Sinnai, Italy offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sinnai is known for its proximity to the stunning natural landscapes of the Sette Fratelli Regional Park and the beautiful beaches of Solanas. The best time to travel to Sinnai, Italy, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!