December in Osterholz-Scharmbeck is the rainiest, the windiest, and the cloudiest month of the year. In December, the weather in Osterholz-Scharmbeck is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Osterholz-Scharmbeck has 22 rainy, 7 cloudy, and 2 sunny days in December. The rains are usually moderate. December as well as January, February, and November is considered the most uncomfortable time to visit Osterholz-Scharmbeck.