December in Zittau is the windiest month of the year. In December, the weather in Zittau is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Zittau has 12 cloudy, 11 rainy, 5 snowy, and 3 sunny days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Zittau.