About Mar del Plata, Buenos Aires

Mar del Plata, in Buenos Aires, Argentina, is home to roughly 593,000 people in the America/Argentina/Buenos Aires time zone at 38°S latitude.

In 2025, Mar del Plata averaged an annual temperature of 59°F, with hottest temperatures reaching 100°F in December and lowest around 30°F in July. The city received approximately 37 inches of precipitation during the year.