Measurements:
°C
°F
Hilton Head Island
44°F
SW 13 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Water Temperature

Current Sea Water Temperature:
+58.4°F
Maximum Sea Water Temperature in December: 67.6°F
Minimum Sea Water Temperature in December: 45.6°F
Average water temperature in December: 58.9°F

Sea Water Temperature for the Last 10 Days:

December 22 58.4°F December 17 55.8°F
December 21 59.6°F December 16 56.4°F
December 20 59.0°F December 15 56.4°F
December 19 59.6°F December 14 57.2°F
December 18 57.6°F December 13 57.8°F

When is the Warmest Sea for Hilton Head Island?

According to our data for the last three years for Hilton Head Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Hilton Head Island was 87.8°F. The maximum and minimum values were 84.2°F and 90.4°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Hilton Head Island was 90.0°F. The maximum and minimum values were 88.6°F and 91.8°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Hilton Head Island was 83.6°F. The maximum and minimum values were 80.2°F and 89.0°F respectively.

Best Time to Visit Hilton Head Island
The most sunny months:
October 16 days
April 16 days
December 14 days
The most warm months:
July 91.8 °F
August 90.2 °F
June 88.2 °F
Warmest sea temperature:
August 89.1 °F
July 88.9 °F
September 85.5 °F
The most cold months:
January 58.0 °F
December 60.8 °F
February 62.1 °F
The most rainy months:
August 6 days
July 6 days
March 4 days
The most windy months:
April 7 mph
March 7 mph
January 7 mph

Hilton Head Island on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Hilton Head Island
Local time: 05:35
22 dec, sunday
0600 44°F
SW
13 mph
0900 42°F
SW
14 mph
1200 44°F
SW
13 mph
1500 48°F
SW
11 mph
1800 50°F
SW
11 mph
2100 48°F
SW
12 mph
23 dec, monday
0000 44°F
SW
15 mph
0300 42°F
SW
14 mph