Valadares, Portugal offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Porto is known for its stunning Douro River views and historic architecture, making it a popular travel destination. The best time to travel to Valadares, Portugal, is late spring to early autumn (May to September), when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the water temperature is around 18°C to 22°C (64°F to 72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!