Weather in Buenos Aires in October
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for October in Buenos Aires.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youOctober in Buenos Aires is pleasantly mild, with average highs of 21.1°C and lows of 12.9°C. It is moderately rainy (7 rainy days), with roughly 10.7 hours of sunshine a day. It is one of the best months of the year to visit. 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 October
Search flights to Buenos Aires
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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 October
- 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 October a good time to visit Buenos Aires?
October rates 10/10 for visiting Buenos Aires — excellent time to visit. Expect average highs of 21.1°C, 64.3mm of rain across the month and about 10.7 hours of daily sunshine.
What is the temperature in Buenos Aires in October?
In October, Buenos Aires has average highs of 21.1°C (70.0°F) and average lows of 12.9°C (55.2°F).
Does it rain in Buenos Aires in October?
Some rain is likely. Buenos Aires averages 64.3mm across about 7 rainy days in October, so a light waterproof layer is worth packing.
What should I wear in Buenos Aires in October?
For Buenos Aires in October (21.1°C highs / 12.9°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Buenos Aires in October
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
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.