Palhais, Portugal offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Palhais, Setubal, Portugal, is known for its proximity to the Arrabida Natural Park and the stunning beaches of the Setubal Peninsula. The best time to travel to Palhais, Portugal, is from May to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 65-72°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!