With a population of around 15,100, La Union sits in Narino, Colombia. The city operates in the America/Bogota time zone.
Recent weather here gives a sense of typical conditions: in 2025, La Union recorded a mean annual temperature of 63°F, ranging from 47°F lows in December to 84°F highs in September, with about 92 inches of precipitation across the year.
View historical weather for La Union · More cities in Narino