Hermosillo, Mexico offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Hermosillo is known for its iconic Cerro de la Campana, the historic Catedral de la Asuncion, and the vibrant Plaza Zaragoza. The best time to travel to Hermosillo, Mexico, is from November to March, when the average air temperature is around 70-80°F (21-27°C) and the average water temperature is approximately 68-72°F (20-22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!