About San Julian, Jalisco's Climate & Weather History

With a population of around 12,900, San Julian sits in Jalisco, Mexico. The city operates in the Central Time Zone.

In 2025, San Julian recorded an average annual temperature of 65°F. The hottest temperatures reached 91°F in May; the coolest were 38°F in January. Total precipitation for the year was 31 inches, with the wettest month being June.