October in Bolshaya Usa is the rainiest month of the year. In October, the weather in Bolshaya Usa is typically cold. Average daily high temperature in October is about 4 degrees above zero. On average, Bolshaya Usa has 19 rainy, 8 cloudy, 3 snowy, and 1 sunny day in October. The rains are usually moderate. October as well as January, February, April, and September is considered the most uncomfortable time to visit Bolshaya Usa.