Vallensbaek, Denmark offers 1 beach perfect for sunbathing, surfing, swimming, and more. Chiclana de la Frontera is known for its beautiful beaches like Playa de la Barrosa and the Sancti Petri Castle. The best time to travel to Vallensbaek, Denmark, is during the summer months of June to August, when the average air temperature is around 17-20°C (63-68°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!