January in Brighton is the snowiest and the most freezing month of the year. In January, the weather in Brighton is typically freezing. Average daily high temperature in January is about zero. On average, Brighton has 9 cloudy, 8 partly cloudy, 5 snowy, 5 sunny, and 4 rainy days in January. The snowfalls are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Brighton.