Sao Teotonio, Portugal offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Sao Teotonio is known for its proximity to the stunning Costa Vicentina, part of the Southwest Alentejo and Vicentine Coast Natural Park. The best time to travel to Sao Teotonio, Portugal, is from May to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 64-72°F (18-22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!