With a population of around 26,800, La Union sits in La Union, El Salvador. The city operates in the America/El Salvador time zone.
Recent weather here gives a sense of typical conditions: in 2025, La Union recorded a mean annual temperature of 84°F, ranging from 71°F lows in January to 104°F highs in April, with about 82 inches of precipitation across the year.
View historical weather for La Union · More cities in La Union