Rosolina Mare, Italy offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Rosolina Mare is known for its beautiful beaches and the nearby Po Delta Regional Park. The best time to travel to Rosolina Mare, Italy, is from June to September, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!