Taking into account the local weather in Wasilla is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and June with an average temp of 53°F, while the coldest months are January and December with an average of 14°F. The snowiest months in Wasilla are November, December, January, and February, with each month seeing an average of 36 inches of snowfall.