Average annual temperature is 13.9 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 278 days
Number of rainy days: 65 days
Number of snow days: 22 days
Look at detailed online map of Castle Valley
* Weather data for Castle Valley 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) | 11.0 | 11.1 | 14.5 | 28.0 | 30.4 | 34.8 | 40.8 | 37.0 | 33.9 | 29.0 | 23.0 | 11.3 |
| Average daytime temperature (°C) | 3.9 | 4.7 | 9.0 | 19.5 | 27.0 | 30.3 | 37.4 | 34.1 | 29.2 | 21.3 | 11.7 | 5.4 |
| Average temperature (°C) | 0.4 | -0.2 | 4.2 | 11.7 | 21.0 | 24.3 | 31.1 | 28.0 | 23.2 | 14.7 | 6.1 | 0.9 |
| Average night temperature (°C) | -2.7 | -4.2 | 0.0 | 5.0 | 14.6 | 17.3 | 23.2 | 21.5 | 16.4 | 7.5 | 0.1 | -3.3 |
| Absolute minimum temperature (°C) | -9.1 | -13.4 | -6.6 | -4.3 | 7.5 | 12.2 | 17.6 | 18.1 | 10.6 | -4.3 | -8.4 | -9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.5 | 8.4 | 8.9 | 11.0 | 12.7 | 13.3 | 13.3 | 12.3 | 11.3 | 10.1 | 8.5 | 7.6 |
| Precipitation (mm) | 47 | 24 | 62 | 11 | 0 | 2 | 0 | 6 | 0 | 12 | 27 | 22 |
| Sunny days | 14 | 17 | 14 | 23 | 28 | 27 | 30 | 24 | 28 | 25 | 24 | 24 |
| Rainy days | 10 | 3 | 13 | 6 | 3 | 3 | 1 | 7 | 2 | 6 | 6 | 5 |
| Snow days | 7 | 8 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Castle Valley during the most sunny months:
The largest precipitation sum in Castle Valley is at