January in Sineborsk is the most freezing month of the year. In January, the weather in Sineborsk is typically freezing. Average daily high temperature in January is about 14 degrees below zero. On average, Sineborsk has 25 cloudy, 5 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, April, October, and December is considered the most uncomfortable time to visit Sineborsk.