December in Winsen is the rainiest, the windiest, and the cloudiest month of the year. In December, the weather in Winsen is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Winsen has 21 rainy, 7 cloudy, 2 sunny, and 1 partly cloudy day in December. The rains are usually moderate. December as well as January, February, and November is considered the most uncomfortable time to visit Winsen.