About Franco, Guanajuato's Climate & Weather History

With a population of around 4,300, Franco sits in Guanajuato, Mexico. The city operates in the Central Time Zone.

In 2025, Franco recorded an average annual temperature of 67°F. The hottest temperatures reached 97°F in May; the coolest were 40°F in January. Total precipitation for the year was 29 inches, with the wettest month being June.