November in Osterode am Harz is the cloudiest month of the year. In November, the weather in Osterode am Harz is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Osterode am Harz has 12 rainy, 9 cloudy, 8 partly cloudy, and 1 sunny day in November. The rains are usually moderate. November as well as January, February, March, and April is considered the most uncomfortable time to visit Osterode am Harz.