Planning for the weather is an important factor for making your trip to Carabao Island a success, especially when you’re splurging. The hottest months are usually May and June with an average temp of 82°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Carabao Island are December, July, October, and January, with each month seeing an average of 13 inches of rainfall.