Weather is probably a major factor when you plan your trip to Caddy Lake, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 62°F, while the coldest months are January and February with an average of 12°F. The snowiest months in Caddy Lake are April, March, January, and November, with each month seeing an average of 13 inches of snowfall.