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Weather & Climate
Simpson County, Mississippi, United States
Overview
Climate data and monthly weather averages for Simpson County.
Key Metrics
Annual Avg
18.1°C
Summer Avg
27°C
Winter Avg
8.6°C
Record High
41.4°C
Record Low
-10.6°C
Annual Precipitation
1504.8 mm
Avg Humidity
79%
Summer Humidity
76%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 25.1° | 7.3° | -10.6° | 129 | 84% | 87 | 22.3 |
| Feb | 27.6° | 9.7° | -6.3° | 146.7 | 84% | 95 | 24.1 |
| Mar | 29.7° | 13.8° | -7.3° | 140.1 | 82% | 139 | 23.4 |
| Apr | 31.8° | 18° | -0.1° | 130.8 | 80% | 168 | 21.5 |
| May | 38.2° | 22.4° | 4.1° | 113.5 | 78% | 190 | 20.6 |
| Jun | 40.7° | 26.4° | 12° | 124.8 | 75% | 188 | 18.8 |
| Jul | 40.5° | 27.5° | 15° | 141.7 | 76% | 184 | 23.3 |
| Aug | 41.4° | 27.1° | 11.9° | 133.9 | 76% | 175 | 40.7 |
| Sep | 39.1° | 24.7° | 6.5° | 100.8 | 75% | 153 | 25.2 |
| Oct | 38.4° | 19.1° | -0.3° | 98.6 | 73% | 132 | 25.1 |
| Nov | 31.1° | 12.8° | -7.8° | 101.7 | 78% | 99 | 24.7 |
| Dec | 27° | 8.9° | -7.1° | 143.2 | 84% | 78 | 24.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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