December weather forecast
Mattapoisett Center, MA

Share

Weather in December

Ocean temperature

In December, the average ocean temperature in Mattapoisett Center, Massachusetts, is 46.9°F (8.3°C).
Note: Without suitable protection, venturing into 46.9°F (8.3°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:13 pm. On the last day of December, 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 December, the average ocean temperature in Mattapoisett Center is 46.9°F (8.3°C). Swimming in 46.9°F (8.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Mattapoisett Center.

How many hours of daylight does Mattapoisett Center have in December?

The average day length in December is 9h and 13min.

What time are sunrise and 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, 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location