Average annual temperature is 5.6 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -29.2 °C
Number of sunny days: 197 days
Number of rainy days: 118 days
Number of snow days: 50 days
Look at detailed online map of Spirit Lake Reservation
* Weather data for Spirit Lake 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) | 0.8 | 2.5 | 0.1 | 10.9 | 27.7 | 33.6 | 32.0 | 32.3 | 31.2 | 28.3 | 10.3 | 9.2 |
| Average daytime temperature (°C) | -7.8 | -5.3 | -6.0 | 3.1 | 21.9 | 26.5 | 25.0 | 25.1 | 22.3 | 11.3 | 3.7 | 1.2 |
| Average temperature (°C) | -10.8 | -10.5 | -9.8 | -0.7 | 15.3 | 21.2 | 19.6 | 20.2 | 17.2 | 7.0 | -0.4 | -2.6 |
| Average night temperature (°C) | -13.3 | -14.8 | -13.1 | -4.2 | 9.4 | 16.5 | 15.1 | 16.4 | 13.2 | 3.6 | -3.5 | -5.5 |
| Absolute minimum temperature (°C) | -26.9 | -29.2 | -18.9 | -13.9 | -1.5 | 11.4 | 10.1 | 11.8 | 8.1 | -10.0 | -12.2 | -13.1 |
| 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 | 14.0 | 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 | 8.5 |
| 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) | 2.9 | 7.1 | 7.9 | 8.1 | 11.9 | 12.2 | 13.1 | 9.9 | 9.2 | 7.0 | 6.0 | 5.3 |
| Precipitation (mm) | 9 | 8 | 36 | 75 | 59 | 97 | 50 | 48 | 70 | 61 | 12 | 22 |
| Sunny days | 22 | 15 | 15 | 14 | 19 | 10 | 12 | 13 | 18 | 15 | 20 | 24 |
| Rainy days | 3 | 1 | 2 | 8 | 12 | 20 | 19 | 18 | 12 | 13 | 5 | 5 |
| Snow days | 6 | 12 | 14 | 8 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 2 |
The best time to visit Spirit Lake Reservation during the most sunny months:
Months with the longest average daylight duration in Spirit Lake Reservation:
The largest precipitation sum in Spirit Lake Reservation is at