Planning for the weather is a good way to make your trip to Poços de Caldas relaxing and enjoyable, especially when you’re splurging. The hottest months are usually September and October with an average temp of 69°F, while the coldest months are July and June with an average of 61°F. The rainiest months in Poços de Caldas are January, December, February, and November, with each month seeing an average of 14 inches of rainfall.