Weather in December
December brings the full thrust of winter to Bronx County, New York. The sea temperature drops further to 48.1°F (8.9°C), the second coldest month after January. Cold air permeates the county and forms a thick frost, a sure indication of winter’s dominance. Diminishing daylight influences the snow-covered scenery, illuminating a distinct winter wonderland. Concluding the year, December portrays a classic winter panorama: frigid temperatures, sparse daylight, and the magic of the festive season.
Note: Danger awaits those who swim in 48°F (8.9°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Ocean temperature
In December, the average ocean temperature is 48°F (8.9°C).Note: Danger awaits those who swim in 48°F (8.9°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
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 4:28 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Updated: Aug 29, 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 Bronx County, in December, the average water temperature is 48°F (8.9°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 month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
What is the average length of the day in December?
In December, the average day length is 9h and 18min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Average sea temperature in December
Bronx County, NY
- Average sea temperature in December: 48.1°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 (39.9°F).
Average daylight in December
Bronx County, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Bronx County, New York, USA
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