Rock Canyon, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rock Canyon, New Mexico, United States, is known for the Elephant Butte Lake State Park. The best time to visit Rock Canyon, United States, is in late spring or early fall when the average air temperature is around 70°F (21°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!