Average monthly water temperature in Hilton Head Island, the United States of America

On this page you find the mean water temperature over the year in Hilton Head Island (South Carolina), the United States of America. Dive into the water temperature trends, highlighting the best times for swimming and other activities.

In Hilton Head Island, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 29°C (84°F).

The coldest water temperature month, February, has an average temperature of 14°C (57°F). It may not be the ideal time for a swim.

Hilton Head Island (SC) 3-Day Forecast

10-Day Forecast

More climate data for Hilton Head Island

Temperature Rainfall Sunshine Water Temp

See the full Hilton Head Island climate overview or explore weather in the United States of America.

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