La Union, in Valle del Cauca Department, Colombia, is home to roughly 41,000 people in the America/Bogota time zone at 4.5°N latitude.
In 2025, La Union recorded an average annual temperature of 73°F. The hottest temperatures reached 95°F in September; the coolest were 62°F in July. Total precipitation for the year was 118 inches, with the wettest month being March.
View current conditions and forecast for La Union · More cities in Valle del Cauca Department