December in Odense is the windiest month of the year. In December, the weather in Odense is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Odense has 18 rainy, 11 cloudy, and 2 sunny 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 Odense.