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Weather & Climate
Saint Stephen, South Carolina, United States
Overview
Climate data and monthly weather averages for Saint Stephen.
Key Metrics
Annual Avg
18.2°C
Summer Avg
27.2°C
Winter Avg
8.8°C
Record High
40.6°C
Record Low
-10.9°C
Annual Precipitation
1213.1 mm
Avg Humidity
77%
Summer Humidity
75%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 26.7° | 7.4° | -10.9° | 64.5 | 80% | 86 | 40.1 |
| Feb | 26.9° | 9.4° | -7.1° | 87.1 | 80% | 96 | 39.6 |
| Mar | 29.3° | 13.3° | -5.3° | 84.9 | 79% | 141 | 42.9 |
| Apr | 34.8° | 18.1° | -0.4° | 81.9 | 75% | 175 | 44.1 |
| May | 39° | 22.8° | 6.9° | 98.6 | 73% | 194 | 32.8 |
| Jun | 40° | 26.5° | 13.4° | 130.8 | 74% | 191 | 39.4 |
| Jul | 40.3° | 27.9° | 16.6° | 142.6 | 74% | 193 | 27.4 |
| Aug | 40.6° | 27.2° | 14.4° | 148.2 | 78% | 171 | 35.7 |
| Sep | 36.5° | 24.4° | 10° | 111.3 | 78% | 143 | 53.2 |
| Oct | 37.5° | 19.1° | 0.4° | 96.7 | 77% | 123 | 57.8 |
| Nov | 28.6° | 13.1° | -5.7° | 72 | 77% | 93 | 37.7 |
| Dec | 26.5° | 9.6° | -10.8° | 94.5 | 81% | 78 | 39.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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