Weather is probably a major factor when you plan your trip to Carenero Island, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and June, with an average temperature of 26°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Carenero Island are November, July, December and October, with each month seeing an average of 402 mm of rainfall.