Weather is probably a major factor when you plan your trip to Las Jarretaderas, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June with an average temp of 79°F, while the coldest months are February and January with an average of 71°F. The rainiest months in Las Jarretaderas are August, September, July, and June, with each month seeing an average of 10 inches of rainfall.