San Justo is a city of approximately 105,000 people in Buenos Aires, Argentina. Located in the America/Argentina/Buenos Aires time zone at 34.7°S latitude.
In 2025, San Justo averaged an annual temperature of 65°F, with hottest temperatures reaching 101°F in December and lowest around 29°F in July. The city received approximately 46 inches of precipitation during the year.
View historical weather for San Justo · More cities in Buenos Aires