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:
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.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
Islamorada 78.4°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Marco Island 77.3°F 76.6°F
Cape Coral 77.2°F 76.3°F
Naples 77.0°F 76.3°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°F
Clearwater Beach 75.6°F 73.5°F
Cocoa Beach 75.1°F 73.9°F

Best time for vacation in Hilton Head Island

Sunniest months:
October 17 days
November 15 days
April 14 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 55.8 °F
December 58.9 °F
February 60.1 °F
Rainiest months:
August 5 days
July 5 days
February 3 days
Windiest months:
January 8.0 mph
December 8.0 mph
April 7.9 mph

Hilton Head Island on a weather map

Hilton Head Island
+52°F
S 4 mph
Feels like: +50°F
Precip.: 70%
Places in USA:
Name
°F
+28°F
+75°F
+75°F
+39°F
+50°F
+66°F
+77°F
+70°F
+19°F
+52°F
+46°F
+63°F
+61°F
+45°F
+3°F
24 Hours Forecast
Hilton Head Island
Local time: 04:40
December 05, friday
0600
52°F
S
4 mph
0900
55°F
SW
7 mph
1200
54°F
SW
6 mph
1500
52°F
SE
8 mph
1800
52°F
SE
8 mph
2100
52°F
SW
4 mph
December 06, saturday
0000
50°F
SE
6 mph
0300
48°F
S
2 mph
Units of measurement: °C / °F