Average annual temperature is 13.6 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 271 days
Number of rainy days: 89 days
Number of snow days: 5 days
Look at detailed online map of Star Valley
* Weather data for Star 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) | 16.2 | 15.7 | 16.1 | 28.6 | 27.3 | 33.5 | 40.3 | 35.3 | 33.6 | 29.1 | 24.4 | 19.7 |
| Average daytime temperature (°C) | 7.9 | 10.2 | 11.6 | 20.8 | 24.3 | 28.2 | 35.6 | 31.8 | 27.7 | 23.4 | 16.6 | 13.3 |
| Average temperature (°C) | 2.3 | 2.9 | 5.0 | 12.3 | 16.7 | 20.3 | 27.3 | 24.1 | 20.2 | 15.6 | 9.7 | 5.9 |
| Average night temperature (°C) | -1.8 | -2.3 | 0.1 | 5.0 | 9.4 | 11.9 | 18.5 | 17.5 | 13.5 | 9.2 | 4.4 | 1.2 |
| Absolute minimum temperature (°C) | -8.3 | -12.9 | -10.7 | -6.2 | 2.4 | 7.2 | 13.1 | 12.9 | 9.8 | 2.1 | -0.6 | -3.7 |
| 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) | 6.9 | 8.6 | 8.3 | 12.0 | 12.6 | 13.2 | 12.8 | 11.8 | 10.7 | 10.4 | 8.8 | 8.0 |
| Precipitation (mm) | 180 | 106 | 198 | 0 | 16 | 0 | 2 | 54 | 15 | 0 | 29 | 30 |
| Sunny days | 17 | 15 | 16 | 28 | 25 | 29 | 27 | 15 | 24 | 28 | 23 | 24 |
| Rainy days | 11 | 11 | 15 | 2 | 6 | 1 | 4 | 16 | 6 | 3 | 7 | 7 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Star Valley during the most sunny months:
The largest precipitation sum in Star Valley is at