What to pack for Buenos Aires in October
- t-shirts and light layers
- a light jacket for evenings
- a packable rain layer
Humidity averages 70%; max daily wind around 26 km/h.
How October compares
Best months in Buenos Aires: February–May & September–December. See the full best time to visit Buenos Aires guide.
Buenos Aires in October: the details
In October, Buenos Aires sees average daytime highs of 21°C (70°F) and overnight lows of 13°C (56°F). Rainfall totals roughly 87 mm across 7.8 rainy days, and the sun shines about 10.2 hours per day with 12.9 hours of daylight mid-month. Relative humidity averages 70%.
In context: October is the 6th-warmest month and the 4th-wettest in Buenos Aires. The sunniest month is December (12.4 h/day).
| Metric | October average |
|---|---|
| Daytime high | 21°C / 70°F |
| Overnight low | 13°C / 56°F |
| Rainfall | 87 mm over 7.8 rainy days |
| Sunshine | 10.2 h/day (12.9 h daylight) |
| Humidity | 70% |
| Travel score | 9.8 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Buenos Aires, Argentina (-34.61, -58.38) — see our methodology. Actual conditions vary year to year.
Not set on Buenos Aires? Browse the best places to visit in October ranked by travel score.
Frequently asked questions
How hot is Buenos Aires in October?
Daytime highs in Buenos Aires in October average 21°C (70°F); nights drop to about 13°C.
Does it rain in Buenos Aires in October?
Expect around 7.8 rainy days and 87 mm of rainfall in October.
Is October a good time to visit Buenos Aires?
October is one of the best months to visit Buenos Aires. Overall travel score: 9.8/10. The best months are February–May & September–December.
Also good in October, near Buenos Aires
Where should you go next month?
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