If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Vanadzor: The hottest months are usually August and July with an average temp of 60°F, while the coldest months are January and February with an average of 27°F. The snowiest months in Vanadzor are January, March, December, and February, with each month seeing an average of 7 inches of snowfall.