Cerveteri, Italy offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Cerveteri is known for the Banditaccia Necropolis, a UNESCO World Heritage Site. The best time to travel to Cerveteri, Italy, is from May to September, with average air temperatures ranging from 70°F to 85°F and sea 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!