Buenos Aires Weather in March

During March, Buenos Aires experiences high daytime temperatures of 27°C (81°F) and cooler nights around 16°C (61°F). Expect quite a bit of rainfall. Around 87 mm (3.4 in) is typical.

Rainfall in Buenos Aires in March

You can expect rain on roughly 8 days based on historical data, averaging 87 mm (3.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Buenos Aires in March

The excellent temperature in Buenos Aires in March makes it a solid month to visit, with 27°C (81°F) during the day and 16°C (61°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Buenos Aires in March

Enjoy a sunny month with about 220 hours of sunshine, the clear skies make Buenos Aires even more beautiful.

Wind Speed in Buenos Aires in March

Wind speeds average 3 m/s (6 knots) during March. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in March

With water at 20°C (68°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.

If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit Buenos Aires.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
• November
• December

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

Buenos Aires Temperature in March

Min Temperature 16°C (61°F)  

Max Temperature 27°C (81°F)  

Water Temperature 20°C (68°F)  

Chance of Rain 27%  

Precipitation 87 mm (3.4 in)  

Rainy days 8 days  

Humidity 72%  

Windspeed 3 m/s (6 knots)  

Sunshine 220 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Buenos Aires typically stay consistent throughout March, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).

Average temperatures in March

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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 March

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Historical weather for Buenos Aires in March

Browse day-by-day weather records for Buenos Aires 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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Buenos Aires historical weather extremes in March

Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Buenos Aires.

• The hottest March day on record in Buenos Aires reached 39°C (102°F) (March 11, 2023).
• The lowest daytime temperature in March was 16°C (61°F), recorded on March 30, 1977.
• The coldest night in March in Buenos Aires was on March 16, 2013, with a minimum of 2°C (36°F).

What to Wear in Buenos Aires in March

Warm but pleasant conditions in Buenos Aires in March. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Buenos Aires in March

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Buenos Aires's climate page.

More climate data for Buenos Aires

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Buenos Aires climate overview or explore weather in Argentina.