Willingboro, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Willingboro is known for its proximity to Rancocas State Park and the historic Burlington County Prison Museum. The best time to travel to Willingboro, United States, is in late spring (May), 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!