at the time of the massacre was in Janos trading with local merchants. Climate Janos has a semi-arid climate (Köppen climate classification BSk). In the Trewartha climate classification system Janos has a BSbk climate (semi-arid steppe with warm summers and cool winters). Winters are sunny with a January average of , but temperatures regularly fall below freezing. The town can have 2 or 3 snowfalls per year. June is the warmest month with an average of . Most of the precipitation falls from July to October during the monsoon season. The highest recorded temperature was on August 21, 1979 and the lowest recorded temperature was on December 9, 1978. References Populated places in Chihuahua (state) 1600s establishments in Mexico 1600s establishments in New Spain Missions in Mexico Wars involving Spain Wars involving Mexico Wars involving the indigenous peoples of North America