Henne, Denmark offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Henne is known for Henne Strand, a popular beach destination on the North Sea coast. The best time to travel to Henne, Denmark, is during the summer months of June to August, when the average air temperature is around 17°C (63°F) and the North Sea water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!