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Hilton Head Island climate
Typical historical weather for Hilton Head Island, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Hilton Head Island.
Annual average
20.1°C
across all months
Warmest month
30.8°C
Jul average high
Coolest month
7.4°C
Jan average low
Annual rainfall
1261mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
35.3°C
29 July 2016
Coldest day
-5.7°C
24 December 2022
Wettest day
108.6mm
17 December 2023
Windiest day
14.6m/s
11 September 2017
See the detail: Hilton Head Island on 17 December 2023.