Castellammare del Golfo, Italy offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Castellammare del Golfo is known for its stunning coastline, the Zingaro Nature Reserve, and the historic Arab-Norman Castle. The best time to travel to Castellammare del Golfo, Italy, is from May to September, with average air temperatures ranging from 70-85°F (21-29°C) and water temperatures around 70-78°F (21-26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!