Buenos Aires weather in March
Buenos Aires in March averages 22°C (72°F), 123 mm of rain and 7.4 hours of sun a day.
Of the twelve months in Buenos Aires, March is the fourth warmest, the second wettest and the fifth sunniest.

- Average temp
- 22°C (72°F)
19–26°C · 65–78°F
- Rainfall
- 123 mm
Showers likely
- Sunshine
- 7.4 h
hours per day
What is Buenos Aires like in March?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Buenos Aires in March?
A light rain jacket
About 123 mm falls this month — showers rather than washouts.
March compared with February and April
March in Buenos Aires is 1.3°C cooler than February and 30 mm wetter than it, which averages 23°C (74°F).
March in Buenos Aires is 3.6°C warmer than April and about as wet as it, which averages 18°C (65°F).
Daylight in Buenos Aires in March
On 15 March the sun is up for 12 hours 18 minutes in Buenos Aires, rising about 06:53 and setting about 19:10 local time.
March ends 1 hour 5 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 10 minutes short of December, the longest-lit month here.
Where to stay in Buenos Aires
Dates are a starting point for March.

Travel guides for Buenos Aires
What to read before you book.
Buenos Aires weather by month
TemperatureRainfall
How March compares with the rest of the year
March is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 25°C / 76°F | 135 mm |
| February | 23°C / 74°F | 94 mm |
| March | 22°C / 72°F | 123 mm |
| April | 18°C / 65°F | 122 mm |
| May | 15°C / 60°F | 85 mm |
| June | 12°C / 54°F | 54 mm |
| July | 11°C / 53°F | 50 mm |
| August | 13°C / 56°F | 52 mm |
| September | 15°C / 58°F | 58 mm |
| October | 18°C / 64°F | 98 mm |
| November | 21°C / 69°F | 87 mm |
| December | 23°C / 74°F | 107 mm |
Check another month
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FAQs about Buenos Aires in March
March climate averages for Buenos Aires, 1991–2020.
Buenos Aires averages 22°C (72°F) in March, ranging from about 19°C (65°F) at night to 26°C (78°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 123 mm falls across March, enough to need a light jacket but not enough to reshape a trip.
Yes. March averages 22°C (72°F) against 18°C (65°F) in April — 3.6°C warmer.
March is 1.3°C cooler than February, and 30 mm wetter.
Yes. March falls inside the most comfortable stretch of the year here, February to April, on temperature and rainfall together.
About 7.4 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what March is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 18 minutes of daylight in mid-March, against 14 hours 28 minutes in December and 9 hours 51 minutes in June.
On 15 March, sunrise is about 06:53 and sunset about 19:10 local time. Both shift across the month — the month ends 1 hour 5 minutes shorter than it starts.

