Lourinha e Atalaia, Portugal offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Lourinha e Atalaia is known for its beautiful beaches and rich dinosaur fossil discoveries. The best time to travel to Lourinhã e Atalaia, Portugal, is from late spring to early fall (May to September), when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the average sea temperature is between 17°C and 21°C (63°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!