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 recorded an average annual temperature of 59°F. The hottest temperatures reached 100°F in December; the coolest were 30°F in July. Total precipitation for the year was 37 inches, with the wettest month being May.
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