Weather in Martha's Vineyard: December
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Average day temperature: | 43.6°F |
| Average night temperature: | 41.6°F | |
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Sea water temperature: | 46.8°F |
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Number of sunny days: | 11 days |
| Day length: | 9.2 - 9.4 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.5 in. | |
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forecast
| Martha's Vineyard |
temperature
| Martha's Vineyard |
Air temperature in December, °F
The highest day temperature during December of 2023 was 57°F. At the same time the lowest night temperature was 27°F. Day and night temperature averages during December were 44.3°F and 42.7°F.
Sea water temperature in Martha's Vineyard in December, °F
The average sea water temperature in December of 2023 was 47.6°F. The highest and lowest sea temperatures during the month were 49.8°F and 44.8°F.
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Martha's Vineyard in December is 1.5 in. Other months of the year show relatively similar values.
The average wind speed value in December is 14.0 mph It makes December 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 December is: 4.7.
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
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