October in Petrova is the rainiest month of the year. In October, the weather in Petrova is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Petrova has 22 rainy, 5 snowy, and 4 cloudy days in October. The rains are usually moderate. October as well as January, February, April, and May is considered the most uncomfortable time to visit Petrova.