Planning for the weather is an important factor for making your trip to Joya de los Sachas a success, especially when you're splurging. The hottest months are usually September and October with an average temp of 77°F, while the coldest months are July and June with an average of 74°F. The rainiest months in Joya de los Sachas are May, April, June, and March, with each month seeing an average of 18 inches of rainfall.