San Esteban, Philippines offers 7 beaches perfect for sunbathing, surfing, swimming, and more. San Esteban is known for the Pinsal Falls, a popular natural attraction in the Ilocos Region, Philippines. The best time to travel to San Esteban, 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!