About Chalchuapa, Santa Ana Department's Climate & Weather History

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.