Borgholm, Sweden offers 1 beach perfect for sunbathing, surfing, swimming, and more. Borgholm is known for Borgholm Castle and Solliden Palace in regard to tourism. The best time to travel to Borgholm, Sweden, is during the summer months of June to August, when the average air temperature is around 20°C (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!