Lido delle Nazioni, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lido delle Nazioni is known for its expansive beaches and the Po Delta Regional Park. The best time to travel to Lido delle Nazioni, Italy, is from June 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!