Taking the local weather in Itbayat Island into account can help you maximise your time at the pool during your trip. The hottest months are usually June and July, with an average temperature of 28°C, while the coldest months are January and February, with an average of 23°C. The rainiest months in Itbayat Island are August, September, July and October, with each month seeing an average of 341 mm of rainfall.