Guelaguechi, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Guelaguechi is known for its vibrant cultural festivals and traditional Zapotec heritage. The best time to travel to Guelaguechi, Mexico, is from November to April, with average air temperatures around 70-80°F (21-27°C) and water temperatures near 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!