Ilhavo, Portugal offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Ilhavo is known for the Vista Alegre porcelain factory and the Maritime Museum of Ilhavo. The best time to travel to Ilhavo, Portugal, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 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!