Hagbyhamn, Sweden offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hagbyhamn, Kalmar County, Sweden, is known for its proximity to the Oland Bridge and the Kalmar Castle. The best time to travel to Hagbyhamn, Sweden, is during the summer months of June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!