January in Bamberg is the snowiest and the coldest month of the year. In January, the weather in Bamberg is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Bamberg has 15 cloudy, 11 rainy, 4 sunny, and 1 snowy day in January. The rains are usually moderate. January as well as February and December is considered the most uncomfortable time to visit Bamberg.