Guinayangan, Philippines offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Guinayangan is known for the Guinayangan Mangrove Eco-Park and the annual Guinayangan Festival. The best time to travel to Guinayangan, Philippines, is from January 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!