About Buena Esperanza, San Luis's Climate & Weather History

Buena Esperanza, in San Luis, Argentina, is home to roughly 2,500 people in the America/Argentina/San Luis time zone at 34.8°S latitude.

In 2025, Buena Esperanza recorded an average annual temperature of 64°F. The hottest temperatures reached 104°F in December; the coolest were 24°F in June. Total precipitation for the year was 29 inches, with the wettest month being March.