December weather forecast in Tønsberg

December in Tønsberg is the windiest month of the year. In December, the weather in Tønsberg is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Tønsberg has 12 rainy, 9 partly cloudy, 6 sunny, and 4 cloudy days in December. The rains are usually moderate. December as well as January, February, March, and October is considered the most uncomfortable time to visit Tønsberg.