There's nothing like an all-inclusive vacation in Ceibas to rejuvenate you, especially when you know what kind of weather to expect. Here's some info to help you choose when to book: The hottest months are usually January and December with an average temp of 75°F, while the coldest months are July and June with an average of 54°F. June and May are the driest months while February and March are the rainiest months.