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 temperature of 13°C, while the coldest months are January and February, with an average of -2°C. The snowiest months in Tonadico are February, January, March and December, with each month seeing an average of 349 cm of snowfall.