Weather will likely play an important role when you plan your trip to Moscow, 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 22°F. The snowiest months in Moscow are December, February, January, and November, with each month seeing an average of 20 inches of snowfall.