April in Kansk is the rainiest and the windiest month of the year. In April, the weather in Kansk is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Kansk has 17 rainy, 10 cloudy, and 3 sunny days in April. The rains are usually light. April as well as January, February, May, and October is considered the most uncomfortable time to visit Kansk.