Paco de Arcos, Portugal offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Paco de Arcos is known for its charming coastal views and proximity to beautiful beaches. The best time to travel to Paco de Arcos, Portugal, is late spring to early fall (May to September), when the average air temperature ranges from 18°C to 28°C (64°F to 82°F) and the water temperature is around 17°C to 21°C (63°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!