December in Czestochowa is the windiest month of the year. In December, the weather in Czestochowa is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Czestochowa has 13 rainy, 10 cloudy, 3 snowy, 3 sunny, and 2 partly cloudy 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 Czestochowa.