With a population of around 2,900, San Martin Chalchicuautla sits in San Luis Potosi, Mexico. The city operates in the Central Time Zone.
In 2025, San Martin Chalchicuautla recorded an average annual temperature of 76°F. The hottest temperatures reached 112°F in March; the coolest were 41°F in January. Total precipitation for the year was 75 inches, with the wettest month being June.
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