San Isidro is a city of approximately 45,200 people in Buenos Aires, Argentina. Located in the America/Argentina/Buenos Aires time zone at 34.5°S latitude.
Recent weather here gives a sense of typical conditions: in 2025, San Isidro recorded a mean annual temperature of 64°F, ranging from 30°F lows in July to 97°F highs in February, with about 47 inches of precipitation across the year.
View historical weather for San Isidro · More cities in Buenos Aires