About Santa Rosa de Lima, La Union's Climate & Weather History

Santa Rosa de Lima, in La Union, El Salvador, is home to roughly 13,200 people in the America/El Salvador time zone at 13.6°N latitude.

In 2025, Santa Rosa de Lima recorded an average annual temperature of 83°F. The hottest temperatures reached 106°F in March; the coolest were 67°F in October. Total precipitation for the year was 68 inches, with the wettest month being September.