Average annual temperature is 8.6 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -29.2 °C
Number of sunny days: 215 days
Number of rainy days: 113 days
Number of snow days: 37 days
Look at detailed online map of Rocky Boys West
* Weather data for Rocky Boys West 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) | 5.6 | 8.2 | 10.5 | 23.3 | 29.5 | 31.0 | 36.7 | 37.7 | 31.7 | 25.0 | 14.1 | 15.8 |
| Average daytime temperature (°C) | 0.2 | 1.6 | 1.1 | 12.1 | 23.0 | 24.1 | 30.4 | 30.3 | 24.2 | 12.9 | 7.8 | 6.1 |
| Average temperature (°C) | -3.9 | -3.6 | -4.4 | 5.6 | 16.3 | 18.3 | 22.9 | 22.4 | 17.4 | 7.1 | 2.7 | 1.7 |
| Average night temperature (°C) | -7.6 | -7.6 | -9.0 | 0.7 | 10.4 | 13.2 | 15.7 | 15.9 | 11.6 | 2.7 | -1.1 | -1.6 |
| Absolute minimum temperature (°C) | -22.3 | -29.2 | -18.5 | -11.8 | 5.6 | 6.4 | 11.0 | 10.0 | 5.8 | -13.3 | -7.7 | -6.8 |
| 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 | 16.0 | 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 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.2 | 6.9 | 8.1 | 9.4 | 12.2 | 12.1 | 14.0 | 11.6 | 10.1 | 6.9 | 6.4 | 6.1 |
| Precipitation (mm) | 33 | 24 | 26 | 41 | 84 | 112 | 4 | 22 | 57 | 37 | 29 | 21 |
| Sunny days | 15 | 17 | 19 | 16 | 13 | 11 | 25 | 21 | 21 | 17 | 19 | 21 |
| Rainy days | 8 | 3 | 1 | 11 | 18 | 19 | 6 | 10 | 9 | 12 | 10 | 6 |
| Snow days | 8 | 8 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 |
The best time to visit Rocky Boys West during the most sunny months:
Months with the longest average daylight duration in Rocky Boys West:
The largest precipitation sum in Rocky Boys West is at