Average sea water temperature in January:
+40.3°F
| Minimum sea water temperature in January: | 46.0°F |
| Maximum sea water temperature in January: | 34.5°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 39.0°F. The highest and lowest sea temperatures during the month were 42.1°F and 34.5°F.
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| Martha's Vineyard |
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| Martha's Vineyard |
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| Martha's Vineyard |
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| Martha's Vineyard |
Monthly sea water temperature in Martha's Vineyard, °F
Which USA resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Honolulu | 77.2°F | 77.6°F |
| Hawaii | 77.2°F | 77.5°F |
| Maui | 77.0°F | 76.9°F |
| Kauai | 77.0°F | 75.0°F |
| West Palm Beach | 76.6°F | 75.5°F |
| Oahu | 76.1°F | 76.5°F |
| Fort Lauderdale | 75.9°F | 75.1°F |
| Miami Beach | 74.0°F | 73.1°F |
| Key West | 72.5°F | 70.3°F |
| Key Largo | 71.7°F | 71.1°F |
| Miami | 71.2°F | 70.7°F |
| Port St. Lucie | 70.1°F | 67.1°F |
| Naples | 67.7°F | 64.7°F |
| Cape Coral | 67.3°F | 64.3°F |
| Cocoa Beach | 66.9°F | 60.9°F |
| Siesta Key | 65.0°F | 61.5°F |
| Sarasota | 65.0°F | 61.2°F |
| Orlando | 64.8°F | 59.8°F |
| Tampa | 64.3°F | 60.4°F |
| Daytona Beach | 64.1°F | 59.7°F |
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Martha's Vineyard
Local time: 23:52
October 25, sunday
0000
52°F
NE
4 mph
4 mph
0300
52°F
NE
2 mph
2 mph
0600
52°F
E
2 mph
2 mph
0900
52°F
SE
2 mph
2 mph
1200
55°F
N
1 mph
1 mph
1500
57°F
N
5 mph
5 mph
1800
55°F
NE
8 mph
8 mph
2100
54°F
NE
8 mph
8 mph
