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

So you're interested in going to South Beach State Park, Marthas Vineyard, United States in December

December is a very cold and slightly rainy time for sunbathing in South Beach State Park, and not recommended. 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. Also consider one of our other suggestions for December.

Temperature in South Beach State Park in December

The average maximum temperature in South Beach State Park in December is . The average maximum temperature is 12° in the previous month and in the next month.

The average temperature in South Beach State Park in December is . The average temperature ranges is in the previous month and -1° in the next month.

The average minimum temperature in South Beach State Park in December is -1°. The minimum temperature is in the previous month and -5° in the next month.

Sunshine in South Beach State Park in December

The average day light hours per day in South Beach State Park in December are 9.2 and there are 5 hours of sunshine per day on average during December making it a sunny month that is overcast at times.

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° 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 and on average there are 14.5 rainy days in December making it a slightly 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 which is a bit dry for some. The dew point is in the previous month and -1° 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 31kmh. The average maximum wind speed is 30kmh in the previous month and 31kmh in the next month.

The average wind speed in South Beach State Park in December is typically 18kmh. The average wind speed is 16kmh in the previous month and 18kmh 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

Book Accomodation Deals