April in Petropavlovsk is the rainiest month of the year. In April, the weather in Petropavlovsk is typically freezing. Average daily high temperature in April is about zero. On average, Petropavlovsk has 9 rainy, 8 partly cloudy, 7 cloudy, 5 sunny, and 1 snowy day in April. The rains are usually moderate. April as well as May and October is considered the most uncomfortable time to visit Petropavlovsk.