On the first day of the month, sunrise is at 7:00 am and sunset at 4:29 pm. Daylight December has the shortest days of the year in New York, with an average of 9h and 18min of daylight. Even a few minutes in 55.4☏ (13☌) water is uncomfortable, and swimming below 50☏ (10☌) may cause total loss of breathing control and cold shock, depending on a person's physique.

Note: Swimming in 47.1☏ (8.4☌) is considered life-threatening. Ocean temperatureIn New York, in December, the average water temperature is 47.1☏ (8.4☌). Throughout the year, there are 19.2 snowfall days, and 7.8' (198mm) of snow is accumulated. In New York, New York, snow falls for 3 days, with typically accumulated 1.34' (34mm) of snow. Snowfall January through April, November and December are months with snowfall. Throughout the year, in New York, there are 169 rainfall days, and 36.65' (931mm) of precipitation is accumulated. Rainfall In New York, during December, the rain falls for 12.1 days and regularly aggregates up to 3.5' (89mm) of precipitation. Humidity February and December, with an average relative humidity of 76%, are the most humid months in New York, New York. In New York, New York, the average low-temperature is 32.9☏ (0.5☌). TemperatureIn December, the average high-temperature decreases from a fresh 51.4☏ (10.8☌) in November to a wintry 42.3☏ (5.7☌). The first month of the winter, December, is still a cold month in New York, New York, with an average temperature fluctuating between 42.3☏ (5.7☌) and 32.9☏ (0.5☌).

Nyc weather december