Weather in December
Ocean temperature
In Marion Center, Massachusetts, in December, the average water temperature is 46.9°F (8.3°C).Note: Entering waters of 46.9°F (8.3°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.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 7:09 am and sunset at 4:22 pm EST.
Updated: Jun 22, 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
What is the ocean temperature in December?
In December, the average ocean temperature 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.
What is the average length of the day in December?
In Marion Center, the average day length in December is 9h and 13min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 6:51 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:22 pm EST.
Average sea temperature in December
Marion 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
Marion 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).
Marion Center, Massachusetts, USA
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