01Weather
Buenos Aires weather in October
Afternoons in October average 22.4 °C (72 °F) and nights cool to 14.1 °C (57 °F). The month brings about 149 mm (5.9 in) of rain spread over roughly 10 days. Compared with September it is 3.2 °C warmer; November is 3.3 °C warmer again.
What the averages hide
| In a typical October | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 28 °C / 82 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 18 °C / 64 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 10 °C / 51 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 0.8 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Chance of rain on any given day | 33 % | at least 1 mm |
| Hottest / coldest October day 2016–2025 | 34.6 °C / 6.3 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 October | 06:30 | 18:56 | 12.4 h |
| 15 October | 06:11 | 19:07 | 12.9 h |
| 31 October | 05:52 | 19:21 | 13.5 h |
Daylight grows by about 66 minutes over the month. Times are local (America/Argentina/Buenos_Aires), including the clock change on the last Sunday of October.
03Crowds
How busy Buenos Aires is in October
busy The main sights are busy in October. What drives it:
- jacaranda season
- Columbus Day weekend
- pleasant spring weather
04Public holidays
Public holidays in October 2027
| Date | Holiday |
|---|---|
| 11 Oct 2027 | Day of Respect for Cultural Diversity |
On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.
05Events
What's on in Buenos Aires in October
Every year in October
| Event | When | Type |
|---|---|---|
| Jacaranda season | late October to November, Palermo and Recoleta | seasonal |
07Packing
What to pack for Buenos Aires in October
- layers: t-shirt plus a light jacket for evenings
- comfortable walking shoes
- a compact umbrella or hooded rain jacket, rain falls on roughly one day in three
08Editor's notes
What the numbers don't tell you
October is warm and bright, with afternoons around 22 °C, the jacarandas beginning to flower late in the month along the avenues of Palermo and Recoleta, the Columbus Day long weekend around 12 October and outdoor cafés full. It is one of the two best months to visit, and hotels fill with South American and European visitors. Rain falls on about nine days.
The Buenos Aires Marathon runs in September or October. The Rosedal in Palermo is in full bloom. The Argentine Open polo preparations begin. Daylight grows from twelve and a half hours to thirteen and a half. For the jacarandas at their peak, the Pride March and the Polo Open, see November.
09Compare
Buenos Aires month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 30 °C | 21 °C | 10 | – | moderate | Excellent |
| February | 29 °C | 21 °C | 10 | – | moderate | Excellent |
| March | 26 °C | 19 °C | 9 | – | busy | Good |
| April | 23 °C | 16 °C | 10 | – | busy | Good |
| May | 19 °C | 12 °C | 8 | – | moderate | Excellent |
| June | 16 °C | 9 °C | 6 | – | quiet | Good |
| July | 15 °C | 8 °C | 8 | – | moderate | Good |
| August | 17 °C | 10 °C | 8 | – | quiet | Excellent |
| September | 19 °C | 12 °C | 8 | – | moderate | Excellent |
| October | 22 °C | 14 °C | 10 | – | busy | Good |
| November | 26 °C | 17 °C | 9 | – | busy | Excellent |
| December | 28 °C | 19 °C | 9 | – | busy | Good |
Not sure about October? See the best time to visit Buenos Aires.
10Elsewhere
October in nearby cities
| City | High | Rain days |
|---|---|---|
| Rio de Janeiro in October | 27 °C | – |
| Cancún in October | 30 °C | – |
| Miami in October | 31 °C | 11 |
| Orlando in October | 29 °C | 3 |
| New York City in October | 20 °C | 7 |
| Toronto in October | 16 °C | 10 |
11FAQ
Buenos Aires in October: your questions
Is October a good time to visit Buenos Aires?
October is a good month to visit Buenos Aires. Daytime highs average 22 °C (72 °F), rain falls on about 10 days, and hotel arrivals run above the yearly average, so the main sights are busy.
What is the weather like in Buenos Aires in October?
Expect mild days around 22 °C (72 °F) and nights near 14 °C (57 °F). One October in ten brings afternoons above 28 °C, and one in ten stays below 18 °C.
Does it rain a lot in Buenos Aires in October?
October brings about 149 mm (5.9 in) of rain over roughly 10 days, which is showery by Buenos Aires standards. On any given day the chance of at least 1 mm of rain is 33 percent.
What should I wear in Buenos Aires in October?
Pack layers: t-shirt plus a light jacket for evenings, comfortable walking shoes, a compact umbrella or hooded rain jacket, rain falls on roughly one day in three.
Is Buenos Aires crowded in October?
The main sights are busy in October. Main drivers: jacaranda season; Columbus Day weekend; pleasant spring weather.
What time does it get dark in Buenos Aires in October?
Around the middle of October the sun sets at about 19:07 and rises at 06:11, giving 12.9 hours of daylight.