Valhelhas, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Valhelhas is known for its picturesque river beach and natural beauty. The best time to travel to Valhelhas, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the river water temperature is pleasantly warm for swimming, typically around 18°C to 24°C (64°F to 75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!