Minturno, Italy offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Minturno is known for the ancient Roman ruins of Minturnae and the medieval Castle of Minturno. The best time to travel to Minturno, Italy, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 70°F to 78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!