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Weather & Climate
Hailey, Idaho, United States
Overview
Climate data and monthly weather averages for Hailey.
Key Metrics
Annual Avg
5.1°C
Summer Avg
17.9°C
Winter Avg
-7.1°C
Record High
36.4°C
Record Low
-33.7°C
Annual Precipitation
475 mm
Avg Humidity
62%
Summer Humidity
42%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.1° | -7.4° | -29.7° | 54.9 | 83% | 61 | 40.7 |
| Feb | 10° | -6.3° | -26.8° | 43.7 | 83% | 81 | 46.6 |
| Mar | 17.3° | -1.4° | -22° | 54.9 | 75% | 126 | 46 |
| Apr | 23.9° | 3.1° | -11.5° | 43.2 | 65% | 163 | 41.2 |
| May | 30° | 8.9° | -7° | 44.6 | 58% | 200 | 45.3 |
| Jun | 34.6° | 14.2° | -3.3° | 28.5 | 50% | 225 | 35.9 |
| Jul | 36.4° | 20.4° | 1.6° | 12.7 | 39% | 238 | 36.5 |
| Aug | 35.3° | 19.1° | 0.4° | 14.9 | 36% | 205 | 37.7 |
| Sep | 32.7° | 13.6° | -4.5° | 23.4 | 41% | 154 | 46.3 |
| Oct | 27.7° | 5.6° | -14.3° | 36.9 | 55% | 109 | 44.1 |
| Nov | 18° | -1.5° | -33.7° | 44.1 | 70% | 64 | 39.5 |
| Dec | 7° | -7.5° | -27.7° | 73.2 | 84% | 48 | 37.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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