Weather in Martha's Vineyard: January
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Average day temperature: | 36.6°F |
| Average night temperature: | 33.6°F | |
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Sea water temperature: | 40.3°F |
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Number of sunny days: | 10 days |
| Day length: | 9.2 - 10.0 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Martha's Vineyard |
temperature
| Martha's Vineyard |
Air temperature in January, °F
The highest day temperature during January of 2026 was 51°F. At the same time the lowest night temperature was 7°F. Daily and nightly averages during January were 33.8°F and 27.5°F.
Sea water temperature in Martha's Vineyard in January, °F
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.
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Martha's Vineyard in January is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in January is 14.5 mph It makes January one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.9.
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
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