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Weather & Climate
Oroville, Washington, United States
Overview
Climate data and monthly weather averages for Oroville.
Key Metrics
Annual Avg
5.6°C
Summer Avg
17.5°C
Winter Avg
-6°C
Record High
36.8°C
Record Low
-35.2°C
Annual Precipitation
397.7 mm
Avg Humidity
71%
Summer Humidity
54%
Winter Humidity
92%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.8° | -6.6° | -35.2° | 37.8 | 95% | 35 | 20.8 |
| Feb | 11.2° | -4.8° | -27.2° | 26 | 88% | 61 | 20.8 |
| Mar | 17.3° | 0.1° | -21.5° | 36 | 77% | 103 | 24.3 |
| Apr | 25.5° | 4.8° | -10.6° | 31.5 | 65% | 144 | 24.7 |
| May | 30.7° | 10.8° | -5.1° | 45.6 | 61% | 184 | 24.3 |
| Jun | 36.8° | 14.6° | -1.1° | 45.9 | 59% | 193 | 20.6 |
| Jul | 36.7° | 19.2° | 2.5° | 19.8 | 52% | 224 | 21.3 |
| Aug | 36.6° | 18.6° | 2.8° | 15.2 | 51% | 187 | 24 |
| Sep | 32.1° | 13.1° | -4.8° | 21 | 58% | 132 | 20.7 |
| Oct | 26.3° | 5.4° | -11.6° | 31.9 | 71% | 81 | 24.7 |
| Nov | 13.1° | -1.4° | -26.3° | 40.2 | 85% | 39 | 30.3 |
| Dec | 5.4° | -6.7° | -29.4° | 46.8 | 93% | 27 | 24.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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