Buenos Aires climate and temperatures

Climate type
Mediterranean
Best time to visit
September – November
Avg. temperature
14°C – 30°C
Annual rainfall
600 mm
Warmest month
August (35°C)
Coldest month
January (11°C)
Driest month
July (22 mm)
Wettest month
October (84 mm)

The climate of Buenos Aires is Temperate oceanic climate (Köppen: Cfa), with warm summers and precipitation throughout the year. Monthly temperatures range from a minimum of 15°C in winter (June–August) to a maximum of 31°C in summer (December–February). The average annual temperature is around 23°C.

During the winter months, nighttime temperatures can drop to an average of 5°C, while summer nights average around 19°C.

Climate table of Buenos Aires

The climate table below gives you a clear overview of the climate in Buenos Aires by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 14 16 17 19 23 27 30 30 27 23 18 16
Temp. min (°C) 6 7 9 11 15 19 22 22 19 15 10 7
Rainfall
Droplet
Droplet
Droplet
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Rainfall (mm) 46 34 46 64 43 23 22 75 77 84 61 25
UV index 4 5 6 7 8 8 8 8 6 5 4 4

Best time to visit Buenos Aires

The best time to visit Buenos Aires is March, April, May en August. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between March and August, average high temperatures range roughly from 27°C to 17°C, while rainfall remains limited. For a city trip, round trip, or active holiday, May are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is January, with an average daytime temperature of around 31°C. The driest month is May, with about 33 mm of rainfall, while February is usually the wettest month of the year, with approximately 106 mm. Snow plays virtually no role in the climate here.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Buenos Aires. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Buenos Aires. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Buenos Aires. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Buenos Aires based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Buenos Aires over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Buenos Aires

The weather in Buenos Aires is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Buenos Aires? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Buenos Aires is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.