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Weather & Climate
Dewey, Oklahoma, United States
Overview
Climate data and monthly weather averages for Dewey.
Key Metrics
Annual Avg
14.4°C
Summer Avg
26.2°C
Winter Avg
2°C
Record High
45.9°C
Record Low
-22.4°C
Annual Precipitation
1107.4 mm
Avg Humidity
74%
Summer Humidity
71%
Winter Humidity
78%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 23.9° | 0.7° | -22.4° | 44.6 | 78% | 78 | 57.3 |
| Feb | 25.3° | 2.8° | -19.4° | 48.4 | 76% | 88 | 53.3 |
| Mar | 29.7° | 9.1° | -15.2° | 83.4 | 74% | 129 | 56.7 |
| Apr | 34° | 14.6° | -5.7° | 117.9 | 73% | 156 | 59.2 |
| May | 34.8° | 19.5° | 0.7° | 173.9 | 78% | 179 | 49.5 |
| Jun | 39.9° | 24.5° | 8.9° | 128.4 | 77% | 201 | 48.7 |
| Jul | 43.9° | 27.3° | 12.5° | 99.5 | 69% | 206 | 35.5 |
| Aug | 45.9° | 26.9° | 10.4° | 107 | 67% | 184 | 41 |
| Sep | 41° | 22.2° | 5.7° | 94.5 | 69% | 149 | 51.4 |
| Oct | 33.7° | 14.9° | -7.2° | 100.4 | 71% | 115 | 53 |
| Nov | 28.6° | 8.4° | -9° | 57.9 | 74% | 82 | 54.8 |
| Dec | 23.4° | 2.4° | -16.1° | 51.5 | 79% | 68 | 57.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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