Casiguran, Philippines offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Casiguran, Central Luzon, Philippines, is known for the Casiguran Sound and the pristine beaches of Casapsapan Beach. The best time to travel to Casiguran, 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!