Oeiras e Sao Juliao da Barra, Portugal offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Oeiras e Sao Juliao da Barra is known for its beautiful beaches and vibrant coastal atmosphere. The best time to travel to Oeiras e São Julião da Barra, 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 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!
