Weather in December
Ocean temperature
In Mattapoisett Center, Massachusetts, in December, the average water temperature is 46.9°F (8.3°C).Note: In 46.9°F (8.3°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Mattapoisett Center, Massachusetts, sunrise is at 6:51 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:23 pm EST.
Frequently asked questions
What is the ocean temperature in December in Mattapoisett Center?
In Mattapoisett Center, Massachusetts, the average seawater temperature in December is 46.9°F (8.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
What is the month with the shortest days in Mattapoisett Center?
December has the shortest days of the year in Mattapoisett Center, with an average of 9h and 12min of daylight.
What is the average length of the day in December in Mattapoisett Center?
In Mattapoisett Center, Massachusetts, the average day length in December is 9h and 13min.
When is the sunrise / sunset in December in Mattapoisett Center?
In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:13 pm. On the last day of the month, in Mattapoisett Center, Massachusetts, sunrise is at 7:10 am and sunset at 4:23 pm EST.
Average sea temperature in December
Mattapoisett Center, MA
- Average sea temperature in December: 46.9°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in December
Mattapoisett Center, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
Mattapoisett Center, Massachusetts, USA
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