Olongapo, Philippines offers 61 beaches perfect for sunbathing, surfing, swimming, and more. Olongapo is known for Subic Bay Freeport Zone, Zoobic Safari, and Ocean Adventure. The best time to travel to Olongapo, Philippines, is from December to April, 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!