If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Wayzata: The hottest months are usually July and August with an average temp of 69°F, while the coldest months are January and February with an average of 21°F. The snowiest months in Wayzata are March, February, January, and December, with each month seeing an average of 6 inches of snowfall.