Average annual temperature is 16.5 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 167 days
Number of rainy days: 198 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) | 19.8 | 24.2 | 24.6 | 26.9 | 30.6 | 32.5 | 34.0 | 35.2 | 33.2 | 27.6 | 25.2 | 20.3 |
| Average daytime temperature (°C) | 13.8 | 16.9 | 17.6 | 21.2 | 24.7 | 28.7 | 31.5 | 31.1 | 27.7 | 22.2 | 16.9 | 13.2 |
| Average temperature (°C) | 8.6 | 11.3 | 11.8 | 15.2 | 19.1 | 22.7 | 25.6 | 25.3 | 22.0 | 16.8 | 11.3 | 7.9 |
| Average night temperature (°C) | 4.5 | 7.1 | 6.7 | 10.1 | 14.4 | 17.6 | 20.7 | 20.8 | 17.0 | 12.1 | 7.0 | 3.6 |
| Absolute minimum temperature (°C) | -3.8 | -4.0 | -5.1 | 2.9 | 5.4 | 14.2 | 18.3 | 16.7 | 11.8 | 5.4 | -2.7 | -3.3 |
| 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 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| 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) | 5.6 | 6.2 | 8.3 | 9.2 | 10.1 | 11.1 | 11.7 | 10.5 | 10.2 | 8.9 | 6.7 | 6.4 |
| Precipitation (mm) | 121 | 131 | 145 | 145 | 128 | 97 | 104 | 201 | 73 | 58 | 60 | 105 |
| Sunny days | 11 | 9 | 17 | 13 | 10 | 14 | 6 | 10 | 18 | 21 | 18 | 20 |
| Rainy days | 20 | 19 | 14 | 17 | 21 | 16 | 25 | 21 | 12 | 10 | 12 | 11 |
| 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