Weather Forecast December 2024 Nyc. The average temperature during this month is around 36.5°f (2.5°c). 1, while astronomical winter starts on the solstice, which takes place this year at 10:27 p.m.

Get the monthly weather forecast for new york, ny, including daily high/low, historical averages, to help you plan ahead. Meteorological winter officially gets underway on friday, dec.