Buenos Aires in Autumn — Weather & What to Expect
Autumn in Buenos Aires (March, April, May) averages daytime highs of 21.4°C and lows of 14.9°C, with around 281.2mm of rain across the season (20 rainy days in total). It includes some of the best months of the year to visit (March, April, May).
In the southern hemisphere, autumn in Buenos Aires covers March, April, May.
Autumn in Buenos Aires month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| March | 25.6°C | 19.3°C | 139.4mm | 9 | 9/10 |
| April | 21.2°C | 14.8°C | 87.6mm | 7 | 10/10 |
| May | 17.5°C | 10.6°C | 54.2mm | 4 | 10/10 |
What to pack for Buenos Aires in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Light waterproof layer
- Warm layers
Frequently Asked Questions
Is autumn a good time to visit Buenos Aires?
Autumn in Buenos Aires rates around 10/10 — excellent time to visit. Average highs are 21.4°C with 281.2mm of rain across the season.
How hot is Buenos Aires in autumn?
Daytime highs average 21.4°C (70.5°F) across March, April, May, with nights around 14.9°C.
What months are autumn in Buenos Aires?
Buenos Aires is in the southern hemisphere, so autumn covers March, April, May.
See also: best time to visit Buenos Aires · Buenos Aires annual climate · Buenos Aires in spring · Buenos Aires in summer · Buenos Aires in winter
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Once you know what autumn in Buenos Aires looks like, find out exactly what to pack for Buenos Aires at 247PackingList. For currency, language and country facts, see the Argentina guide at 247CountryInfo.
Autumn in Buenos Aires — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Argentina at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.