Ringwood, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Ringwood, New Jersey, United States, is known for the Ringwood State Park and the historic Ringwood Manor. The best time to travel to Ringwood, United States, is in late spring (May to June) when the average air temperature is around 65-75°F, and nearby lake water temperatures are typically 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!