Vila Nova de Gaia, Portugal offers 19 beaches perfect for sunbathing, surfing, swimming, and more. Vila Nova de Gaia is known for its Port wine cellars and stunning views of the Douro River. The best time to travel to Vila Nova de Gaia, Portugal, is from May to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!