January in Postol is the most freezing month of the year. In January, the weather in Postol is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Postol has 19 cloudy, 11 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, April, and October is considered the most uncomfortable time to visit Postol.