Average sea water temperature in July:
+69.6°F
| Minimum sea water temperature in July: | 73.9°F |
| Maximum sea water temperature in July: | 63.9°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.1°F. The highest and lowest sea temperatures during the month were 71.8°F and 65.7°F.
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| Charlestown |
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| Charlestown |
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| Charlestown |
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| Charlestown |
Monthly sea water temperature in Charlestown, °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 |
| Siesta Key | 86.9°F | 87.9°F |
| Tampa | 86.8°F | 87.4°F |
| Key West | 86.7°F | 87.6°F |
| Naples | 86.6°F | 87.2°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 |
| Miami Beach | 86.0°F | 86.5°F |
| Tybee Island | 85.4°F | 85.8°F |
| Corpus Christi | 85.3°F | 86.6°F |
| Fort Lauderdale | 85.0°F | 86.0°F |
| Washington | 84.8°F | 83.9°F |
| Charleston (SC) | 84.7°F | 85.2°F |
| Isle of Palms | 84.3°F | 85.0°F |
| Tangier Island | 84.0°F | 82.0°F |
Best time for vacation in Charlestown
Charlestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charlestown
Local time: 13:46
June 30, tuesday
1500
72°F
NE
17 mph
17 mph
1800
72°F
NE
15 mph
15 mph
2100
66°F
NE
11 mph
11 mph
July 01, wednesday
0000
66°F
NE
14 mph
14 mph
0300
70°F
NE
17 mph
17 mph
0600
70°F
NE
17 mph
17 mph
0900
72°F
NE
17 mph
17 mph
1200
73°F
NE
17 mph
17 mph
