Measurements:
°C
°F
CURRENT WEATHER
17:44
Hilton Head Island
88°F
NW 12 mph
Feels like: 96°F
Precip: 66%
World Resorts USA Hilton Head Island Weather

7 Day Weather Forecast

08.25
tue
DAY
90°F
N 7 mph
precip
22%
NIGHT
82°F
NE 6 mph
precip
64%
08.26
wed
DAY
92°F
N 6 mph
precip
3%
NIGHT
78°F
NE 8 mph
precip
25%
08.27
thu
DAY
92°F
NE 7 mph
precip
3%
NIGHT
84°F
N 11 mph
precip
10%
08.28
fri
DAY
92°F
N 6 mph
precip
2%
NIGHT
82°F
NE 8 mph
precip
64%
08.29
sat
DAY
90°F
NW 7 mph
precip
4%
NIGHT
84°F
NW 7 mph
precip
38%
08.30
sun
DAY
88°F
NW 9 mph
precip
25%
NIGHT
86°F
N 10 mph
precip
11%
08.31
mon
DAY
92°F
N 8 mph
precip
4%
NIGHT
84°F
NE 8 mph
precip
13%

Hilton Head Island Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Hilton Head Island was 30.2°F. The maximum and minimum values were 29.5°F and 31.1°F respectively.

Hilton Head Island on the Weather Map

Best Time to Visit Hilton Head Island
The most sunny months:
October 17 days
November 15 days
December 15 days
The most warm months:
July 92.2 °F
August 89.5 °F
June 88.7 °F
Warmest sea temperature:
July 89.2 °F
August 89.2 °F
September 85.1 °F
The most cold months:
January 56.2 °F
December 59.8 °F
February 60.8 °F
The most rainy months:
August 5 days
July 4 days
September 3 days
The most windy months:
January 8 mph
February 8 mph
April 8 mph
more details