Average sea water temperature in April:
+66.5°F
| Minimum sea water temperature in April: | 73.8°F |
| Maximum sea water temperature in April: | 57.0°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 67.6°F. The highest and lowest sea temperatures during the month were 70.5°F and 63.0°F.
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
14 days
forecast
forecast
| Charleston |
Monthly sea water temperature in Charleston, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Everglades | 78.6°F | 78.8°F |
| Key Largo | 78.2°F | 78.5°F |
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Fort Lauderdale | 78.1°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Hialeah | 77.7°F | 77.9°F |
| Miami | 77.5°F | 77.9°F |
| Hilo | 77.0°F | 77.2°F |
| Honolulu | 76.5°F | 77.4°F |
| Cape Coral | 76.4°F | 77.2°F |
| Marco Island | 76.3°F | 77.3°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| Tampa | 75.3°F | 76.6°F |
| St. Petersburg | 75.2°F | 76.3°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Corpus Christi | 75.0°F | 74.7°F |
Best time for vacation in Charleston
Charleston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charleston
Local time: 19:05
May 16, saturday
2100
72°F
NW
7 mph
7 mph
May 17, sunday
0000
72°F
NW
7 mph
7 mph
0300
72°F
N
7 mph
7 mph
0600
72°F
N
6 mph
6 mph
0900
77°F
N
6 mph
6 mph
1200
81°F
N
9 mph
9 mph
1500
81°F
N
11 mph
11 mph
1800
79°F
N
9 mph
9 mph
