October in Korsakov is the sunniest month of the year. In October, the weather in Korsakov is typically cold. Average daily high temperature in October is about 9 degrees above zero. On average, Korsakov has 14 sunny, 10 partly cloudy, and 7 rainy days in October. The rains are usually moderate. October as well as January, April, May, and November is considered the most uncomfortable time to visit Korsakov.