Obidos, Portugal offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Obidos is known for its charming medieval architecture and proximity to beautiful beaches. The best time to travel to Óbidos, Portugal, is from May to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the average water temperature is around 18°C to 20°C (64°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!