Mar del Plata Weather in August

August in Mar del Plata brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 6°C (43°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.

Rainfall in Mar del Plata in August

Typically, you can expect about 8 days of rain this month, with 61 mm (2.4 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Mar del Plata in August

Temperatures in Mar del Plata in August top out at 15°C (59°F) and drop to 6°C (43°F) overnight. The month of August belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Mar del Plata in August

The month brings about 171 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Mar del Plata in August

In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in August

At 11°C (52°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Mar del Plata.

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• January
• February
• March
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• May
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• August

• September
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• December

For a detailed overview over the year and the best time to visit Argentina, check out our Mar del Plata's climate page.

Mar del Plata Temperature in August

Min Temperature 6°C (43°F)  

Max Temperature 15°C (59°F)  

Water Temperature 11°C (52°F)  

Chance of Rain 26%  

Precipitation 61 mm (2.4 in)  

Rainy days 8 days  

Humidity 81%  

Windspeed 4 m/s (8 knots)  

Sunshine 171 hours  

Percentage Sunshine 46%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Mar del Plata typically stay consistent throughout August, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).

Average temperatures in August

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Mar del Plata in August

Browse day-by-day weather records for Mar del Plata spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Mar del Plata historical weather extremes in August

According to our 49 years of weather records for Mar del Plata, the following extremes were recorded between 1976 and 2025.

• On August 29, 2009, temperatures climbed to 30°C (86°F), marking the warmest August day on record.
• On August 2, 1982, Mar del Plata saw its coldest August day with temperatures maxing out at 3°C (37°F).
• The coldest night in August in Mar del Plata was on August 2, 1992, with a minimum of -5°C (23°F).

What to Wear in Mar del Plata in August

Pack for changing conditions in Mar del Plata in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Mar del Plata in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our Mar del Plata's climate page.

More climate data for Mar del Plata

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Mar del Plata climate overview or explore weather in Argentina.