Castiglione, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Castiglione, Campania, Italy, is known for its proximity to the Amalfi Coast and the historic ruins of Pompeii. The best time to travel to Castiglione, Italy, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 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!