World Resorts USA Groton Weather

Groton Sea Temperature in March

Average sea water temperature in March:
+41.4°F
Minimum sea water temperature in March: 45.5°F
Maximum sea water temperature in March: 37.8°F

Daily sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 40.1°F. The highest and lowest sea temperatures during the month were 42.8°F and 37.8°F.

Monthly sea water temperature in Groton, °F

Which USA resorts have warmest sea in March?

Place name March 2025 March 2024
Honolulu 76.8°F 75.8°F
Hawaii 76.7°F 75.7°F
Maui 76.0°F 75.1°F
West Palm Beach 75.8°F 76.6°F
Fort Lauderdale 75.8°F 75.7°F
Oahu 75.7°F 74.5°F
Miami Beach 75.3°F 76.0°F
Islamorada 75.2°F 77.3°F
Key Largo 75.1°F 76.9°F
Kauai 75.0°F 74.5°F
Key West 74.5°F 76.5°F
Everglades 74.4°F 77.3°F
Miami 74.4°F 75.5°F
Marco Island 71.8°F 74.5°F
Cape Coral 71.7°F 74.2°F
Naples 71.4°F 73.8°F
Sanibel Island 70.9°F 73.0°F
Cocoa Beach 70.0°F 71.5°F
Tampa 69.3°F 71.7°F
St. Petersburg 68.8°F 71.8°F

Best time for vacation in Groton

Sunniest months:
November 17 days
October 14 days
September 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 41.7 °F
Rainiest months:
November 3 days
July 3 days
January 3 days
Windiest months:
January 10.1 mph
March 10.0 mph
November 9.7 mph

Groton on a weather map

Groton
+30°F
SE 16 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+55°F
+57°F
+72°F
+77°F
+72°F
+25°F
+59°F
+57°F
+64°F
+63°F
+68°F
+28°F
24 Hours Forecast
Groton
Local time: 00:22
December 22, monday
0300
28°F
SE
19 mph
0600
25°F
SE
18 mph
0900
27°F
SE
17 mph
1200
34°F
SE
15 mph
1500
34°F
SE
12 mph
1800
34°F
E
7 mph
2100
34°F
E
11 mph
December 23, tuesday
0000
34°F
E
13 mph
Units of measurement: °C / °F