January in Pionersky is the most freezing month of the year. In January, the weather in Pionersky is typically freezing. Average daily high temperature in January is about 14 degrees below zero. On average, Pionersky has 24 cloudy, 5 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as February, April, September, and October is considered the most uncomfortable time to visit Pionersky.