January in Wittenberg is the snowiest and the coldest month of the year. In January, the weather in Wittenberg is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Wittenberg has 15 rainy, 8 cloudy, 5 snowy, and 3 sunny days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Wittenberg.