About San Antonio Oeste, Rio Negro

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.

Recent weather here gives a sense of typical conditions: in 2025, San Antonio Oeste recorded a mean annual temperature of 61°F, ranging from 25°F lows in June to 107°F highs in January, with about 9 inches of precipitation across the year.