World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in April

Average sea water temperature in April:
+68.3°F
Minimum sea water temperature in April: 74.5°F
Maximum sea water temperature in April: 62.1°F

Daily 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.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Everglades 78.5°F 78.8°F
West Palm Beach 78.2°F 78.3°F
Key Largo 78.2°F 78.5°F
Key West 78.1°F 78.0°F
Fort Lauderdale 78.0°F 78.0°F
Miami Beach 78.0°F 78.3°F
Kailua Kona 77.6°F 78.1°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Cape Coral 76.4°F 77.2°F
Hawaii 76.2°F 77.3°F
Marco Island 76.2°F 77.3°F
Kahului 76.1°F 76.8°F
Kauai 75.9°F 74.9°F
Maui 75.9°F 76.6°F
Naples 75.7°F 77.0°F
Tampa 75.2°F 76.6°F
St. Petersburg 75.1°F 76.3°F
Cocoa Beach 75.0°F 75.1°F
Oahu 74.9°F 76.4°F

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
April 8.2 mph
February 8.2 mph

Hilton Head Island on a weather map

Hilton Head Island
+77°F
NE 11 mph
Feels like: +81°F
Precip.: 69%
Places in USA:
Name
°F
+61°F
+73°F
+73°F
+70°F
+63°F
+86°F
+82°F
+66°F
+59°F
+64°F
+59°F
+86°F
+90°F
+77°F
+54°F
24 Hours Forecast
Hilton Head Island
Local time: 11:07
April 29, wednesday
1200
77°F
NE
11 mph
1500
81°F
NE
13 mph
1800
73°F
NW
10 mph
2100
72°F
N
11 mph
April 30, thursday
0000
70°F
N
10 mph
0300
70°F
NE
6 mph
0600
70°F
E
6 mph
0900
66°F
SE
11 mph
Units of measurement: °C / °F