Rosemary Beach, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Rosemary Beach is known for its charming European-inspired architecture and pristine white-sand beaches. The best time to visit Rosemary Beach is in late spring (April to May) when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!