | 16 | 26 | 34 | 56 | 70 | 115 | 19 | 23 | 45 | 41 | 21 | 12 |
| Sunny days | 16 | 17 | 15 | 11 | 14 | 5 | 16 | 23 | 19 | 16 | 21 | 23 |
| Rainy days | 5 | 4 | 3 | 10 | 17 | 25 | 15 | 8 | 11 | 12 | 5 | 4 |
| Snow days | 10 | 7 | 13 | 9 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 4 |
The best time to visit Fort Belknap Reservation during the most sunny months:
Months with the longest average daylight duration in Fort Belknap Reservation:
The largest precipitation sum in Fort Belknap Reservation is at