Hernando Beach, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hernando Beach, Florida, United States, is known for the Weeki Wachee Springs State Park and its famous mermaid shows. The best time to travel to Hernando Beach, United States, is from March 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!