Cadaveu, Spain offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Cadaveu, Asturias, Spain, is known for its proximity to the stunning Playa de Cadavedo and the picturesque Ermita de la Regalina. The best time to travel to Cadavedo, Spain, is in late spring or early fall when the average air temperature is around 68°F (20°C) and the water temperature is approximately 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!