Average sea water temperature in April:
+45.1°F
| Minimum sea water temperature in April: | 49.8°F |
| Maximum sea water temperature in April: | 41.5°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 44.2°F. The highest and lowest sea temperatures during the month were 47.3°F and 41.7°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 April?
| Place name | April 2025 | April 2024 |
|---|---|---|
| Everglades | 78.8°F | 78.0°F |
| Key Largo | 78.5°F | 77.3°F |
| Islamorada | 78.4°F | 77.5°F |
| West Palm Beach | 78.3°F | 77.5°F |
| Miami Beach | 78.3°F | 77.1°F |
| Kailua Kona | 78.1°F | 76.9°F |
| Fort Lauderdale | 78.0°F | 76.9°F |
| Key West | 78.0°F | 77.6°F |
| Miami | 77.9°F | 76.9°F |
| Honolulu | 77.4°F | 76.2°F |
| Hawaii | 77.3°F | 76.1°F |
| Marco Island | 77.3°F | 76.6°F |
| Cape Coral | 77.2°F | 76.3°F |
| Naples | 77.0°F | 76.3°F |
| Sanibel Island | 76.7°F | 75.8°F |
| Tampa | 76.6°F | 74.1°F |
| Maui | 76.6°F | 75.4°F |
| Oahu | 76.4°F | 75.0°F |
| St. Petersburg | 76.3°F | 74.2°F |
| Sarasota | 76.0°F | 74.3°F |
Best time for vacation in Charlestown
Charlestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charlestown
Local time: 05:10
December 24, wednesday
0600
41°F
E
17 mph
17 mph
0900
41°F
SE
26 mph
26 mph
1200
41°F
SE
25 mph
25 mph
1500
39°F
SE
22 mph
22 mph
1800
37°F
S
14 mph
14 mph
2100
32°F
S
9 mph
9 mph
December 25, thursday
0000
30°F
S
4 mph
4 mph
0300
30°F
E
7 mph
7 mph
