In April, the weather in Chistyye Bory is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Chistyye Bory has 14 rainy, 13 cloudy, and 3 sunny days in April. The rains are usually light. April as well as January, September, and October is considered the most uncomfortable time to visit Chistyye Bory.