With a population of around 11,900, Nacozari Viejo sits in Sonora, Mexico. The city operates in the America/Hermosillo time zone.
Recent weather here gives a sense of typical conditions: in 2025, Nacozari Viejo recorded a mean annual temperature of 66°F, ranging from 19°F lows in January to 102°F highs in August, with about 19 inches of precipitation across the year.
View historical weather for Nacozari Viejo · More cities in Sonora