Clearwater, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Clearwater is known for Clearwater Beach and the Clearwater Marine Aquarium. The best time to travel to Clearwater, United States, is from March to May, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!