Bosa, Italy offers 19 beaches perfect for sunbathing, surfing, swimming, and more. Bosa is known for its colorful houses along the Temo River, the medieval Malaspina Castle, and the historic district of Sa Costa. The best time to travel to Bosa, Italy, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°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!