Average annual temperature is 10.0 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -29.5 °C
Number of sunny days: 224 days
Number of rainy days: 109 days
Number of snow days: 32 days
Look at detailed online map of Township of Castle Butte
* Weather data for Township of Castle Butte 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) | 14.1 | 14.4 | 19.4 | 27.7 | 29.4 | 35.0 | 37.6 | 38.7 | 38.0 | 30.9 | 20.8 | 15.8 |
| Average daytime temperature (°C) | 2.1 | 5.0 | 6.3 | 12.7 | 23.7 | 27.1 | 30.4 | 30.3 | 26.3 | 16.1 | 10.8 | 6.0 |
| Average temperature (°C) | -2.5 | -2.1 | -0.9 | 5.7 | 17.1 | 21.0 | 23.4 | 23.6 | 19.4 | 9.6 | 4.2 | 0.5 |
| Average night temperature (°C) | -5.8 | -7.0 | -5.3 | 0.3 | 10.9 | 15.4 | 17.0 | 17.9 | 13.7 | 4.9 | -0.4 | -3.0 |
| Absolute minimum temperature (°C) | -19.2 | -29.5 | -11.9 | -12.1 | 0.8 | 9.6 | 12.2 | 12.7 | 9.3 | -10.0 | -8.0 | -9.7 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.1 | 8.0 | 7.9 | 9.8 | 11.4 | 11.9 | 13.1 | 11.3 | 10.5 | 7.8 | 7.6 | 5.9 |
| Precipitation (mm) | 29 | 27 | 39 | 36 | 99 | 183 | 29 | 66 | 44 | 90 | 3 | 28 |
| Sunny days | 19 | 18 | 15 | 20 | 16 | 10 | 17 | 18 | 20 | 21 | 25 | 25 |
| Rainy days | 3 | 8 | 3 | 7 | 15 | 20 | 14 | 13 | 10 | 8 | 3 | 5 |
| Snow days | 9 | 2 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 |
The best time to visit Township of Castle Butte during the most sunny months:
Months with the longest average daylight duration in Township of Castle Butte:
The largest precipitation sum in Township of Castle Butte is at