Esmoriz, Portugal offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Esmoriz, Aveiro, Portugal, is known for its beautiful beaches and the Buçaquinho Environmental Park. The best time to travel to Esmoriz, 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!