In October, the weather in Kansk is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Kansk has 12 cloudy, 9 rainy, 6 snowy, 3 sunny, and 1 partly cloudy day in October. The rains are usually light. October as well as January, February, April, and May is considered the most uncomfortable time to visit Kansk.