Weather is probably a major factor when you plan your trip to Chapecó, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and December with an average temp of 72°F, while the coldest months are July and June with an average of 59°F. The rainiest months in Chapecó are October, May, December, and June, with each month seeing an average of 10 inches of rainfall.