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Weather & Climate
Hilton Head, South Carolina, United States
Overview
Climate data and monthly weather averages for Hilton Head.
Key Metrics
Annual Avg
20.7°C
Summer Avg
27.6°C
Winter Avg
13.5°C
Record High
33.1°C
Record Low
-2.1°C
Annual Precipitation
1152.8 mm
Avg Humidity
79%
Summer Humidity
79%
Winter Humidity
79%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 20.8° | 12.5° | -2.1° | 62.9 | 79% | 92 | 62.3 |
| Feb | 21.2° | 13.4° | -0.2° | 77 | 79% | 102 | 60.8 |
| Mar | 23.8° | 15.8° | 4° | 82.5 | 80% | 147 | 61 |
| Apr | 28.1° | 19.4° | 8.7° | 71.7 | 79% | 182 | 63.2 |
| May | 31.8° | 23.4° | 14° | 88.7 | 78% | 202 | 59.8 |
| Jun | 32.5° | 26.7° | 20° | 147.9 | 79% | 194 | 62.7 |
| Jul | 33.1° | 28° | 24.1° | 129.3 | 79% | 197 | 52.2 |
| Aug | 33.1° | 28° | 23° | 156.9 | 80% | 177 | 58.8 |
| Sep | 32.3° | 26.4° | 17.7° | 106.2 | 77% | 148 | 94.1 |
| Oct | 29.4° | 22.8° | 9.9° | 89 | 75% | 130 | 84.1 |
| Nov | 25.6° | 17.9° | 5° | 56.1 | 77% | 99 | 62.4 |
| Dec | 22.1° | 14.7° | 0.7° | 84.6 | 80% | 82 | 58.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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