Vila Real de Santo Antonio, Portugal offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Vila Real de Santo Antonio is known for its Pombaline architecture and the Guadiana River. The best time to travel to Vila Real de Santo Antonio, Portugal, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!