Measurements:
°C
°F
CURRENT WEATHER
14:19
Hilton Head Island
84°F
N 14 mph
Feels like: 86°F
Precip: 0%
World Resorts USA Hilton Head Island Weather

7 Day Weather Forecast

04.23
thu
DAY
82°F
N 7 mph
precip
0%
NIGHT
70°F
N 13 mph
precip
0%
04.24
fri
DAY
74°F
N 11 mph
precip
0%
NIGHT
70°F
NE 12 mph
precip
0%
04.25
sat
DAY
78°F
N 9 mph
precip
0%
NIGHT
70°F
NW 5 mph
precip
100%
04.26
sun
DAY
76°F
W 4 mph
precip
0%
NIGHT
70°F
W 14 mph
precip
75%
04.27
mon
DAY
68°F
SW 19 mph
precip
100%
NIGHT
70°F
W 8 mph
precip
61%
04.28
tue
DAY
76°F
NW 6 mph
precip
0%
NIGHT
72°F
N 10 mph
precip
0%
04.29
wed
DAY
76°F
NE 12 mph
precip
0%
NIGHT
72°F
E 7 mph
precip
0%

Hilton Head Island Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Hilton Head Island was 19.9°F. The maximum and minimum values were 17.5°F and 21.8°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