Sameiro, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sameiro is known for its scenic landscapes and proximity to the Serra da Estrela mountains rather than beach tourism. The best time to travel to Sameiro, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 18°C to 28°C (64°F to 82°F), and the nearby coastal water temperature is around 17°C to 21°C (63°F to 70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!