Castanheira de Pera, Portugal offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Castanheira de Pera is known for Praia das Rocas, a popular wave pool and leisure complex. The best time to travel to Castanheira de Pera, Portugal, is from June to September, with average air temperatures around 25°C (77°F) and water temperatures around 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!