January in Pirot is the snowiest and the coldest month of the year. In January, the weather in Pirot is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Pirot has 9 partly cloudy, 8 sunny, 6 cloudy, 4 rainy, and 4 snowy days in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Pirot.