Lucia, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Lucia, California, United States, is known for its proximity to the scenic Pacific Coast Highway and the breathtaking views of the Big Sur coastline. The best time to travel to Lucia, United States, is during the summer months when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!