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Weather & Climate
Challis, Idaho, United States
Overview
Climate data and monthly weather averages for Challis.
Key Metrics
Annual Avg
2.5°C
Summer Avg
15.2°C
Winter Avg
-9.3°C
Record High
35.1°C
Record Low
-33.2°C
Annual Precipitation
499.1 mm
Avg Humidity
69%
Summer Humidity
48%
Winter Humidity
91%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 2.5° | -9.6° | -33.2° | 49.3 | 92% | 58 | 31.4 |
| Feb | 7.5° | -8.9° | -30.1° | 43.1 | 92% | 81 | 33.8 |
| Mar | 15.3° | -4.3° | -24.7° | 53.6 | 84% | 127 | 32 |
| Apr | 21.6° | 0.5° | -20.6° | 46.2 | 72% | 160 | 34.6 |
| May | 27.5° | 6.3° | -9.7° | 50.8 | 65% | 189 | 34.1 |
| Jun | 31.7° | 11.5° | -5.7° | 42.6 | 58% | 209 | 27.7 |
| Jul | 35.1° | 17.6° | -0.5° | 18.6 | 45% | 229 | 29.7 |
| Aug | 33° | 16.4° | -0.7° | 18.9 | 42% | 195 | 28.5 |
| Sep | 31.1° | 10.9° | -6.5° | 29.4 | 48% | 146 | 28.5 |
| Oct | 26.3° | 3° | -19.2° | 37.2 | 62% | 99 | 31.2 |
| Nov | 17° | -3.7° | -30.5° | 45.9 | 77% | 58 | 30.3 |
| Dec | 6.7° | -9.4° | -31.4° | 63.5 | 90% | 45 | 32.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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