Average sea water temperature in May:
+52.1°F
| Minimum sea water temperature in May: | 58.8°F |
| Maximum sea water temperature in May: | 46.4°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 52.4°F. The highest and lowest sea temperatures during the month were 55.6°F and 48.0°F.
Monthly sea water temperature in Groton, °F
Which USA resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Everglades | 84.5°F | 84.6°F |
| Islamorada | 83.6°F | 84.4°F |
| Key West | 83.5°F | 84.6°F |
| Naples | 83.5°F | 83.8°F |
| Marco Island | 83.5°F | 84.0°F |
| Key Largo | 83.5°F | 84.1°F |
| Cape Coral | 83.4°F | 83.6°F |
| Sanibel Island | 83.1°F | 83.2°F |
| Sarasota | 82.7°F | 82.9°F |
| Tampa | 82.7°F | 82.5°F |
| St. Petersburg | 82.6°F | 82.4°F |
| Clearwater Beach | 82.6°F | 82.5°F |
| Miami | 82.6°F | 83.3°F |
| Siesta Key | 82.5°F | 82.6°F |
| Miami Beach | 82.4°F | 83.0°F |
| Fort Lauderdale | 81.1°F | 81.7°F |
| West Palm Beach | 81.1°F | 81.5°F |
| Corpus Christi | 80.9°F | 81.0°F |
| Pensacola | 80.1°F | 79.4°F |
| South Padre Island | 80.0°F | 81.1°F |
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 08:01
December 22, monday
0900
27°F
SE
17 mph
17 mph
1200
36°F
SE
17 mph
17 mph
1500
39°F
SE
14 mph
14 mph
1800
34°F
SE
9 mph
9 mph
2100
32°F
E
6 mph
6 mph
December 23, tuesday
0000
32°F
E
10 mph
10 mph
0300
34°F
E
10 mph
10 mph
0600
34°F
NE
16 mph
16 mph
