Weather in Buenos Aires in January
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn January, Buenos Aires sees average highs of 28.6°C (83.5°F) and lows of 21.0°C. Conditions are hot and fairly wet (9 rainy days on average), with roughly 11.9 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 January
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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 January
- 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 January a good time to visit Buenos Aires?
January rates 10/10 for visiting Buenos Aires — excellent time to visit. Expect average highs of 28.6°C, 82.7mm of rain across the month and about 11.9 hours of daily sunshine.
What is the temperature in Buenos Aires in January?
In January, Buenos Aires has average highs of 28.6°C (83.5°F) and average lows of 21.0°C (69.8°F).
Does it rain in Buenos Aires in January?
Some rain is likely. Buenos Aires averages 82.7mm across about 9 rainy days in January, so a light waterproof layer is worth packing.
What should I wear in Buenos Aires in January?
For Buenos Aires in January (28.6°C highs / 21.0°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Buenos Aires in January
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.