Weather in Buenos Aires in October 2025
Average weather
Average temperature in Buenos Aires in October
The temperature in October is +70°F on average, with a range between a maximum of +79°F during the day and a minimum of +43°F at night.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +64°F to +61°F.
Is Buenos Aires warm or cold in October?
Buenos Aires is typically mild in October.
Maximum temperatures go up compared to the previous month from +64°F to +70°F. The minimum temperature also goes up from +52°F to +57°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Buenos Aires:
Water temperature in Buenos Aires in October
Water in Buenos Aires in October is Fresh. It varies from +60°F to +66°F, with an average of +63°F. This is almost similar to the air temperature, which averages +70°F.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Buenos Aires in October?
Climate in Buenos Aires in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +64°F | +70°F | +75°F | ||||
| Min. temperature | ||||||
| +32°F | +36°F | +43°F | ||||
| Max. temperature | ||||||
| +88°F | +95°F | +95°F | ||||
| Rainfall | ||||||
| 69 mm | 102 mm | 97 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +57°F | +63°F | +67°F | ||||
| Humidity | ||||||
| 72% | 71% | 68% | ||||
| Air pressure | ||||||
| 1017 HPa | 1015 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 11 | 10 | 11 | ||||
| Cloudy days | ||||||
| 9 | 7 | 6 | ||||
| Rainy days | ||||||
| 8 | 10 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as good as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +64°F to +70°F during the day. Prepare for more rain. Average rainfall goes from 69 mm to 102 mm. It feels drier, as humidity decreases from 72% to 71%. The average wind speed doesn’t change much during October, staying around 4 m/s. The days becoming less sunny, going from 11 sunny days in September to 10 in October.
November brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Buenos Aires is gradually increasing during October, going from 2 m/s to 7 m/s over the course of the month.
Rain
How was the weather last October in Buenos Aires?
Climate Change Over the Years
The climate in Buenos Aires in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+67°F) and the highest in 2017 (+72°F). The driest year was 2008 with only 468 mm of rainfall, and the wettest year was 2014 with 1388 mm.
FAQ
Is October a good time to visit Buenos Aires?
Can you sunbathe in Buenos Aires in October?
Can you swim in Buenos Aires in October?
Is Buenos Aires rainy in October?
Is it sunny in Buenos Aires in October?
Monthly weather in Buenos Aires
Source of the data
For this page, we’ve looked at the typical weather in Buenos Aires, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.