Planning for the weather is a good way to make your trip to Misahualli relaxing and enjoyable, especially when you’re splurging. The hottest months are usually September and October with an average temp of 66°F, while the coldest months are July and August with an average of 64°F. The rainiest months in Misahualli are April, May, June, and March, with each month seeing an average of 17 inches of rainfall.