Loreto, Mexico offers 22 beaches perfect for sunbathing, surfing, swimming, and more. Loreto is known for the Loreto Bay National Marine Park and the historic Mission of Our Lady of Loreto. The best time to travel to Loreto, Mexico, is from November to April, when the average air temperature is around 70-80°F (21-27°C) and the water temperature is approximately 68-75°F (20-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!