Planning for the weather is a good way to make your trip to Tafi del Valle relaxing and enjoyable, especially when you're splurging. The hottest months are usually January and December with an average temp of 73°F, while the coldest months are July and June with an average of 56°F. The rainiest months in Tafi del Valle are January, February, December, and March, with each month seeing an average of 7 inches of rainfall.