January in Zirndorf is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Zirndorf is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Zirndorf has 10 partly cloudy, 9 cloudy, 8 rainy, 3 sunny, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Zirndorf.