Argentina Buenos Aires Weather in March (Early Autumn · Top Pick) — Climate Guide
March (Early Autumn · Top Pick) in Buenos Aires is very-high
Buenos Aires Weather in March (Early Autumn · Top Pick) — Quick Answer
As of 2026- Avg temp
- 26° / 18°
- Rainfall
- 130mm · 9 days
- Crowds
- Busy
As of 2026, Buenos Aires in March (Early Autumn · Top Pick) averages a high of 26°C and low of 18°C with 130mm of rain over about 9 days. Autumn. Short sleeves plus a jacket.
March (Early Autumn · Top Pick) is very-high for Buenos Aires.
March is a top season — comfortable weather and a lively city.
Travel score
Buenos Aires March (Early Autumn · Top Pick) Weather Stats
Avg High
26°C
Avg Low
18°C
Rainy Days
9
130mm total
Sunshine
8h
Daily avg
Humidity
75%
comfortable
UV Index
9
Very high
Wind
13 km/h
Gusts 26
Sea Temp
0°C
no swimming
Crowds
Busy
At attractions
March (Early Autumn · Top Pick) Sunrise & Sunset
Air Quality
PM2.5
18 μg/m³
PM10
38 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
28°C
Nighttime
18°C
Humidity and wind affect how the actual temperature feels.
Wind
13 km/h
Max gust 26 km/h
Activities Recommended for March (Early Autumn · Top Pick)
March (Early Autumn · Top Pick) Travel Pros & Cons
Pros
- A great 26/18°C climate
- Lollapalooza crowds
Cons
- Hotels start to climb
March (Early Autumn · Top Pick) Events & Festivals
- Lollapalooza Argentina (March) — a peak-season draw
Buenos Aires in March (Early Autumn · Top Pick) — Full Picture
March is a top season — comfortable weather and a lively city.
What to Wear & What to Pack
Autumn. Short sleeves plus a jacket.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current22°C
14.3°C
8/mo
Summer (Jun·Jul·Aug)
14.7°C
7.7°C
7/mo
Autumn (Sep·Oct·Nov)
21.7°C
12°C
8.7/mo
Winter (Dec·Jan·Feb)
29°C
20°C
8.3/mo
Buenos Aires Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Summer · Best) (Best) | 30° | 21° | 9d·120mm | 9h | 70% | 11 | Very busy | Peak |
| February (Summer) (Best) | 29° | 20° | 8d·110mm | 9h | 70% | 11 | Very busy | Peak |
| 26° | 18° | 9d·130mm | 8h | 75% | 9 | Busy | Peak | |
| April (Autumn · Best) (Best) | 22° | 14° | 8d·100mm | 7h | 75% | 6 | Busy | Peak |
| May (Late Autumn) (Best) | 18° | 11° | 7d·90mm | 6h | 80% | 4 | Moderate | Shoulder |
| 14° | 8° | 7d·60mm | 5h | 80% | 3 | Quiet | Low season | |
| 14° | 7° | 7d·60mm | 5h | 80% | 3 | Quiet | Low season | |
| 16° | 8° | 7d·70mm | 6h | 75% | 5 | Busy | Peak | |
| 18° | 9° | 8d·80mm | 7h | 70% | 7 | Busy | Peak | |
| October (Spring · Top Pick) (Best) | 22° | 12° | 9d·100mm | 8h | 70% | 9 | Very busy | Peak |
| 25° | 15° | 9d·110mm | 9h | 70% | 11 | Very busy | Peak | |
| 28° | 19° | 8d·100mm | 9h | 70% | 11 | Very busy | Peak |
View Other Months
Buenos Aires March (Early Autumn · Top Pick) Hotel Picks
Frequently Asked Questions
Is March (Early Autumn · Top Pick) a good time to visit Buenos Aires?
Buenos Aires in March (Early Autumn · Top Pick) is very-high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Buenos Aires in March (Early Autumn · Top Pick)?
Buenos Aires March (Early Autumn · Top Pick) averages a high of 26°C and a low of 18°C.
Does it rain much in Buenos Aires in March (Early Autumn · Top Pick)?
Buenos Aires March (Early Autumn · Top Pick) averages 130mm of rainfall over about 9 rainy days.
What should I wear in Buenos Aires in March (Early Autumn · Top Pick)?
Autumn. Short sleeves plus a jacket.
What time are sunrise and sunset in Buenos Aires in March (Early Autumn · Top Pick)?
Buenos Aires March (Early Autumn · Top Pick) sunrise is 07:00 and sunset is 19:15, with 12h 15min of daylight.
What's the air quality like in Buenos Aires in March (Early Autumn · Top Pick)?
Buenos Aires March (Early Autumn · Top Pick) air quality (AQI) averages 45, rated Good. PM2.5 averages 18μg/m³.
What activities are recommended in Buenos Aires in March (Early Autumn · Top Pick)?
In March (Early Autumn · Top Pick), Buenos Aires is great for Tango, Recoleta, Lollapalooza.
Is March (Early Autumn · Top Pick) peak season in Buenos Aires?
Buenos Aires March (Early Autumn · Top Pick) crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Buenos Aires
View Other Months
Planning a March (Early Autumn · Top Pick) trip to Buenos Aires?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.