If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Naranjos Agrios: The hottest months are usually April and March with an average temp of 82°F, while the coldest months are November and December with an average of 78°F. The rainiest months in Naranjos Agrios are October, September, June, and August, with each month seeing an average of 15 inches of rainfall.