July in Sejmchan is the warmest month of the year. In July, the weather in Sejmchan is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Sejmchan has 19 partly cloudy, 8 sunny, 2 rainy, and 2 cloudy days in July. The rains are usually light. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Sejmchan.