Bayan ng San Juan, Philippines offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bayan ng San Juan, Calabarzon, Philippines, is known for Laiya Beach, a popular destination for its white sand beaches and clear waters. The best time to travel to Bayan ng San Juan, 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!