Weatheo

Mar del Plata Weather by Month

Average temperatures, rainfall and humidity for Mar del Plata, Argentina, month by month, built from OpenWeather’s historical records. Use it to see what a typical Mar del Plata month looks like before you travel — then check the live Mar del Plata forecast for the days ahead.

Warmest month

January

26°C average high

Coolest month

July

6°C average low

Wettest month

July

60 mm of rain

Driest month

January

31 mm of rain

Average temperature and rainfall in Mar del Plata by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January26°C16°C5°C / 42°C
31 mm
75%18 km/h
February25°C16°C5°C / 38°C
35 mm
76%16 km/h
March23°C15°C5°C / 37°C
53 mm
77%16 km/h
April20°C13°C2°C / 29°C
51 mm
79%15 km/h
May16°C9°C-1°C / 40°C
41 mm
79%14 km/h
June14°C6°C-3°C / 23°C
42 mm
78%14 km/h
July13°C6°C-4°C / 21°C
60 mm
78%14 km/h
August14°C7°C-4°C / 32°C
38 mm
76%16 km/h
September15°C8°C-2°C / 28°C
47 mm
77%16 km/h
October18°C10°C-1°C / 33°C
48 mm
76%16 km/h
November21°C12°C1°C / 34°C
54 mm
74%18 km/h
December25°C15°C2°C / 37°C
42 mm
72%18 km/h

Best time to visit Mar del Plata

The most comfortable time to visit Mar del Plata is generally February to March and December, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rainfall is spread evenly across the months, totalling about 542 mm a year.

Travellers who prefer heat should aim for January, when highs average 26°C. July is the month to avoid if rain would spoil your plans — it averages 60 mm, roughly 2× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Mar del Plata forecast for what is happening now.

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