Buenos Aires weather

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Usually in October
- 22
- 13
- 7
Weather by month
Now Today
- 28
- 8
5-day forecast

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The weather guide for Buenos Aires, Argentina shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Which is the hottest month in Buenos Aires?

The hottest time of year in Buenos Aires is normally January. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Buenos Aires?

In terms of rainfall, March is usually the wettest month in Buenos Aires with 121mm on average. There are normally 8 days in March with some rain.

When is it sunniest in Buenos Aires?

The sunniest time of year in Buenos Aires is normally February with bright sunshine on average for 64% of daylight hours; that's 9 hours of sunshine per day.