January in Berlin is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Berlin is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Berlin has 16 rainy, 10 cloudy, 3 snowy, and 2 sunny days in January. The rains are usually moderate. January as well as March, November, and December is considered the most uncomfortable time to visit Berlin.