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Weather & Climate
Dorchester County, South Carolina, United States
Overview
Climate data and monthly weather averages for Dorchester County.
Key Metrics
Annual Avg
18.8°C
Summer Avg
27.4°C
Winter Avg
9.6°C
Record High
41.6°C
Record Low
-9.2°C
Annual Precipitation
1179 mm
Avg Humidity
76%
Summer Humidity
74%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 26.7° | 8.2° | -9.2° | 66 | 79% | 89 | 40.1 |
| Feb | 27.3° | 10.2° | -6.5° | 84.3 | 80% | 98 | 36.4 |
| Mar | 30° | 14.1° | -5.3° | 84.9 | 77% | 141 | 39.8 |
| Apr | 35.4° | 18.7° | 0.4° | 78 | 73% | 175 | 39.1 |
| May | 39.4° | 23.3° | 7.9° | 93.6 | 71% | 193 | 28.3 |
| Jun | 41.6° | 26.7° | 14.4° | 136.5 | 73% | 192 | 38.6 |
| Jul | 39.7° | 28° | 16.7° | 139.5 | 73% | 193 | 23.5 |
| Aug | 41° | 27.4° | 15.8° | 149.7 | 77% | 173 | 27 |
| Sep | 37.2° | 24.7° | 10.2° | 101.7 | 77% | 145 | 48.3 |
| Oct | 37.3° | 19.7° | 0.5° | 87.4 | 76% | 124 | 44.2 |
| Nov | 30.4° | 13.8° | -6.2° | 66.3 | 76% | 94 | 32.2 |
| Dec | 26.8° | 10.3° | -8.8° | 91.1 | 80% | 79 | 37.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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