Santa Monica, United States offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Santa Monica is known for the Santa Monica Pier, Third Street Promenade, and Pacific Park. The best time to travel to Santa Monica is from September to November, with average air temperatures around 70°F (21°C) and water temperatures around 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!