If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Carenero Island: 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.