World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in July

Average sea water temperature in July:
+85.1°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:
2025
2024
2023

The average sea water temperature in July of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 88.3°F and 83.8°F.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Orange Beach 86.7°F 86.7°F
Pensacola Beach 86.7°F 87.1°F
Naples 86.6°F 87.2°F
Galveston 86.4°F 86.3°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Santa Rosa Beach 86.2°F 86.6°F
Fort Walton Beach 86.1°F 86.4°F

Best time for vacation in Hilton Head Island

Sunniest months:
October 17 days
November 15 days
December 15 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 55.6 °F
December 58.8 °F
February 59.7 °F
Rainiest months:
August 5 days
July 5 days
September 3 days
Windiest months:
January 8.3 mph
February 8.2 mph
December 8.1 mph

Hilton Head Island on a weather map

Hilton Head Island
+59°F
NE 8 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+73°F
+73°F
+82°F
+79°F
+70°F
+72°F
+68°F
+30°F
+75°F
+66°F
+64°F
+66°F
+70°F
+36°F
24 Hours Forecast
Hilton Head Island
Local time: 21:18
February 27, friday
0000
61°F
NE
11 mph
0300
61°F
NE
9 mph
0600
57°F
NE
8 mph
0900
57°F
NE
5 mph
1200
57°F
S
4 mph
1500
57°F
W
6 mph
1800
57°F
NW
6 mph
2100
57°F
N
3 mph
Units of measurement: °C / °F