Praia da Vieira, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Praia da Vieira is known for its beautiful sandy beaches and vibrant seaside atmosphere. The best time to travel to Praia da Vieira, Portugal, is from June to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the average sea temperature is around 18°C to 20°C (64°F to 68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!