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Weather & Climate
Defiance, Ohio, United States
Overview
Available climate summaries for Defiance. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
9.9°C
Summer Avg
22°C
Winter Avg
-2.8°C
Record High
39.6°C
Record Low
-27.2°C
Annual Precipitation
914.6 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 | 17.5° | -4.1° | -27.2° | 53.3 | 86% | 50 | 65.8 |
| Feb | 20.6° | -3° | -24.4° | 54.3 | 84% | 71 | 67.5 |
| Mar | 27.4° | 2.6° | -18.6° | 62.9 | 79% | 110 | 70 |
| Apr | 27.3° | 9.2° | -6.5° | 84.9 | 76% | 141 | 59.4 |
| May | 32.7° | 15.5° | -3.7° | 109.4 | 77% | 170 | 58.7 |
| Jun | 38.7° | 20.6° | 3.8° | 92.7 | 76% | 185 | 56.3 |
| Jul | 39.6° | 23° | 6.6° | 90.8 | 74% | 193 | 40.1 |
| Aug | 36.1° | 22.3° | 8.1° | 87.1 | 72% | 168 | 39.6 |
| Sep | 35.9° | 18.4° | 2.8° | 76.2 | 73% | 132 | 48.9 |
| Oct | 30.5° | 11.1° | -3.7° | 72.9 | 76% | 90 | 57.3 |
| Nov | 25.2° | 4.3° | -11.9° | 69 | 81% | 57 | 60.8 |
| Dec | 19.2° | -1.3° | -24.2° | 61.1 | 86% | 42 | 65.6 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-23.
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