June in Petrovka is the sunniest month of the year. In June, the weather in Petrovka is typically warm. Average daily high temperature in June is about 23 degrees above zero. On average, Petrovka has 12 sunny, 12 partly cloudy, and 6 rainy days in June. The rains are usually light. June as well as August is considered the most comfortable time to visit Petrovka.