World Resorts USA Hilton Head Island Weather

Hilton Head Island 7 Days Forecast

09.04
thu
Day
66°F
SW 16 mph
Precip.
0%
Night
63°F
SW 12 mph
Precip.
0%
10.04
fri
Day
68°F
W 12 mph
Precip.
0%
Night
63°F
W 6 mph
Precip.
0%
11.04
sat
Day
72°F
W 6 mph
Precip.
0%
Night
59°F
NW 5 mph
Precip.
0%
12.04
sun
Day
70°F
W 7 mph
Precip.
0%
Night
64°F
N 6 mph
Precip.
0%
13.04
mon
Day
70°F
N 7 mph
Precip.
0%
Night
66°F
N 9 mph
Precip.
0%
14.04
tue
Day
72°F
N 11 mph
Precip.
0%
Night
66°F
N 11 mph
Precip.
0%
15.04
wed
Day
72°F
N 11 mph
Precip.
0%
Night
66°F
N 11 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 69.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 64.2°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

Sunniest months:
October 17 days
November 15 days
December 15 days
Warmest months:
July 87.3 °F
August 85.5 °F
June 84.4 °F
Warmest sea temp:
July 85.1 °F
August 85.1 °F
September 81.6 °F
Coldest months:
January 55.6 °F
December 58.8 °F
February 59.8 °F
Rainiest months:
August 5 days
July 5 days
September 3 days
Windiest months:
January 8.3 mph
February 8.2 mph
March 8.1 mph

Hilton Head Island on a weather map

Hilton Head Island
+54°F
SW 17 mph
Feels like: +50°F
Precip.: 76%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+73°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+63°F
+50°F
24 Hours Forecast
Hilton Head Island
Local time: 07:18
April 09, thursday
0900
57°F
SW
16 mph
1200
66°F
SW
16 mph
1500
70°F
W
17 mph
1800
68°F
W
18 mph
2100
63°F
SW
14 mph
April 10, friday
0000
63°F
SW
12 mph
0300
61°F
SW
12 mph
0600
59°F
SW
12 mph
Units of measurement: °C / °F