North Liberty, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. North Liberty, Iowa, United States, is known for the Coralville Lake and the nearby Devonian Fossil Gorge. The best time to travel to North Liberty, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and water temperature in nearby lakes 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!