Barra de Cuatunalco, Mexico offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Barra de Cuatunalco is known for its pristine beaches and proximity to the Huatulco National Park. The best time to travel to Barra de Cuatunalco, Mexico, is between November and April, when the average air temperature is around 75-85°F (24-29°C) and the water temperature is approximately 78-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!