January in Postninskiy is the most freezing month of the year. In January, the weather in Postninskiy is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Postninskiy has 18 cloudy, 12 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as April, October, and November is considered the most uncomfortable time to visit Postninskiy.