Sao Simao, Portugal offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Sao Simao is known for its stunning beaches and scenic coastal landscapes. The best time to travel to São Simão, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the water temperature is around 18°C to 22°C (64°F to 72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!