World Resorts USA Groton Weather

Groton Sea Temperature in April

Average sea water temperature in April:
+45.4°F
Minimum sea water temperature in April: 49.5°F
Maximum sea water temperature in April: 41.9°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 44.6°F. The highest and lowest sea temperatures during the month were 48.9°F and 42.1°F.

Monthly sea water temperature in Groton, °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
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

Best time for vacation in Groton

Sunniest months:
November 17 days
October 14 days
December 13 days
Warmest months:
July 79.9 °F
August 78.2 °F
June 73.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.7 °F
February 38.0 °F
December 40.9 °F
Rainiest months:
July 3 days
November 3 days
January 3 days
Windiest months:
December 10.2 mph
January 10.1 mph
March 10.0 mph

Groton on a weather map

Groton
+45°F
SE 11 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+75°F
+75°F
+43°F
+52°F
+77°F
+75°F
+70°F
+48°F
+57°F
+45°F
+72°F
+75°F
+75°F
+50°F
24 Hours Forecast
Groton
Local time: 12:50
January 08, thursday
1500
48°F
SE
7 mph
1800
43°F
SE
5 mph
2100
36°F
SE
4 mph
January 09, friday
0000
34°F
E
2 mph
0300
34°F
E
2 mph
0600
32°F
N
2 mph
0900
36°F
N
5 mph
1200
37°F
N
11 mph
Units of measurement: °C / °F