Weather is probably a major factor when you plan your trip to Petropavlovsk-Kamchatskiy, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 53°F, while the coldest months are January and February with an average of 17°F. The snowiest months in Petropavlovsk-Kamchatskiy are March, February, April, and January, with each month seeing an average of 104 inches of snowfall.