In March, the weather in Korosten is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Korosten has 9 cloudy, 8 partly cloudy, 6 rainy, 6 sunny, and 2 snowy days in March. The rains are usually light. March as well as January, February, April, and October is considered the most uncomfortable time to visit Korosten.