29.04
wed
wed
Day
77°F
NE 11 mph
Precip.
69%
69%
Night
70°F
N 10 mph
Precip.
0%
0%
30.04
thu
thu
Day
73°F
E 9 mph
Precip.
60%
60%
Night
68°F
W 7 mph
Precip.
100%
100%
01.05
fri
fri
Day
70°F
W 14 mph
Precip.
0%
0%
Night
66°F
SW 7 mph
Precip.
100%
100%
02.05
sat
sat
Day
75°F
NE 11 mph
Precip.
66%
66%
Night
59°F
SW 9 mph
Precip.
0%
0%
03.05
sun
sun
Day
66°F
W 14 mph
Precip.
0%
0%
Night
61°F
W 7 mph
Precip.
0%
0%
04.05
mon
mon
Day
66°F
W 8 mph
Precip.
0%
0%
Night
64°F
N 9 mph
Precip.
0%
0%
05.05
tue
tue
Day
72°F
N 9 mph
Precip.
0%
0%
Night
70°F
N 13 mph
Precip.
0%
0%
sea water
temperature
temperature
| Hilton Head Island |
monthly
weather
weather
| Hilton Head Island |
current
weather
weather
| Hilton Head Island |
14 days
forecast
forecast
| Hilton Head Island |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 63.5°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 76.7°F. The highest and lowest sea temperatures during the month were 79.9°F and 73.6°F.
Air temperature in Hilton Head Island, °F
Precipitation total in Hilton Head Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 08:34
April 29, wednesday
0900
70°F
NE
11 mph
11 mph
1200
77°F
NE
11 mph
11 mph
1500
81°F
NE
13 mph
13 mph
1800
73°F
NW
10 mph
10 mph
2100
72°F
N
11 mph
11 mph
April 30, thursday
0000
70°F
N
10 mph
10 mph
0300
70°F
NE
6 mph
6 mph
0600
70°F
E
6 mph
6 mph
