If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Vinnytsia: The hottest months are usually August and July with an average temp of 66°F, while the coldest months are January and February with an average of 30°F. The snowiest months in Vinnytsia are December, January, February, and November, with each month seeing an average of 12 inches of snowfall.