Loma Larga, Mexico offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Loma Larga is known for its proximity to the ancient Zapotec ruins of Monte Alban. The best time to travel to Loma Larga, Mexico, is between November and April, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 78°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!