Average annual temperature is 13.1 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -11.2 °C
Number of sunny days: 177 days
Number of rainy days: 185 days
Number of snow days: 3 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) | 16.4 | 20.8 | 22.7 | 28.9 | 28.8 | 33.1 | 35.3 | 33.0 | 35.6 | 27.4 | 22.1 | 16.4 |
| Average daytime temperature (°C) | 8.4 | 10.3 | 11.4 | 20.4 | 21.9 | 26.6 | 30.9 | 29.2 | 25.3 | 19.5 | 11.9 | 9.0 |
| Average temperature (°C) | 4.4 | 4.9 | 5.5 | 13.7 | 15.4 | 20.0 | 24.6 | 23.4 | 19.7 | 14.1 | 6.5 | 4.7 |
| Average night temperature (°C) | 1.4 | 0.4 | 0.7 | 8.2 | 9.5 | 14.5 | 19.7 | 18.5 | 15.2 | 9.9 | 2.2 | 1.5 |
| Absolute minimum temperature (°C) | -3.8 | -11.2 | -6.4 | 1.2 | 2.9 | 10.4 | 17.1 | 14.5 | 9.8 | 3.4 | -6.8 | -4.4 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 6.8 | 7.4 | 9.3 | 10.8 | 10.3 | 11.4 | 10.7 | 8.4 | 8.5 | 7.5 | 4.9 |
| Precipitation (mm) | 88 | 45 | 73 | 138 | 38 | 124 | 127 | 61 | 188 | 44 | 59 | 131 |
| Sunny days | 12 | 16 | 15 | 16 | 16 | 11 | 6 | 13 | 14 | 18 | 23 | 17 |
| Rainy days | 19 | 10 | 16 | 14 | 15 | 19 | 25 | 18 | 16 | 13 | 7 | 13 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sun Valley during the most sunny months:
The largest precipitation sum in Sun Valley is at