World Resorts USA Charlestown Weather

Charlestown Sea Temperature in April

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.

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
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
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
Siesta Key 75.7°F 74.3°F
Clearwater Beach 75.6°F 73.5°F

Best time for vacation in Charlestown

Sunniest months:
November 17 days
September 14 days
October 14 days
Warmest months:
July 76.7 °F
August 75.5 °F
September 69.9 °F
Warmest sea temp:
August 70.8 °F
July 69.6 °F
September 68.5 °F
Coldest months:
January 36.5 °F
February 37.6 °F
December 41.9 °F
Rainiest months:
October 4 days
November 3 days
April 3 days
Windiest months:
January 13.3 mph
December 13.3 mph
March 13.0 mph

Charlestown on a weather map

Charlestown
+28°F
S 9 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+54°F
+27°F
24 Hours Forecast
Charlestown
Local time: 21:25
February 06, friday
0000
27°F
SW
12 mph
0300
23°F
S
9 mph
0600
25°F
S
10 mph
0900
27°F
S
10 mph
1200
28°F
SW
7 mph
1500
28°F
W
3 mph
1800
30°F
NW
1 mph
2100
30°F
N
2 mph
Units of measurement: °C / °F