Weather For December 2025 In New York City. Get the monthly weather forecast for nyc, ny, including daily high/low, historical averages, to help you plan ahead. (map courtesy climate.gov) bad news for snow fans in virginia, maryland and d.c.,.
December in new york city introduces the full swing of winter, dropping temperatures to the low 42.3°f (5.7°c). Discover the most accurate weather forecast for new york in december 2025.