San Ignacio, Mexico offers 4 beaches perfect for sunbathing, surfing, swimming, and more. San Ignacio is known for its historic San Ignacio de Loyola Church and the scenic Sierra Madre Occidental mountains. The best time to travel to San Ignacio, Mexico, is from November to April, with average air temperatures around 70-80°F (21-27°C) and water temperatures 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!