Weather in Buenos Aires in March 2025
Average weather
Average temperature in Buenos Aires in March
The temperature in March is +29°C on average, with a range between a maximum of +35°C during the day and a minimum of +14°C at night.
The average maximum temperature goes down 62% by the end of the month, compared with the beginning of the month, from +34°C to +21°C.
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 +27°C to +25°C. The minimum temperature also goes down from +20°C to +18°C.
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 +20°C to +24°C, with an average of +22°C. This is almost similar to the air temperature, which averages +25°C.
The water temperature in March is one of the warmest of the entire year:
Can you swim in Buenos Aires in March?
Travel to Buenos Aires
Climate in Buenos Aires in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +25°C | +21°C | ||||
| Min. temperature | ||||||
| +8°C | +8°C | +5°C | ||||
| Max. temperature | ||||||
| +38°C | +37°C | +33°C | ||||
| Rainfall | ||||||
| 98 mm | 93 mm | 88 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +23°C | +22°C | +19°C | ||||
| Humidity | ||||||
| 70% | 72% | 75% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 11 | 12 | 12 | ||||
| Cloudy days | ||||||
| 5 | 6 | 7 | ||||
| Rainy days | ||||||
| 8 | 9 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
March weather is still as good as in February. It’s getting colder in March. From +27°C in the day, the average maximum temperature lowers to +25°C. 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
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
How was the weather last March in Buenos Aires?
Climate Change over Years
The climate in Buenos Aires in March has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+20°C) and the highest in 2017 (+22°C). The driest year was 2008 with only 468 mm of rainfall, and the wettest year was 2014 with 1388 mm.
FAQ
Is March a good time to visit Buenos Aires?
Can you sunbathe in Buenos Aires in March?
Can you swim in Buenos Aires in March?
Is Buenos Aires rainy in March?
Is it sunny in Buenos Aires in March?
How much does it cost to fly to Buenos Aires in March?
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.