Weather in December
December marks the onset of winter in Staten Island with the sea temperatures falling to a chilling 47.2°F (8.4°C). Compared to the cooler month of November, December brings on a pronounced chill, wrapping the island in a winter mantel. The dwindling daylight hours and a marked drop in sea temperatures paint the city with a distinct winter tableau. The shortest days of the year engender an environment conducive for indoor activities. With December, the year rounds off on a frosty note, paving the way for the chilly January ahead.
Note: Navigating the 47.1°F (8.4°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, in Staten Island, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Ocean temperature
In Staten Island, in December, the average water temperature is 47.1°F (8.4°C).Note: Navigating the 47.1°F (8.4°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, in Staten Island, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Updated: Jul 27, 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
How cold is the water in December?
In Staten Island, the average seawater temperature in December is 47.1°F (8.4°C). Swimming in 47.1°F (8.4°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 month with the shortest days in Staten Island?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
In December, the average day length is 9h and 20min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Average sea temperature in December
Staten Island, NY
- Average sea temperature in December: 47.2°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in December
Staten Island, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Staten Island, New York, USA
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