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Buenos Aires in March: Weather, Average temperature and Climate

Take a look at past year’s weather for Buenos Aires in March and see if it is worth visiting.
Check flight prices to Buenos Aires on Avionero:
March

Weather in Buenos Aires in March 2025

Good Weather
Warm
☀️
Sunny
🌊
Comfortable water
Are you considering a trip to Buenos Aires in March? Well, the weather is usually on your side with an average maximum temperature of +77°F and about 12 sunny days. Just keep in mind that there may be some rain, with an average of 9 rainy days and 93 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+77°F
Avg. max. temperature
+46°F
Min.
+99°F
Max.
93 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
12 ☀️
Sunny Days
6 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Buenos Aires has good weather in March.

Average temperature in Buenos Aires in March

Here are the expected maximum, average and minimum temperatures in Buenos Aires for March based on the historical data.
Last Year
Historical Data

The temperature in March is +84°F on average, with a range between a maximum of +95°F during the day and a minimum of +57°F at night.

The average maximum temperature goes down 62% by the end of the month, compared with the beginning of the month, from +93°F to +70°F.

Is Buenos Aires warm or cold in March?

Buenos Aires is typically warm in March.

Maximum temperatures go down compared to the previous month from +81°F to +77°F. The minimum temperature also goes down from +68°F to +64°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how March is compared to other months in Buenos Aires:

Water temperature in Buenos Aires in March

Water in Buenos Aires in March is Comfortable. It varies from +69°F to +75°F, with an average of +72°F. This is almost similar to the air temperature, which averages +77°F.

The water temperature in March is one of the warmest of the entire year:

The warmest water temperatures in Buenos Aires are reached in January, when the average sea temperature rises to +75°F. The coldest water temperatures are in July, with an average of +53°F.

Can you swim in Buenos Aires in March?

The water in Buenos Aires in March is pretty comfortable (+72°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don’t forget a large beach towel or two for drying off.

Climate in Buenos Aires in March

Buenos Aires weather looks like this, on average, in March and the surrounding months.
FebruaryMarchApril
Avg. temperature
+81°F+77°F+70°F
Min. temperature
+46°F+46°F+41°F
Max. temperature
+100°F+99°F+91°F
Rainfall
98 mm93 mm88 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+73°F+72°F+66°F
Humidity
70%72%75%
Air pressure
1012 HPa1013 HPa1015 HPa
Sunny days
111212
Cloudy days
567
Rainy days
898
Snowy days
000

March weather is still as good as in February. It’s getting colder in March. From +81°F in the day, the average maximum temperature lowers to +77°F. As March arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 98 mm to 93 mm. Humidity rises from 70% to 72%. The average wind speed doesn’t change much during March, staying around 3 m/s. The good news is there are likely to be more sunny days in March, from 11 to 12.

Next month (April) brings a further decline in the weather.

Wind

Wind speed in Buenos Aires in March based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Buenos Aires is gradually increasing during March, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during March in Buenos Aires based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in March stands at 32%, leading to total precipitation of around 59 mm. The maximum amount of rainfall per day is around 14 mm, which is considered light rain. March is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how March is compared with other months in the amount of precipitation, total mm:
Buenos Aires wettest month is October, where a typical day has a 32% chance of precipitation and 102 mm of rainfall per day. June, on the other hand, is the driest month with a mere 23% chance of precipitation and 48 mm of rainfall per day.

How was the weather last March in Buenos Aires?

This is the weather in Buenos Aires in March 2023:
1 March
☀️
+93°F
2 March
☀️
+90°F
3 March
☀️
+90°F
4 March
☀️
+90°F
5 March
☀️
+85°F
6 March
☀️
+88°F
7 March
☀️
+86°F
8 March
☀️
+85°F
9 March
☀️
+86°F
10 March
☀️
+93°F
11 March
☀️
+95°F
12 March
☀️
+92°F
13 March
☀️
+90°F
14 March
☀️
+93°F
15 March
☀️
+84°F
16 March
☁️
+85°F
17 March
☀️
+87°F
18 March
☁️
+82°F
19 March
☁️
+83°F
20 March
🌧️
+79°F
21 March
🌧️
+74°F
22 March
☀️
+75°F
23 March
☁️
+80°F
24 March
🌧️
+77°F
25 March
🌧️
+79°F
26 March
☀️
+74°F
27 March
☀️
+76°F
28 March
☀️
+83°F
29 March
☀️
+78°F
30 March
☁️
+71°F
31 March
☀️
+70°F
In March 2023 Buenos Aires had 22 sunny days, 5 cloudy days, and 4 rainy days. The average maximum temperature was +84°F, with an absolute maximum of +95°F and a minimum of +70°F. The average humidity was 71%, with a maximum of 94% and a minimum of 38%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in March?

Climate Change Over the Years

This is how Buenos Aires climate has changed over the last 43 years.

The climate in Buenos Aires in March has not changed that much over the last 43 years.

The average temperature was the lowest in 1983 (+67°F) and the highest in 2017 (+72°F). The driest year was 2008 with only 468 mm of rainfall, and the wettest year was 2014 with 1388 mm.

FAQ

Frequently asked questions about the weather in Buenos Aires in March:

Is March a good time to visit Buenos Aires?

March is a really good time to go to Buenos Aires. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Buenos Aires.

Can you sunbathe in Buenos Aires in March?

March is warm in Buenos Aires. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Can you swim in Buenos Aires in March?

Yes, the water temperature in Buenos Aires in March is considered moderate and enjoyable for most people, averaging around +72°F.

Is Buenos Aires rainy in March?

Buenos Aires is often rainy in March. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Buenos Aires in March?

The amount of sunny days in Buenos Aires during March varies; prepare for a mix of clouds and sun.

Other cities in Argentina

Check out the weather for other cities in Argentina.

Monthly weather in Buenos Aires

Source of the data

For this page, we’ve looked at the typical weather in Buenos Aires, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.