February in Tønsberg is the snowiest and the cloudiest month of the year. In February, the weather in Tønsberg is typically cold. Average daily high temperature in February is about 1 degree above zero. On average, Tønsberg has 9 cloudy, 7 snowy, 6 rainy, 4 sunny, and 3 partly cloudy days in February. The snowfalls are usually light. February as well as January, March, October, and November is considered the most uncomfortable time to visit Tønsberg.