Dimiao, Philippines offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Dimiao is known for the Twin Falls and the historic Ermita Ruins. The best time to travel to Dimiao, Philippines, is from December to May, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!