Neuharlingersiel, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Neuharlingersiel is known for its picturesque harbor, the Sielhof mansion, and the North Sea beach. The best time to travel to Neuharlingersiel, Germany, is from June to August, when the average air temperature is around 18-20°C (64-68°F) and the North Sea water temperature is approximately 17-19°C (63-66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!