Olga, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Olga is known for Moran State Park and its scenic hiking trails, including the climb to Mount Constitution. The best time to travel to Olga, United States, is during the summer months of June to August, when the average air temperature is around 70-75°F and the water temperature is approximately 55-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!