Puerto de San Juan, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Puerto de San Juan, Canary Islands, Spain, is known for its proximity to the stunning Teide National Park and the picturesque Los Gigantes cliffs. The best time to travel to Puerto de San Juan, Spain, is from June to September, with average air temperatures around 75-85°F (24-29°C) and water temperatures around 70-75°F (21-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!