Weather in Buenos Aires in December
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for December in Buenos Aires.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youBuenos Aires in December is warm — daytime temperatures average 27.0°C, dropping to 19.2°C at night. The month is moderately rainy (7 rainy days), with roughly 12.6 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Buenos Aires — every month compared. Once you know when to go, find your Buenos Aires packing list at 247PackingList.
Get ready for Buenos Aires in December
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Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
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Get NordVPN →What to pack for Buenos Aires in December
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Buenos Aires
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 28.6°C | 82.7mm | 10/10 |
| February | 27.1°C | 73.7mm | 10/10 |
| March | 25.6°C | 139.4mm | 9/10 |
| April | 21.2°C | 87.6mm | 10/10 |
| May | 17.5°C | 54.2mm | 10/10 |
| June | 14.3°C | 30.5mm | 10/10 |
| July | 14.2°C | 50.3mm | 10/10 |
| August | 16.0°C | 33.8mm | 10/10 |
| September | 17.6°C | 74.3mm | 10/10 |
| October | 21.1°C | 64.3mm | 10/10 |
| November | 24.8°C | 79.5mm | 10/10 |
| December | 27.0°C | 73.0mm | 10/10 |
Full month-by-month guide: best time to visit Buenos Aires →
For facts about Argentina — currency, language and dialling code — see our Argentina country guide at 247CountryInfo. Travellers also find it useful to keep a Buenos Aires travel guide to hand. Check clothing sizes in Argentina before you shop.
Frequently Asked Questions
Is December a good time to visit Buenos Aires?
December rates 10/10 for visiting Buenos Aires — excellent time to visit. Expect average highs of 27.0°C, 73.0mm of rain across the month and about 12.6 hours of daily sunshine.
What is the temperature in Buenos Aires in December?
In December, Buenos Aires has average highs of 27.0°C (80.6°F) and average lows of 19.2°C (66.6°F).
Does it rain in Buenos Aires in December?
Some rain is likely. Buenos Aires averages 73.0mm across about 7 rainy days in December, so a light waterproof layer is worth packing.
What should I wear in Buenos Aires in December?
For Buenos Aires in December (27.0°C highs / 19.2°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Buenos Aires in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
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Compact TSA-friendly kit for peace of mind wherever you travel.
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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.