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Weather & Climate
Fairfield County, South Carolina, United States
Overview
Climate data and monthly weather averages for Fairfield County.
Key Metrics
Annual Avg
16.7°C
Summer Avg
26.8°C
Winter Avg
6.5°C
Record High
43.4°C
Record Low
-13°C
Annual Precipitation
1121.5 mm
Avg Humidity
75%
Summer Humidity
70%
Winter Humidity
81%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.6° | 5.2° | -13° | 80 | 81% | 85 | 28.5 |
| Feb | 26.3° | 7.2° | -11.1° | 84.8 | 81% | 94 | 26 |
| Mar | 29.8° | 11.4° | -10.7° | 95.2 | 79% | 137 | 26.6 |
| Apr | 34° | 16.6° | -4.5° | 79.8 | 76% | 169 | 25.5 |
| May | 37.3° | 21.5° | 4.2° | 96.4 | 73% | 189 | 21.1 |
| Jun | 43.4° | 25.9° | 10.1° | 105.9 | 70% | 193 | 20.2 |
| Jul | 42.4° | 27.6° | 14.7° | 107.9 | 69% | 189 | 18.2 |
| Aug | 42.3° | 26.9° | 12.4° | 108.2 | 71% | 171 | 17.9 |
| Sep | 39° | 23.4° | 7° | 93.3 | 72% | 144 | 31.3 |
| Oct | 38.8° | 17.3° | -1.3° | 79 | 74% | 121 | 29.7 |
| Nov | 29.9° | 11° | -6.5° | 81.6 | 74% | 91 | 21.3 |
| Dec | 26.5° | 7.2° | -8.2° | 109.4 | 81% | 74 | 23 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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