Quintana, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Quintana, Texas, United States, is known for its serene beaches and family-friendly coastal activities. The best time to travel to Quintana, United States, is from March to May, when the average air temperature ranges from 70°F to 85°F (21°C to 29°C) and the Gulf of Mexico water temperature is around 70°F to 75°F (21°C to 24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!