World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in July

Average sea water temperature in July:
+85.3°F
Minimum sea water temperature in July: 88.3°F
Maximum sea water temperature in July: 82.0°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.3°F and 84.9°F.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.5°F 86.7°F
Key Largo 88.2°F 86.2°F
Clearwater Beach 87.9°F 87.1°F
Naples 87.7°F 86.6°F
Tampa 87.6°F 86.8°F
Sarasota 87.6°F 86.9°F
Cape Coral 87.6°F 86.4°F
Siesta Key 87.6°F 86.9°F
New Orleans 87.5°F 87.4°F
Miami 87.4°F 86.3°F
Miami Beach 87.0°F 86.0°F
Long Beach (MS) 86.9°F 87.2°F
Houston 86.7°F 86.3°F
Fort Lauderdale 86.6°F 85.0°F
Hilton Head Island 86.3°F 85.7°F
St. George Island 86.3°F 86.4°F
Tybee Island 86.3°F 85.4°F
Pensacola 86.1°F 86.9°F
Jekyll Island 86.1°F 84.6°F
Orange Beach 86.1°F 86.7°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 81.8 °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
+82°F
SE 9 mph
Feels like: +84°F
Precip.: 2%
Places in USA:
Name
°F
+68°F
+72°F
+79°F
+70°F
+68°F
+88°F
+73°F
+82°F
+75°F
+66°F
+59°F
+66°F
+86°F
+88°F
+79°F
24 Hours Forecast
Hilton Head Island
Local time: 14:20
October 12, monday
1500
82°F
SE
9 mph
1800
81°F
SE
7 mph
2100
75°F
SE
4 mph
October 13, tuesday
0000
73°F
S
5 mph
0300
72°F
S
4 mph
0600
70°F
S
6 mph
0900
72°F
S
6 mph
1200
81°F
W
5 mph
Units of measurement: °C / °F