Garita, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Garita, Oaxaca, Mexico, is known for its proximity to the ancient Zapotec ruins of Monte Alban. The best time to travel to Garita, Mexico, is from November to April, with average air temperatures around 75°F (24°C) and water temperatures near 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!