Segundo Bosque, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Segundo Bosque, Baja California Sur, Mexico, is known for its proximity to the Sierra de la Laguna Biosphere Reserve. The best time to travel to Segundo Bosque, Mexico, is from November to April, with average air temperatures around 70°F (21°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!