Borinquen, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Borinquen, Puerto Rico, United States, is known for its stunning beaches and the historic Rafael Hernandez Airport. The best time to travel to Borinquen, United States, is from December to April, with average air temperatures around 75-85°F and water temperatures near 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!