With a population of around 13,200, San Jeronimo sits in Antioquia, Colombia. The city operates in the America/Bogota time zone.
In 2025, San Jeronimo recorded an average annual temperature of 76°F. The hottest temperatures reached 96°F in August; the coolest were 63°F in January. Total precipitation for the year was 79 inches, with the wettest month being June.
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