Vila seca, Spain offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Vila seca, Catalonia, Spain, is known for its proximity to the popular PortAventura World theme park. The best time to travel to Vila-seca, Spain, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!