January in Chojnow is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Chojnow is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Chojnow has 12 cloudy, 9 rainy, 4 sunny, 3 snowy, and 3 partly cloudy days in January. The rains are usually light. January as well as February, March, November, and December is considered the most uncomfortable time to visit Chojnow.