January in Sejmchan is the sunniest and the most freezing month of the year. In January, the weather in Sejmchan is typically freezing. Average daily high temperature in January is about 27 degrees below zero. On average, Sejmchan has 14 partly cloudy, 10 sunny, 5 cloudy, and 2 snowy days in January. The snowfalls are usually light. January as well as February, March, November, and December is considered the most uncomfortable time to visit Sejmchan.