With a population of around 32,300, Chalchuapa sits in Santa Ana Department, El Salvador. The city operates in the America/El Salvador time zone.
In 2025, Chalchuapa recorded an average annual temperature of 76°F. The hottest temperatures reached 98°F in March; the coolest were 63°F in January. Total precipitation for the year was 53 inches, with the wettest month being June.
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