Weather in South Beach State Park, Marthas Vineyard, United States in December

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Visiting South Beach State Park, Marthas Vineyard, United States in December

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 South Beach State Park. Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in South Beach State Park for any length of time, unless you have a wetsuit.

Consider visiting South Beach State Park in the months of June, July, August, September, for the best beach weather.

December is cold and windy, making it unfavorable for beach activities. Swimming, sunbathing, and water sports are not recommended during this month due to rough sea conditions and low temperatures. Also consider one of our other suggestions for December.

Can you sunbathe in South Beach State Park in December?

No, December is not a good time for sunbathing in South Beach State Park.

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.

Can you swim in South Beach State Park in December?

No, December is too cold for swimming in South Beach State Park for any length of time, with the sea water at 8°C (46°F), unless you have a wetsuit.

More about December sea temperatures.

Is December a good time to holiday in South Beach State Park?

No, December is not a good time for a holiday in South Beach State Park.

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 South Beach State Park. Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in South Beach State Park for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is South Beach State Park warm in December?

No, South Beach State Park is too cold for sunbathing in December.

The average maximum temperature in South Beach State Park 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 South Beach State Park 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.

How sunny is South Beach State Park in December?

The average day light hours per day in South Beach State Park 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.

Crowds in South Beach State Park in December

December is one of the quietest months at South Beach State Park, with very few visitors due to the cold weather and winter season. There are no major public holidays or events that would draw crowds to the beach in this month.

Temperature in South Beach State Park in December

The average maximum temperature in South Beach State Park 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 South Beach State Park 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 South Beach State Park 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.

Sunshine in South Beach State Park in December

During December the average day light hours are 9.2 per day in South Beach State Park. 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 South Beach State Park 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.

Sea Temperature in South Beach State Park in December

The average sea water temperature in South Beach State Park 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.

Rainfall in South Beach State Park in December

The average total rainfall in South Beach State Park 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.

Humidity in South Beach State Park in December

The maximum dew point (an indicator of humidity) in South Beach State Park 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 South Beach State Park 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 South Beach State Park in December is typically 72.9%. The average relative humidity is 73.6% in the previous month and 70.4% in the next month.

Wind Speed in South Beach State Park in December

The average maximum wind speed in South Beach State Park 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 South Beach State Park 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 South Beach State Park in December is from the West-Northwest.

Monthly Averages

Suggested Beaches in December

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