Weather will likely play an important role when you plan your trip to Chelyabinsk, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 64°F, while the coldest months are January and February with an average of 12°F. The snowiest months in Chelyabinsk are January, February, March, and December, with each month seeing an average of 87 inches of snowfall.