Calapan, Philippines offers 16 beaches perfect for sunbathing, surfing, swimming, and more. Calapan, MIMAROPA, Philippines, is known for the Calapan City Plaza and the Sto. Nino Cathedral. The best time to travel to Calapan, 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!