Debangan, Philippines offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Debangan, MIMAROPA, Philippines, is known for its pristine beaches and vibrant marine life. The best time to travel to Debangan, 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!