World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in October

Average sea water temperature in October:
+73.7°F
Minimum sea water temperature in October: 80.2°F
Maximum sea water temperature in October: 66.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 79.2°F and 66.0°F.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Marco Island 82.0°F 81.9°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Galveston Island 81.1°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°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
+68°F
NE 6 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+75°F
+75°F
+66°F
+61°F
+79°F
+77°F
+72°F
+43°F
+66°F
+57°F
+72°F
+77°F
+75°F
+37°F
24 Hours Forecast
Hilton Head Island
Local time: 17:44
December 25, thursday
1800
68°F
NE
6 mph
2100
59°F
NE
7 mph
December 26, friday
0000
59°F
E
7 mph
0300
57°F
E
7 mph
0600
55°F
SE
5 mph
0900
55°F
NE
6 mph
1200
55°F
E
8 mph
1500
57°F
NE
8 mph
Units of measurement: °C / °F