Weather is probably a major factor when you plan your trip to Yaroslavl, 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 62°F, while the coldest months are January and February with an average of 20°F. The snowiest months in Yaroslavl are February, March, January, and December, with each month seeing an average of 91 inches of snowfall.