January weather forecast in Hanover

January in Hanover is the snowiest and the coldest month of the year. In January, the weather in Hanover is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Hanover has 10 rainy, 10 cloudy, 6 partly cloudy, 4 sunny, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Hanover.