Planning for the weather is a good way to make your trip to Tonadico relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August with an average temp of 56°F, while the coldest months are January and February with an average of 28°F. The snowiest months in Tonadico are February, January, March, and December, with each month seeing an average of 137 inches of snowfall.