If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Vinnytsia: The hottest months are usually August and July, with an average temperature of 19°C, while the coldest months are January and February, with an average of -1°C. The snowiest months in Vinnytsia are December, January, February and November, with each month seeing an average of 30 cm of snowfall.