Planning for the weather is a good way to make your trip to Popoyo relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and March with an average temp of 83°F, while the coldest months are January and February with an average of 81°F. The rainiest months in Popoyo are October, September, June, and August, with each month seeing an average of 12 inches of rainfall.