Plataforma, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Plataforma, Oaxaca, Mexico, is known for its vibrant cultural festivals and the historic Monte Alban archaeological site. The best time to travel to Plataforma, Mexico, is between November and April, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!