January in Sayanogorsk is the most freezing month of the year. In January, the weather in Sayanogorsk is typically freezing. Average daily high temperature in January is about 13 degrees below zero. On average, Sayanogorsk has 16 cloudy, 6 sunny, 6 partly cloudy, and 3 snowy days in January. The snowfalls are usually light. January as well as February, April, October, and December is considered the most uncomfortable time to visit Sayanogorsk.