Caoayan, Philippines offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Caoayan is known for its proximity to the historic city of Vigan, a UNESCO World Heritage Site. The best time to travel to Caoayan, Philippines, is from December to February, with average air temperatures around 77-86°F (25-30°C) and water temperatures near 81°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!