Vinhais, Portugal offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Vinhais is not particularly known for travel and beach tourism. The best time to travel to Vinhais, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 15°C to 25°C (59°F to 77°F) and water temperatures in nearby rivers and lakes are generally cooler, averaging around 15°C to 20°C (59°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!