January in Tomsk is the most freezing month of the year. In January, the weather in Tomsk is typically freezing. Average daily high temperature in January is about 17 degrees below zero. On average, Tomsk has 27 cloudy, 3 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 Tomsk.