Grieben, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Grieben, Mecklenburg Vorpommern, Germany, is known for its proximity to the scenic Mecklenburg Lake District and the Müritz National Park. The best time to travel to Grieben, Germany, 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 lakes 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!