Average annual temperature is 5.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -22.9 °C
Number of sunny days: 183 days
Number of rainy days: 106 days
Number of snow days: 76 days
Look at detailed online map of Hailey
* Weather data for Hailey 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) | 4.2 | 5.4 | 3.3 | 18.6 | 24.2 | 25.7 | 33.9 | 32.9 | 25.2 | 20.9 | 11.5 | 7.2 |
| Average daytime temperature (°C) | -2.2 | -1.1 | -0.6 | 6.1 | 16.2 | 19.4 | 29.3 | 26.5 | 20.7 | 13.9 | 6.2 | 2.4 |
| Average temperature (°C) | -7.2 | -6.7 | -4.8 | 0.9 | 9.0 | 12.9 | 20.4 | 18.5 | 13.0 | 7.0 | 0.3 | -4.0 |
| Average night temperature (°C) | -11.1 | -11.2 | -8.8 | -3.8 | 2.6 | 6.0 | 10.9 | 10.9 | 6.0 | 1.3 | -4.0 | -8.5 |
| Absolute minimum temperature (°C) | -22.9 | -18.7 | -14.5 | -12.1 | -4.1 | 0.2 | 6.7 | 4.7 | 0.1 | -8.4 | -12.4 | -18.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 6.5 | 7.6 | 7.3 | 10.8 | 11.8 | 12.7 | 13.5 | 11.6 | 10.7 | 8.7 | 7.1 | 6.0 |
| Precipitation (mm) | 44 | 27 | 138 | 22 | 77 | 57 | 5 | 60 | 46 | 37 | 27 | 30 |
| Sunny days | 19 | 13 | 6 | 13 | 7 | 7 | 25 | 16 | 18 | 19 | 20 | 20 |
| Rainy days | 1 | 1 | 3 | 3 | 24 | 23 | 6 | 15 | 12 | 10 | 6 | 2 |
| Snow days | 11 | 14 | 22 | 14 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 9 |
The best time to visit Hailey during the most sunny months:
Months with the longest average daylight duration in Hailey:
The largest precipitation sum in Hailey is at