In December, the weather in Petropavlovsky is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Petropavlovsky has 12 cloudy, 8 snowy, 5 sunny, 5 partly cloudy, and 1 rainy day in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Petropavlovsky.