January in Pultusk is the snowiest and the coldest month of the year. In January, the weather in Pultusk is typically freezing. Average daily high temperature in January is about zero. On average, Pultusk has 15 cloudy, 6 partly cloudy, 5 rainy, 3 sunny, and 2 snowy days in January. The rains are usually light. January as well as February, March, April, and October is considered the most uncomfortable time to visit Pultusk.