Average sea water temperature in August:
+85.2°F
| Minimum sea water temperature in August: | 88.9°F |
| Maximum sea water temperature in August: | 80.8°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 88.9°F and 81.9°F.
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| Hilton Head Island |
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| Hilton Head Island |
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| Hilton Head Island |
14 days
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| Hilton Head Island |
Monthly sea water temperature in Hilton Head Island, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Sanibel Island | 88.8°F | 87.3°F |
| Everglades | 88.8°F | 87.0°F |
| Islamorada | 88.8°F | 87.3°F |
| Key West | 88.8°F | 87.8°F |
| Cape Coral | 88.7°F | 86.8°F |
| Key Largo | 88.7°F | 87.3°F |
| Marco Island | 88.7°F | 87.1°F |
| Naples | 88.7°F | 87.0°F |
| St. Petersburg | 88.7°F | 86.9°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Siesta Key | 88.6°F | 87.3°F |
| Clearwater Beach | 88.5°F | 87.0°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Galveston | 87.9°F | 88.3°F |
| Galveston Island | 87.8°F | 88.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 18:10
December 23, tuesday
2100
61°F
NE
7 mph
7 mph
December 24, wednesday
0000
61°F
E
7 mph
7 mph
0300
59°F
E
7 mph
7 mph
0600
59°F
E
9 mph
9 mph
0900
61°F
E
9 mph
9 mph
1200
66°F
SE
9 mph
9 mph
1500
72°F
SE
6 mph
6 mph
1800
70°F
W
2 mph
2 mph
