San Luis Obispo, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. San Luis Obispo is known for its historic Mission San Luis Obispo de Tolosa, the vibrant Thursday Night Farmers' Market, and the quirky Bubblegum Alley. The best time to travel to San Luis Obispo is from May to October, with average air temperatures ranging from 60°F to 80°F and water temperatures around 55°F to 65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!