Sistelo, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sistelo is known for its stunning terraced landscapes and scenic hiking trails. The best time to travel to Sistelo, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 18°C to 28°C (64°F to 82°F) and water temperatures in nearby rivers are typically cooler, around 15°C to 20°C (59°F to 68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!