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 68.5°F. The highest and lowest sea temperatures during the month were 71.8°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
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Hawaii 76.2°F 77.3°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
Tampa 75.3°F 76.6°F
Cocoa Beach 75.0°F 75.1°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F
New Orleans 72.6°F 72.1°F
Orlando 72.3°F 72.8°F
St. George Island 72.3°F 72.8°F
Pensacola Beach 71.7°F 72.5°F

Best time for vacation in Hilton Head Island

Sunniest months:
October 17 days
November 15 days
December 15 days
Warmest months:
July 88.0 °F
August 86.0 °F
June 84.8 °F
Warmest sea temp:
July 85.3 °F
August 85.3 °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 4 days
September 3 days
Windiest months:
January 8.3 mph
February 8.2 mph
April 8.2 mph

Hilton Head Island on a weather map

Hilton Head Island
+77°F
SW 2 mph
Feels like: +81°F
Precip.: 13%
Places in USA:
Name
°F
+66°F
+75°F
+77°F
+75°F
+61°F
+77°F
+61°F
+72°F
+72°F
+66°F
+59°F
+61°F
+77°F
+79°F
+68°F
24 Hours Forecast
Hilton Head Island
Local time: 07:04
September 01, tuesday
0900
81°F
SW
5 mph
1200
84°F
NW
7 mph
1500
84°F
NW
10 mph
1800
82°F
NW
10 mph
2100
81°F
NW
8 mph
September 02, wednesday
0000
81°F
N
5 mph
0300
79°F
N
2 mph
0600
79°F
S
2 mph
Units of measurement: °C / °F