Average sea water temperature in July:
+83.7°F
| Minimum sea water temperature in July: | 87.3°F |
| Maximum sea water temperature in July: | 80.2°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.4°F.
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| Charleston |
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| Charleston |
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| Charleston |
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| Charleston |
Monthly sea water temperature in Charleston, °F
Which USA resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Key West | 89.0°F | 86.7°F |
| Clearwater Beach | 88.9°F | 87.1°F |
| St. Petersburg | 88.6°F | 87.0°F |
| Sarasota | 88.4°F | 86.9°F |
| Siesta Key | 88.3°F | 86.9°F |
| Tampa | 88.3°F | 86.8°F |
| Naples | 88.1°F | 86.6°F |
| Miami | 87.5°F | 86.3°F |
| New Orleans | 87.1°F | 87.4°F |
| Miami Beach | 87.0°F | 86.0°F |
| Pensacola | 86.9°F | 86.9°F |
| Fort Lauderdale | 86.8°F | 85.0°F |
| Destin | 86.7°F | 86.3°F |
| Houston | 86.7°F | 86.3°F |
| Panama City Beach | 86.5°F | 86.3°F |
| West Palm Beach | 86.1°F | 84.6°F |
| Corpus Christi | 85.6°F | 85.3°F |
| Charleston (SC) | 85.4°F | 84.7°F |
| Isle of Palms | 85.3°F | 84.3°F |
| Jacksonville | 85.1°F | 80.4°F |
Best time for vacation in Charleston
Charleston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charleston
Local time: 09:53
July 16, thursday
1200
91°F
NW
4 mph
4 mph
1500
93°F
NW
9 mph
9 mph
1800
88°F
N
9 mph
9 mph
2100
82°F
N
7 mph
7 mph
July 17, friday
0000
82°F
NE
7 mph
7 mph
0300
81°F
NE
5 mph
5 mph
0600
79°F
E
4 mph
4 mph
0900
86°F
NE
2 mph
2 mph
