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Best
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Best
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Best
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Best
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Tan
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Sea
5°
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Sea
4°
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4°
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5°
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Sea
12°
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15°
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18°
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Sea
19°
Swim
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16°
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13°
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11°
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8°
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The weather in December is much cooler than the previous month and temperatures continue to drop into January. December has average maximum temperatures of 7°C (45°F) which is too cold for sunbathing. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day. It is not a good time for sunbathing in Marthas Vineyard.
December has total rainfall of 10.8cm (4.3inches) making it often dry with only moderate showers. There are only 14.5 days with some rainfall so you can still enjoy the beach on the many clear days.
Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in Marthas Vineyard for any length of time, unless you have a wetsuit. The sea temperature in December is cooler than the previous month and temperatures continue to drop into January.
Consider visiting Marthas Vineyard in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.
No, December is not a good time for sunbathing in Marthas Vineyard.
December has average maximum temperatures of 7°C (45°F) which is too cold for sunbathing. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day. December has total rainfall of 10.8cm (4.3inches) making it often dry with only moderate showers. There are only 14.5 days with some rainfall so you can still enjoy the beach on the many clear days.
More about December temperature and sunshine.
No, December is too cold for swimming in Marthas Vineyard for any length of time, with the sea water at 8°C (46°F), unless you have a wetsuit.
More about December sea temperatures.
No, December is not a good time for a holiday in Marthas Vineyard.
December has average maximum temperatures of 7°C (45°F) which is too cold for sunbathing. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day. December has total rainfall of 10.8cm (4.3inches) making it often dry with only moderate showers. There are only 14.5 days with some rainfall so you can still enjoy the beach on the many clear days. It is not a good time for sunbathing in Marthas Vineyard. Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in Marthas Vineyard for any length of time, unless you have a wetsuit.
More about the December temperatures and sunshine.
No, Marthas Vineyard is too cold for sunbathing in December.
The average maximum temperature in Marthas Vineyard in December is 7°C (45°F). The average maximum temperature is 12°C (53°) in the previous month and 4°C (38°F) in the next month.
The average temperature in Marthas Vineyard in December is 3°C (37°F). The average temperature is 7°C (45°F) in the previous month and -1°C (31°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in Marthas Vineyard in December are 9.2. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day.
More about December sunshine.
The weather in December is much cooler than the previous month and temperatures continue to drop into January. The average maximum temperature in Marthas Vineyard in December is 7°C (45°F). The average maximum temperature is 12°C (53°F) in the previous month and 4°C (38°F) in the next month.
The average temperature in Marthas Vineyard in December is 3°C (37°F). The average temperature is 7°C (45°F) in the previous month and -1°C (31°F) in the next month.
The average minimum temperature in Marthas Vineyard in December is -1°C (30°F). The minimum temperature is 3°C (37°F) in the previous month and -5°C (24°F) in the next month.
The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 9.2 per day in Marthas Vineyard. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day.
The ultraviolet index in Marthas Vineyard in December is typically 1.4 during December. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Marthas Vineyard in December is 7.9°C (46.2°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia. The sea temperature in December is cooler than the previous month and temperatures continue to drop into January.
December weather is marginally drier than the previous month and rainfall continues to drop into January. December has a few more days of rain than the previous month. The average total rainfall in Marthas Vineyard in December is 10.8cm (4.3inches) and on average there are 14.5 rainy days in December making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Marthas Vineyard in December is 3°C (37°F) which is a bit dry for some. The dew point is 7°C (44°F) in the previous month and -1°C (-1°F) in the next month.
The average maximum relative humidity in Marthas Vineyard in December is typically 87.4%. The maximum relative humidity is 88.8% in the previous month and 85.3% in the next month.
The average relative humidity in Marthas Vineyard in December is typically 72.9%. The average relative humidity is 73.6% in the previous month and 70.4% in the next month.
The average maximum wind speed in Marthas Vineyard in December is typically 31KM/H (19MPH). The average maximum wind speed is 30KM/H (18MPH) in the previous month and 31KM/H (19MPH) in the next month.
The average wind speed in Marthas Vineyard in December is typically 18KM/H (11MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 18KM/H (11MPH) in the next month.
The average wind direction in Marthas Vineyard in December is from the West-Northwest.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
