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Weather & Climate
Union County, Mississippi, United States
Overview
Climate data and monthly weather averages for Union County.
Key Metrics
Annual Avg
16.4°C
Summer Avg
26.8°C
Winter Avg
5.5°C
Record High
43.1°C
Record Low
-14.8°C
Annual Precipitation
1465.7 mm
Avg Humidity
77%
Summer Humidity
72%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 22.7° | 4.1° | -14.8° | 120 | 85% | 78 | 43.8 |
| Feb | 24.1° | 6.3° | -11.3° | 142 | 85% | 85 | 48.3 |
| Mar | 28.1° | 11.3° | -8.5° | 128.3 | 82% | 129 | 45.3 |
| Apr | 30.6° | 16.2° | -4° | 136.2 | 80% | 160 | 41.3 |
| May | 35.9° | 20.9° | 3.9° | 135.5 | 79% | 186 | 36.1 |
| Jun | 42.9° | 25.4° | 11.2° | 110.4 | 75% | 196 | 34.5 |
| Jul | 41.1° | 27.5° | 13.9° | 116.3 | 71% | 193 | 31.1 |
| Aug | 43.1° | 27.4° | 11.8° | 105.7 | 69% | 178 | 52.1 |
| Sep | 38.8° | 23.8° | 5.3° | 103.8 | 69% | 150 | 35.2 |
| Oct | 39.3° | 17.2° | -2.2° | 112.5 | 72% | 120 | 38.8 |
| Nov | 31.5° | 10.4° | -8° | 106.8 | 77% | 87 | 49.5 |
| Dec | 24.5° | 6° | -12.3° | 148.2 | 84% | 68 | 40.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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