Taking into account the local weather in Flin Flon is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and August with an average temp of 60°F, while the coldest months are February and January with an average of 5°F. The snowiest months in Flin Flon are January, March, November, and February, with each month seeing an average of 19 inches of snowfall.