Weather can make or break a roadtrip, so here's some data about year-round temperatures in Caño El Tigre to help you plan yours: The hottest months are usually September and August with an average temp of 77°F, while the coldest months are January and December with an average of 74°F. The rainiest months in Caño El Tigre are May, April, July, and March, with each month seeing an average of 11 inches of rainfall.