Orbetello, Italy offers 20 beaches perfect for sunbathing, surfing, swimming, and more. Orbetello is known for its unique lagoon setting and the nearby Monte Argentario promontory. The best time to travel to Orbetello, Italy, is from May to September, when the average air temperature ranges from 70°F to 85°F and the water temperature is around 70°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!