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Weather & Climate
Union County, Arkansas, United States
Overview
Climate data and monthly weather averages for Union County.
Key Metrics
Annual Avg
18.1°C
Summer Avg
28.2°C
Winter Avg
7.5°C
Record High
44.3°C
Record Low
-12.1°C
Annual Precipitation
1356 mm
Avg Humidity
76%
Summer Humidity
69%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.9° | 6.4° | -11.6° | 110 | 83% | 80 | 23.5 |
| Feb | 27.1° | 8.4° | -7.1° | 124 | 84% | 85 | 22.7 |
| Mar | 30.6° | 13.3° | -6.4° | 130.2 | 82% | 131 | 20.6 |
| Apr | 33.6° | 17.8° | -1.4° | 127.2 | 80% | 160 | 22.8 |
| May | 39.8° | 22.4° | 2.8° | 121.2 | 78% | 182 | 18.3 |
| Jun | 42.5° | 27.1° | 13.2° | 100.5 | 72% | 195 | 21.6 |
| Jul | 43.2° | 28.8° | 14.5° | 100.4 | 69% | 194 | 18.6 |
| Aug | 44.3° | 28.6° | 12.1° | 94.5 | 67% | 180 | 26.5 |
| Sep | 41.4° | 25.2° | 6.9° | 88.5 | 68% | 150 | 29.9 |
| Oct | 38.1° | 18.7° | -0.6° | 124.3 | 72% | 123 | 21.9 |
| Nov | 31.6° | 12.3° | -7.2° | 95.4 | 78% | 88 | 22 |
| Dec | 26.9° | 7.8° | -12.1° | 139.8 | 83% | 72 | 22.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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