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 recorded an average annual temperature of 68°F. The hottest temperatures reached 106°F in February; the coolest were 30°F in June. Total precipitation for the year was 3 inches, with the wettest month being February.
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