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Weather & Climate
Chewelah, Washington, United States
Overview
Climate data and monthly weather averages for Chewelah.
Key Metrics
Annual Avg
5.7°C
Summer Avg
18°C
Winter Avg
-6.4°C
Record High
39.3°C
Record Low
-34.2°C
Annual Precipitation
703.6 mm
Avg Humidity
75%
Summer Humidity
55%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 3° | -6.7° | -34.2° | 85.9 | 95% | 30 | 19 |
| Feb | 9.3° | -5.6° | -30.8° | 55.4 | 95% | 54 | 20.8 |
| Mar | 17.4° | -0.7° | -26.2° | 78.1 | 89% | 90 | 21.3 |
| Apr | 23.9° | 4.5° | -9.2° | 53.7 | 76% | 131 | 22 |
| May | 30.6° | 10.6° | -4.1° | 59.2 | 70% | 177 | 20.6 |
| Jun | 36.5° | 14.4° | -0.5° | 59.7 | 67% | 181 | 18.3 |
| Jul | 38.6° | 20° | 3.8° | 18.3 | 52% | 222 | 20 |
| Aug | 39.3° | 19.7° | 3.9° | 18.3 | 47% | 184 | 19 |
| Sep | 34.2° | 13.9° | -3.3° | 27.9 | 55% | 126 | 18.4 |
| Oct | 27.6° | 5.8° | -12.9° | 61.7 | 72% | 76 | 22 |
| Nov | 13.7° | -1.3° | -30.4° | 91.2 | 89% | 35 | 26.7 |
| Dec | 5° | -6.8° | -28.3° | 94.2 | 95% | 24 | 20.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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