Visiting local bars in Rivne is more fun when you know what the weather holds. These temperatures and rainfall averages can help you choose the best time for bar hopping. The hottest months are usually August and July with an average temp of 65°F, while the coldest months are January and February with an average of 31°F. The snowiest months in Rivne are January, December, November, and February, with each month seeing an average of 9 inches of snowfall.