January weather forecast
Ocean Bluff-Brant Rock, MA

Weather in January

Ocean temperature

In January, the average ocean temperature in Ocean Bluff-Brant Rock, Massachusetts, is 41.5°F (5.3°C).
Note: Swimming in 41.5°F (5.3°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.

Daylight

In January, the average length of the day in Ocean Bluff-Brant Rock, Massachusetts, is 9.5h.
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FAQ

What is the water temperature in January in Ocean Bluff-Brant Rock?

In Ocean Bluff-Brant Rock, Massachusetts, in January, the average water temperature is 41.5°F (5.3°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 average length of the day in January in Ocean Bluff-Brant Rock?

The average length of the day in January in Ocean Bluff-Brant Rock is 9.5h.

Average sea temperature in January
Ocean Bluff-Brant Rock, MA

Average sea temperature in January - Ocean Bluff-Brant Rock, MA
  • Average sea temperature in January: 41.5°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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Average daylight in January
Ocean Bluff-Brant Rock, MA

Average daylight in January - Ocean Bluff-Brant Rock, MA
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

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