Taking into account the local weather in Korsakov is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and July with an average temp of 58°F, while the coldest months are February and January with an average of 20°F. The snowiest months in Korsakov are March, January, February, and December, with each month seeing an average of 98 inches of snowfall.