Average annual temperature is 8.1 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -33.7 °C
Number of sunny days: 230 days
Number of rainy days: 103 days
Number of snow days: 32 days
Look at detailed online map of Standing Rock Reservation
* Weather data for Standing Rock 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) | 3.4 | 15.2 | 4.9 | 27.9 | 30.6 | 34.7 | 38.0 | 34.2 | 35.5 | 29.8 | 13.7 | 14.3 |
| Average daytime temperature (°C) | -2.3 | 1.6 | -2.3 | 10.9 | 23.8 | 28.1 | 29.5 | 29.0 | 24.6 | 14.2 | 7.7 | 4.5 |
| Average temperature (°C) | -7.2 | -5.4 | -7.4 | 3.8 | 16.9 | 22.2 | 22.7 | 22.5 | 18.4 | 8.6 | 1.9 | -0.6 |
| Average night temperature (°C) | -11.0 | -10.7 | -11.8 | -2.0 | 10.6 | 16.2 | 16.5 | 17.1 | 13.2 | 4.2 | -2.3 | -4.2 |
| Absolute minimum temperature (°C) | -26.7 | -33.7 | -24.4 | -16.2 | -1.2 | 10.1 | 9.7 | 13.0 | 8.5 | -11.4 | -11.9 | -10.5 |
| 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) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| 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) | 3.7 | 7.7 | 7.1 | 9.5 | 11.4 | 12.2 | 13.3 | 11.0 | 10.1 | 7.8 | 7.8 | 5.5 |
| Precipitation (mm) | 8 | 18 | 42 | 27 | 123 | 155 | 57 | 121 | 86 | 18 | 3 | 31 |
| Sunny days | 24 | 20 | 15 | 18 | 14 | 13 | 18 | 21 | 20 | 19 | 25 | 23 |
| Rainy days | 3 | 4 | 1 | 8 | 17 | 17 | 13 | 10 | 10 | 11 | 4 | 5 |
| Snow days | 4 | 4 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
The best time to visit Standing Rock Reservation during the most sunny months:
Months with the longest average daylight duration in Standing Rock Reservation:
The largest precipitation sum in Standing Rock Reservation is at