Arboga, Sweden offers 1 beach perfect for sunbathing, surfing, swimming, and more. Arboga is known for its historic Old Town and the annual Arboga Medieval Festival. The best time to travel to Arboga, Sweden, is during the summer months of June to August, when the average air temperature is around 18-22°C (64-72°F) and water temperature is approximately 17-20°C (63-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!