Santa Catalina, Philippines offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Santa Catalina, Ilocos Region, Philippines, is known for its scenic beaches and vibrant local festivals. The best time to travel to Santa Catalina, 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!