Weather is probably a major factor when you plan your trip to Mindo, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and September with an average temp of 54°F, while the coldest months are July and August with an average of 54°F. The rainiest months in Mindo are April, March, November, and December, with each month seeing an average of 15 inches of rainfall.