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Weather & Climate
Marietta, Oklahoma, United States
Overview
Climate data and monthly weather averages for Marietta.
Key Metrics
Annual Avg
17.4°C
Summer Avg
28.4°C
Winter Avg
5.9°C
Record High
46°C
Record Low
-14.9°C
Annual Precipitation
978.7 mm
Avg Humidity
70%
Summer Humidity
64%
Winter Humidity
74%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 25.8° | 4.8° | -14.9° | 50.5 | 74% | 91 | 59.6 |
| Feb | 29.7° | 7° | -12.4° | 60.8 | 75% | 98 | 56 |
| Mar | 32.9° | 12.4° | -9.9° | 80.3 | 73% | 142 | 57.5 |
| Apr | 36.2° | 17.2° | -2° | 92.4 | 72% | 168 | 54 |
| May | 38.6° | 21.9° | 1.9° | 138.9 | 74% | 186 | 50.5 |
| Jun | 41.5° | 26.6° | 13.3° | 106.8 | 70% | 206 | 50.9 |
| Jul | 45.2° | 29.3° | 16.4° | 69.4 | 62% | 213 | 34.8 |
| Aug | 46° | 29.3° | 15.5° | 73.8 | 60% | 194 | 33.1 |
| Sep | 42.1° | 24.8° | 8.2° | 87.3 | 64% | 156 | 54.1 |
| Oct | 35.7° | 18.1° | -4.2° | 100.4 | 66% | 127 | 45.9 |
| Nov | 30.7° | 11.7° | -7.4° | 57 | 71% | 95 | 53.4 |
| Dec | 26.5° | 6° | -12.9° | 61.1 | 74% | 81 | 56.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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