Le Roy, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Le Roy, Illinois, United States, is known for the Moraine View State Recreation Area. The best time to travel to Le Roy, United States, is in late spring (May to June) when the average air temperature is around 60-70°F, and water temperatures in nearby lakes are typically around 50-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!