Os Muinos, Spain offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Os Muinos is known for its proximity to the stunning natural landscapes of the Serra do Xures and the Baixa Limia-Serra do Xures Natural Park. The best time to travel to Os Muinos, 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!