Buenos Aires in Summer — Weather & What to Expect
Summer in Buenos Aires (December, January, February) averages daytime highs of 27.6°C and lows of 19.8°C, with around 229.4mm of rain across the season (23 rainy days in total). It includes some of the best months of the year to visit (December, January, February).
In the southern hemisphere, summer in Buenos Aires covers December, January, February.
Summer in Buenos Aires month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| December | 27.0°C | 19.2°C | 73.0mm | 7 | 10/10 |
| January | 28.6°C | 21.0°C | 82.7mm | 9 | 10/10 |
| February | 27.1°C | 19.2°C | 73.7mm | 7 | 10/10 |
What to pack for Buenos Aires in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Frequently Asked Questions
Is summer a good time to visit Buenos Aires?
Summer in Buenos Aires rates around 10/10 — excellent time to visit. Average highs are 27.6°C with 229.4mm of rain across the season.
How hot is Buenos Aires in summer?
Daytime highs average 27.6°C (81.7°F) across December, January, February, with nights around 19.8°C.
What months are summer in Buenos Aires?
Buenos Aires is in the southern hemisphere, so summer covers December, January, February.
See also: best time to visit Buenos Aires · Buenos Aires annual climate · Buenos Aires in spring · Buenos Aires in autumn · Buenos Aires in winter
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Once you know what summer 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.
Summer 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 summer 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.