Reddick, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Reddick, Illinois, United States, is not particularly known for travel and beach tourism. The best time to travel to Reddick, United States, is in the spring (March to May) when the average air temperature is around 70-80°F, and water temperatures in nearby lakes are typically 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!