January in Petrovsk-Zabaykalskiy is the cloudiest and the most freezing month of the year. In January, the weather in Petrovsk-Zabaykalskiy is typically freezing. Average daily high temperature in January is about 17 degrees below zero. On average, Petrovsk-Zabaykalskiy has 19 cloudy, 8 partly cloudy, 3 sunny, and 1 snowy day in January. The snowfalls are usually light. January as well as February and December is considered the most uncomfortable time to visit Petrovsk-Zabaykalskiy.