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Weather & Climate
Union, Ohio, United States
Overview
Climate data and monthly weather averages for Union.
Key Metrics
Annual Avg
10.9°C
Summer Avg
22.5°C
Winter Avg
-1.5°C
Record High
38.6°C
Record Low
-24.8°C
Annual Precipitation
1034.2 mm
Avg Humidity
79%
Summer Humidity
75%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18° | -2.8° | -24.8° | 69.4 | 86% | 56 | 61.7 |
| Feb | 22.1° | -1.5° | -22° | 61.9 | 85% | 73 | 62.5 |
| Mar | 27° | 4.1° | -15.2° | 89.3 | 81% | 112 | 62.7 |
| Apr | 27.4° | 10.8° | -6.2° | 99.3 | 78% | 148 | 63.4 |
| May | 30.9° | 16.6° | -3.8° | 111.6 | 79% | 171 | 50.3 |
| Jun | 37.1° | 21.2° | 4.4° | 111 | 78% | 186 | 50.5 |
| Jul | 38.6° | 23.3° | 9° | 97 | 76% | 188 | 38.4 |
| Aug | 36.1° | 22.9° | 8.7° | 81.5 | 72% | 171 | 37.8 |
| Sep | 36.1° | 19.2° | 2.9° | 77.4 | 70% | 137 | 63.3 |
| Oct | 33° | 12° | -2.7° | 81.5 | 74% | 100 | 53.4 |
| Nov | 25.5° | 5.2° | -12.6° | 76.5 | 79% | 67 | 60.1 |
| Dec | 20.8° | -0.3° | -23.2° | 77.8 | 86% | 48 | 62.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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