With a population of around 25,000, San Andres Itzapa sits in Chimaltenango, Guatemala. The city operates in the America/Guatemala time zone.
In 2025, San Andres Itzapa recorded an average annual temperature of 63°F. The hottest temperatures reached 83°F in March; the coolest were 48°F in April. Total precipitation for the year was 46 inches, with the wettest month being June.
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