Asa, Sweden offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Asa, Halland County, Sweden, is known for its proximity to the scenic Lake Asunden and the historic Asa Church. The best time to travel to Asa, 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!