Average annual temperature is 17.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 171 days
Number of rainy days: 194 days
Look at detailed online map of Sun Valley
* Weather data for Sun 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) | 21.0 | 24.9 | 24.9 | 28.2 | 31.1 | 34.2 | 35.8 | 36.3 | 32.5 | 28.9 | 25.4 | 21.5 |
| Average daytime temperature (°C) | 14.6 | 17.5 | 19.0 | 21.9 | 25.9 | 30.3 | 31.9 | 32.5 | 29.8 | 23.6 | 17.9 | 14.2 |
| Average temperature (°C) | 9.8 | 12.0 | 13.2 | 16.1 | 20.0 | 24.2 | 25.9 | 26.5 | 23.7 | 18.2 | 12.3 | 8.8 |
| Average night temperature (°C) | 6.2 | 8.0 | 8.3 | 11.2 | 15.3 | 19.1 | 21.6 | 21.9 | 18.8 | 13.5 | 8.0 | 4.8 |
| Absolute minimum temperature (°C) | -3.0 | -3.8 | -4.7 | 5.6 | 7.5 | 16.5 | 19.4 | 18.1 | 14.9 | 6.8 | -0.8 | -2.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 6.9 | 8.7 | 9.4 | 10.5 | 11.8 | 10.8 | 10.4 | 10.9 | 8.7 | 7.1 | 7.2 |
| Precipitation (mm) | 151 | 138 | 150 | 176 | 135 | 102 | 146 | 189 | 34 | 22 | 77 | 78 |
| Sunny days | 13 | 9 | 18 | 15 | 10 | 8 | 6 | 12 | 16 | 22 | 20 | 22 |
| Rainy days | 18 | 19 | 13 | 15 | 21 | 22 | 25 | 19 | 14 | 9 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sun Valley during the most sunny months:
The largest precipitation sum in Sun Valley is at