Las Conchas, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Las Conchas is known for its beautiful beaches and proximity to the popular tourist destination of Puerto Penasco. The best time to travel to Las Conchas, Mexico, is from November to April, with average air temperatures around 70-80°F and water temperatures ranging from 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!