January in Chirpan is the snowiest and the coldest month of the year. In January, the weather in Chirpan is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Chirpan has 12 sunny, 8 partly cloudy, 5 rainy, 5 cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Chirpan.