Visiting local bars in Tomsk is more fun in good weather. These rainfall averages and temperatures can help you determine the best time for bar hopping. The hottest months are usually July and June with an average temp of 60°F, while the coldest months are January and February with an average of 6°F. The snowiest months in Tomsk are March, February, April, and December, with each month seeing an average of 101 inches of snowfall.