Emmersdorf an der Donau, Austria offers 1 beach perfect for sunbathing, surfing, swimming, and more. Emmersdorf an der Donau is known for its proximity to the UNESCO World Heritage Site of Wachau Valley and the Melk Abbey. The best time to travel to Emmersdorf an der Donau, Austria, is from June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature in the Danube River is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!