Anzio, Italy offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Anzio is known for its historical significance as the site of the Anzio and Nettuno Beachhead during World War II. The best time to travel to Anzio, 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!