Niva, Denmark offers 1 beach perfect for sunbathing, surfing, swimming, and more. Niva is known for the Nivaagaard Museum, which houses an impressive collection of European art. The best time to travel to Niva, 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!