Pesenthein, Austria offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Pesenthein is known for its proximity to Millstatter See, a picturesque lake popular for water sports and scenic views. The best time to travel to Pesenthein, Austria, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature in nearby Lake Millstatt is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!