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:
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The average sea water temperature in April of 2025 was 43.1°F. The highest and lowest sea temperatures during the month were 44.1°F and 42.1°F.
Monthly sea water temperature in Groton, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
12
24
36
48
60
72
84
48.8
57.2
63.8
68.8
70.7
68.9
61.3
52.1
45.4
41.4
40
42.8
Which USA resorts have warmest sea in April?
| Place name | April 2025 | April 2024 |
|---|---|---|
| Everglades | 78.8°F | 78.0°F |
| Miami Beach | 78.3°F | 77.1°F |
| Kailua Kona | 78.1°F | 76.9°F |
| West Palm Beach | 78.0°F | 77.5°F |
| Miami | 77.9°F | 76.9°F |
| Key West | 77.8°F | 77.6°F |
| Fort Lauderdale | 77.8°F | 76.9°F |
| Marco Island | 77.2°F | 76.6°F |
| Honolulu | 77.2°F | 76.2°F |
| Hawaii | 77.1°F | 76.1°F |
| Naples | 77.1°F | 76.3°F |
| Cape Coral | 76.9°F | 76.3°F |
| Tampa | 76.5°F | 74.1°F |
| Maui | 76.4°F | 75.4°F |
| Oahu | 76.2°F | 75.0°F |
| Sarasota | 75.6°F | 74.3°F |
| Siesta Key | 75.5°F | 74.3°F |
| Kauai | 74.9°F | 75.1°F |
| Clearwater Beach | 74.8°F | 73.5°F |
| Cocoa Beach | 74.4°F | 73.9°F |
Best time for vacation in Groton
Groton on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 22:19
April 18, friday
0000
48°F
SE
6 mph
6 mph
0300
45°F
SE
6 mph
6 mph
0600
41°F
E
3 mph
3 mph
0900
50°F
NE
6 mph
6 mph
1200
61°F
N
9 mph
9 mph
1500
59°F
N
16 mph
16 mph
1800
55°F
NE
17 mph
17 mph
2100
50°F
NE
16 mph
16 mph
