Measurements:
°C
°F
Hilton Head Island
82°F
NE 10 mph
Feels like: 88°F
Precip: 100%
World Resorts USA Hilton Head Island Weather

7 Day Weather Forecast

05.18
sat
DAY
80°F
SE 11 mph
precip
70%
NIGHT
74°F
NE 8 mph
precip
100%
05.19
sun
DAY
80°F
E 6 mph
precip
100%
NIGHT
68°F
SW 13 mph
precip
0%
05.20
mon
DAY
76°F
SW 10 mph
precip
0%
NIGHT
72°F
W 9 mph
precip
0%
05.21
tue
DAY
78°F
W 9 mph
precip
0%
NIGHT
74°F
W 7 mph
precip
0%
05.22
wed
DAY
80°F
NW 6 mph
precip
0%
NIGHT
78°F
N 11 mph
precip
0%
05.23
thu
DAY
82°F
N 9 mph
precip
0%
NIGHT
78°F
N 9 mph
precip
0%
05.24
fri
DAY
84°F
N 11 mph
precip
0%
NIGHT
80°F
N 11 mph
precip
100%

Hilton Head Island Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Hilton Head Island was 23.3°F. The maximum and minimum values were 20.9°F and 25.3°F respectively.

Hilton Head Island on the Weather Map

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 92.2 °F
August 90.9 °F
June 88.4 °F
Warmest sea temperature:
August 89.4 °F
July 88.6 °F
September 86.0 °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
June 5 days
The most windy months:
April 7 mph
March 7 mph
January 7 mph