Spokane, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Spokane, Washington, United States, is known for its beautiful Riverfront Park and the annual Lilac Festival. The best time to travel to Spokane is from June to September, with average air temperatures ranging from 60°F to 85°F and water temperatures in local lakes around 65°F to 75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!