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Weather & Climate
De Graff, Ohio, United States
Overview
Climate data and monthly weather averages for De Graff.
Key Metrics
Annual Avg
10.4°C
Summer Avg
22.2°C
Winter Avg
-2°C
Record High
38.3°C
Record Low
-25.5°C
Annual Precipitation
971.3 mm
Avg Humidity
78%
Summer Humidity
74%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17.3° | -3.3° | -25.5° | 61.7 | 86% | 52 | 64.4 |
| Feb | 21.8° | -2° | -22.2° | 57.1 | 84% | 72 | 64.8 |
| Mar | 26.4° | 3.4° | -16.4° | 77.8 | 80% | 109 | 66.1 |
| Apr | 27.4° | 10.1° | -7.3° | 91.5 | 77% | 143 | 61.8 |
| May | 31.5° | 16.1° | -3.9° | 108.2 | 78% | 172 | 53.2 |
| Jun | 37° | 20.9° | 3.9° | 102.9 | 77% | 185 | 47 |
| Jul | 38.3° | 23.1° | 8.8° | 92.7 | 75% | 192 | 40.9 |
| Aug | 35.9° | 22.6° | 8.4° | 83.1 | 71% | 172 | 38.1 |
| Sep | 35.1° | 18.8° | 3.5° | 80.1 | 71% | 134 | 62.1 |
| Oct | 32° | 11.6° | -3° | 75.3 | 74% | 93 | 54.3 |
| Nov | 25.3° | 4.9° | -12.1° | 71.1 | 79% | 62 | 63.9 |
| Dec | 20.5° | -0.7° | -24.3° | 69.8 | 86% | 44 | 64.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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