Weather in Hilton Head Island: October
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Average day temperature: | 75.0°F |
| Average night temperature: | 64.6°F | |
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Sea water temperature: | 73.7°F |
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Number of sunny days: | 17 days |
| Day length: | 10.9 - 11.8 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.7 in. | |
| more information | ||
forecast
| Hilton Head Island |
temperature
| Hilton Head Island |
Air temperature in October, °F
The highest day temperature during October of 2025 was 82°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during October were 72.5°F and 63.1°F.
Sea water temperature in Hilton Head Island in October, °F
The average sea water temperature in October of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 79.2°F and 66.0°F.
Mostly all days in October are sunny but cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Hilton Head Island in October is 0.7 in. Other months of the year show relatively similar values.
The average wind speed value in October is 7.6 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 8.0.
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
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