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Weather & Climate
Okanogan County, Washington, United States
Overview
Climate data and monthly weather averages for Okanogan County.
Key Metrics
Annual Avg
4.2°C
Summer Avg
15.4°C
Winter Avg
-6.4°C
Record High
33.6°C
Record Low
-29.8°C
Annual Precipitation
612.5 mm
Avg Humidity
77%
Summer Humidity
60%
Winter Humidity
94%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.5° | -6.5° | -29.8° | 79.7 | 95% | 35 | 25 |
| Feb | 9.2° | -5.6° | -28.1° | 50.7 | 93% | 61 | 23.5 |
| Mar | 14.8° | -2.2° | -24.3° | 64.5 | 89% | 103 | 23.5 |
| Apr | 22.7° | 2.5° | -14.4° | 39.9 | 75% | 144 | 28.5 |
| May | 27.6° | 8.9° | -6.2° | 49.3 | 67% | 184 | 30.3 |
| Jun | 33.6° | 12.6° | -1.9° | 36.9 | 65% | 193 | 21.1 |
| Jul | 33.1° | 17° | 0.9° | 16.1 | 59% | 224 | 24.8 |
| Aug | 33° | 16.7° | 2.1° | 15.8 | 57% | 187 | 23.4 |
| Sep | 30.4° | 11.8° | -4.5° | 25.2 | 62% | 132 | 23.4 |
| Oct | 24.8° | 4.6° | -13.9° | 57.7 | 74% | 81 | 28 |
| Nov | 12.2° | -2.2° | -26.3° | 83.4 | 87% | 39 | 25.5 |
| Dec | 5.8° | -7.1° | -26.5° | 93.3 | 95% | 27 | 30.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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