Barum, Norway offers 1 beach perfect for sunbathing, surfing, swimming, and more. Barum, Viken, Norway, is known for its proximity to the scenic Oslofjord and the historic Henie Onstad Kunstsenter. The best time to travel to Barum, Norway, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!