Tuesday's High: 79,... - San Miguel de Allende, Mexico - latimes.com Carlos Meade / Wikimedia / August 14, 2012 Tuesday's High: 79, chance of thunderstorms Saturday's high: 79, chance of thunderstorms Yes, we know there's a State Department travel advisory on Mexico. But according to the State Department, no advisory is in effect for San Miguel. We do advise you, however, to enjoy a city that's about 6,100 feet above sea level and to savor the colonial architecture in this UNESCO World Heritage Site.