Rosignano Marittimo, Italy offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Rosignano Marittimo is known for its stunning Spiagge Bianche beaches and the nearby Castiglioncello, a popular seaside resort. The best time to travel to Rosignano Marittimo, 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!