Weather is only one factor, but it can really affect your travel plans, especially when you’re planning an extended stay in Quillabamba. The hottest months are usually September and October with an average temp of 54°F, while the coldest months are July and June with an average of 51°F. The rainiest months in Quillabamba are December, February, January, and March, with each month seeing an average of 13 inches of rainfall.