World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in December

Average sea water temperature in December:
+57.5°F
Minimum sea water temperature in December: 65.8°F
Maximum sea water temperature in December: 46.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 56.2°F. The highest and lowest sea temperatures during the month were 61.0°F and 52.3°F.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Naples 71.5°F 67.7°F
Cocoa Beach 69.7°F 66.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F
Daytona Beach 67.1°F 65.8°F
Clearwater Beach 66.8°F 62.9°F
Fort Walton Beach 66.0°F 67.1°F
Destin 65.7°F 66.5°F
Pensacola Beach 65.2°F 66.7°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