December in Bernau by Berlin is the rainiest and the windiest month of the year. In December, the weather in Bernau by Berlin is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Bernau by Berlin has 22 rainy, 7 cloudy, and 2 sunny days in December. The rains are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Bernau by Berlin.