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Weather & Climate
McClain County, Oklahoma, United States
Overview
Climate data and monthly weather averages for McClain County.
Key Metrics
Annual Avg
16.3°C
Summer Avg
27.9°C
Winter Avg
4.3°C
Record High
46.3°C
Record Low
-15.5°C
Annual Precipitation
897.6 mm
Avg Humidity
67%
Summer Humidity
62%
Winter Humidity
71%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.7° | 3.3° | -15.5° | 35 | 70% | 87 | 59.4 |
| Feb | 28.8° | 5.3° | -13.9° | 42.8 | 71% | 96 | 54.7 |
| Mar | 32.6° | 11.3° | -11.9° | 63.5 | 68% | 139 | 57.9 |
| Apr | 37.1° | 16.4° | -3.5° | 89.7 | 67% | 166 | 56.8 |
| May | 39.3° | 21.2° | 1.3° | 133.3 | 70% | 185 | 49.3 |
| Jun | 43° | 26.2° | 12.3° | 113.4 | 68% | 208 | 52.3 |
| Jul | 44.6° | 28.9° | 14.9° | 78.4 | 60% | 214 | 36.9 |
| Aug | 46.3° | 28.5° | 13.8° | 88 | 59% | 193 | 37.1 |
| Sep | 41° | 23.8° | 7° | 83.1 | 63% | 154 | 58.3 |
| Oct | 34.3° | 16.7° | -5.8° | 85.6 | 65% | 123 | 53.2 |
| Nov | 29° | 10.2° | -8.3° | 42 | 68% | 90 | 54.4 |
| Dec | 25.6° | 4.3° | -12.6° | 42.8 | 72% | 75 | 58.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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