Mar del Plata Weather in October

Mar del Plata in October sees pleasant temperatures, with highs around 18°C (64°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 84 mm (3.3 in) on average, so pack waterproofs just in case.

Rainfall in Mar del Plata in October

Typically around 10 days of rainfall are expected, averaging 84 mm (3.3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Mar del Plata in October

October in Mar del Plata brings pleasant temperatures, with highs of 18°C (64°F) and nights around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Mar del Plata in October

Expect a lot of sunshine this month, with about 212 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Mar del Plata in October

October has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in October

The water temperature is only 13°C (55°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
• April

• May
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• August

• September
• October
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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 October

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Water Temperature 13°C (55°F)  

Chance of Rain 33%  

Precipitation 84 mm (3.3 in)  

Rainy days 10 days  

Humidity 80%  

Windspeed 5 m/s (10 knots)  

Sunshine 212 hours  

Percentage Sunshine 51%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Mar del Plata typically stay consistent throughout October, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).

Average temperatures in October

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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 October

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

Historical weather for Mar del Plata in October

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 October

Based on 49 years of weather observations in Mar del Plata between 1976 and 2025, these are the recorded extremes.

• The warmest day in October was on October 28, 2021, with a maximum of 34°C (93°F).
• On October 3, 2020, Mar del Plata saw its coldest October day with temperatures maxing out at 9°C (48°F).
• The coldest night in October in Mar del Plata was on October 3, 1991, with a minimum of -2°C (28°F).

What to Wear in Mar del Plata in October

For Mar del Plata in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 13°C (55°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mar del Plata in October

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

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

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.