Weather in Massachusetts, United States in December

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Visiting Massachusetts, United States in December

December has average maximum temperatures of 7°C (44°F) which is too cold for sunbathing. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day. December has total rainfall of 12cm (4.7inches) making it a bit rainy but with only moderate showers. There are 15.8 days with some rainfall so you can still enjoy the beach on the clear days. It is not a good time for sunbathing in Massachusetts. Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in Massachusetts for any length of time, unless you have a wetsuit.

Consider visiting Massachusetts in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for December.

Can you sunbathe in Massachusetts in December?

No, December is not a good time for sunbathing in Massachusetts.

December has average maximum temperatures of 7°C (44°F) which is too cold for sunbathing. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day. December has total rainfall of 12cm (4.7inches) making it a bit rainy but with only moderate showers. There are 15.8 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in Massachusetts in December?

No, December is too cold for swimming in Massachusetts 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 Massachusetts?

No, December is not a good time for a holiday in Massachusetts.

December has average maximum temperatures of 7°C (44°F) which is too cold for sunbathing. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day. December has total rainfall of 12cm (4.7inches) making it a bit rainy but with only moderate showers. There are 15.8 days with some rainfall so you can still enjoy the beach on the clear days. It is not a good time for sunbathing in Massachusetts. Sea temperatures are a cold 8°C (46°F). December is too cold for swimming in Massachusetts for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is Massachusetts warm in December?

No, Massachusetts is too cold for sunbathing in December.

The average maximum temperature in Massachusetts in December is 7°C (44°F). The average maximum temperature is 11°C (52°) in the previous month and 3°C (38°F) in the next month.

The average temperature in Massachusetts in December is 3°C (37°F). The average temperature is 7°C (45°F) in the previous month and -0°C (31°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Massachusetts in December?

The average day light hours per day in Massachusetts in December are 9.1. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

More about December sunshine.

Temperature in Massachusetts in December

The average maximum temperature in Massachusetts in December is 7°C (44°F). The average maximum temperature is 11°C (52°F) in the previous month and 3°C (38°F) in the next month.

The average temperature in Massachusetts in December is 3°C (37°F). The average temperature is 7°C (45°F) in the previous month and -0°C (31°F) in the next month.

The average minimum temperature in Massachusetts in December is -1°C (31°F). The minimum temperature is 4°C (39°F) in the previous month and -4°C (25°F) in the next month.

Sunshine in Massachusetts in December

During December the average day light hours are 9.1 per day in Massachusetts. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

The ultraviolet index in Massachusetts 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 Massachusetts in December

The average sea water temperature in Massachusetts 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 Massachusetts in December

The average total rainfall in Massachusetts in December is 12cm (4.7inches) and on average there are 15.8 rainy days in December making it a wet time to visit the beach.

Humidity in Massachusetts in December

The maximum dew point (an indicator of humidity) in Massachusetts 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 Massachusetts in December is typically 87.3%. The maximum relative humidity is 87.8% in the previous month and 86.1% in the next month.

The average relative humidity in Massachusetts in December is typically 73.8%. The average relative humidity is 73.7% in the previous month and 71.7% in the next month.

Wind Speed in Massachusetts in December

The average maximum wind speed in Massachusetts in December is typically 27KM/H (17MPH). The average maximum wind speed is 25KM/H (16MPH) in the previous month and 27KM/H (17MPH) in the next month.

The average wind speed in Massachusetts in December is typically 15KM/H (9MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 15KM/H (9MPH) in the next month.

The average wind direction in Massachusetts in December is from the West.

Monthly Averages

Suggested Beaches in December

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.