Arauco, in La Rioja, Argentina, is home to roughly 13,700 people in the America/Argentina/La Rioja time zone at 28.6°S latitude.
In 2025, Arauco averaged an annual temperature of 68°F, with hottest temperatures reaching 106°F in February and lowest around 30°F in June. The city received approximately 3 inches of precipitation during the year.
View historical weather for Arauco · More cities in La Rioja