April in Klyuchi is the rainiest month of the year. In April, the weather in Klyuchi is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Klyuchi has 23 rainy, 4 cloudy, and 3 sunny days in April. The rains are usually light. April as well as January, February, May, and September is considered the most uncomfortable time to visit Klyuchi.