Dayhagan, Philippines offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dayhagan, Bicol, Philippines, is known for its proximity to the stunning Mayon Volcano and the beautiful Caramoan Islands. The best time to travel to Dayhagan, Philippines, is from December to May, with average air temperatures around 77-86°F (25-30°C) and water temperatures approximately 81-84°F (27-29°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!