With a population of around 17,000, San Antonio Oeste sits in Rio Negro, Argentina. The city operates in the America/Argentina/Salta time zone.
In 2025, San Antonio Oeste recorded an average annual temperature of 61°F. The hottest temperatures reached 107°F in January; the coolest were 25°F in June. Total precipitation for the year was 9 inches, with the wettest month being April.
View current conditions and forecast for San Antonio Oeste · More cities in Rio Negro