April in Chistyye Klyuchi is the rainiest month of the year. In April, the weather in Chistyye Klyuchi is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Chistyye Klyuchi has 13 rainy, 6 sunny, 6 partly cloudy, and 5 cloudy days in April. The rains are usually light. April as well as January, February, and December is considered the most uncomfortable time to visit Chistyye Klyuchi.