In October, the weather in Petrovka is typically cold. Average daily high temperature in October is about 5 degrees above zero. On average, Petrovka has 19 cloudy, 6 rainy, 3 sunny, 2 partly cloudy, and 1 snowy day in October. The rains are usually light. October as well as January, February, and December is considered the most uncomfortable time to visit Petrovka.