Washington Harbor, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Washington Harbor, Washington, United States, is known for its proximity to the iconic National Mall, the Smithsonian Institution, and the United States Capitol. The best time to travel to Washington Harbor, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
