Arenella, Italy offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Arenella, Sicily, Italy, is known for its beautiful beaches and proximity to the historic city of Syracuse. The best time to travel to Arenella, Italy, is from May to September, with average air temperatures ranging from 75°F to 85°F and water temperatures from 70°F to 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!