Baltrum, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Baltrum, Mecklenburg Vorpommern, Germany, is known for its serene beaches and the Jasmund National Park. The best time to visit Baltrum, Germany, is from June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!