Butler, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Butler, Oklahoma, United States, is known for its proximity to Foss State Park and the Foss Reservoir. The best time to travel to Butler, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!