Taking into account the local weather in El Ombú is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually January and December with an average temp of 77°F, while the coldest months are July and June with an average of 62°F. The rainiest months in El Ombú are October, January, May, and December, with each month seeing an average of 9 inches of rainfall.