Weather will likely play an important role when you plan your trip to Itbayat Island, but bear in mind that cheaper options are usually available when the weather isn't as good. 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.