January in Brooklyn is the snowiest and the most freezing month of the year. In January, the weather in Brooklyn is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Brooklyn has 10 cloudy, 8 partly cloudy, 7 snowy, 3 rainy, and 3 sunny days in January. The snowfalls are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Brooklyn.