Weather can make or break a road trip, so here's some data about year-round temperatures in Korsun-Shevchenkivskyi to help you plan yours: The hottest months are usually August and July, with an average temperature of 20°C, while the coldest months are January and February, with an average of -1°C. Average annual precipitation for Korsun-Shevchenkivskyi is 582 mm.