Measurements:
°C
°F
CURRENT WEATHER
07:20
Hilton Head Island
64°F
NW 9 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Hilton Head Island Weather

7 Day Weather Forecast

04.03
fri
DAY
76°F
NW 11 mph
precip
0%
NIGHT
66°F
NW 8 mph
precip
0%
04.04
sat
DAY
64°F
NW 9 mph
precip
0%
NIGHT
64°F
NW 12 mph
precip
0%
04.05
sun
DAY
68°F
N 12 mph
precip
0%
NIGHT
64°F
E 6 mph
precip
100%
04.06
mon
DAY
68°F
SW 16 mph
precip
100%
NIGHT
62°F
S 7 mph
precip
100%
04.07
tue
DAY
64°F
SW 14 mph
precip
0%
NIGHT
60°F
SW 16 mph
precip
0%
04.08
wed
DAY
56°F
SW 22 mph
precip
0%
NIGHT
52°F
SW 21 mph
precip
20%
04.09
thu
DAY
56°F
SW 21 mph
precip
0%
NIGHT
58°F
SW 17 mph
precip
0%

Hilton Head Island Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Hilton Head Island was 20.8°F. The maximum and minimum values were 17.9°F and 23.6°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 91.5 °F
August 89.5 °F
June 88.2 °F
Warmest sea temperature:
July 89.0 °F
August 89.0 °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 5 days
September 3 days
The most windy months:
January 8 mph
February 8 mph
March 8 mph
more details