Svelvik, Norway offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Svelvik is known for the Svelvikstrømmen, a narrow and scenic waterway that is a popular spot for boating and fishing. The best time to travel to Svelvik, Norway, is from 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!