Sellin, Germany offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Sellin is known for the Sellin Pier, a historic and picturesque pier on the Baltic Sea. The best time to travel to Sellin, Germany, is from June to August, with average air temperatures around 20°C (68°F) and water temperatures around 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!