January weather forecastOcean Bluff-Brant Rock, MA
January
Weather in January
Ocean temperature
In Ocean Bluff-Brant Rock, Massachusetts, the average seawater temperature in January is 41.5°F (5.3°C).Note: With the appropriate swimsuit, one can swim in 41.5°F (5.3°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.
Daylight
In January, the average length of the day is 9h and 31min.On the first day of the month, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:56 am and sunset at 4:55 pm EST.
Updated: Aug 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Ocean Bluff-Brant Rock, the average seawater temperature in January is 41.5°F (5.3°C). Swimming in 41.5°F (5.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
The average day length in January is 9h and 31min.
On the first day of January, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:55 pm EST.
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).
Average daylight in January
Ocean Bluff-Brant Rock, MA
- Average daylight in January: 9h and 30min
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).
