January weather forecast
Mattapoisett Center, MA

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Weather in January

Ocean temperature

In January, the average ocean temperature in Mattapoisett Center, Massachusetts, is 41.4°F (5.2°C).
Note: Swimming in 41.4°F (5.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In January, the average length of the day is 9h and 34min.
On the first day of January in Mattapoisett Center, sunrise is at 7:10 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm EST.

Frequently asked questions

What is the water temperature in January?

In Mattapoisett Center, the average seawater temperature in January is 41.4°F (5.2°C). Swimming in 41.4°F (5.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in January?

In January, the average day length is 9h and 34min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:10 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm EST.

Average sea temperature in January
Mattapoisett Center, MA

Average sea temperature in January - Mattapoisett Center, MA
  • Average sea temperature in January: 41.3°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 January
Mattapoisett Center, MA

Average daylight in January - Mattapoisett Center, MA
  • Average daylight in January: 9h and 4min

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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