Tahueca, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tahueca, Oaxaca, Mexico, is known for its vibrant Guelaguetza festival and the historic Santo Domingo Church. The best time to travel to Tahueca, 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!