Aveiro, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aveiro is known for its picturesque canals, colorful moliceiro boats, and beautiful sandy beaches. The best time to travel to Aveiro, Portugal, is from May to September, when the average air temperature ranges from 20°C to 27°C (68°F to 81°F) and the average water temperature is around 18°C to 21°C (64°F to 70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!