Climate Insights for Buenos Aires

The climate in Buenos Aires is hot. The average annual temperature is 26°C and approximately 2,011 mm of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, September. The coldest months are January, February, March, when temperatures can drop to 21°C.The climate in Buenos Aires is hot. The average annual temperature is 79°F and approximately 79.2 in of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, September. The coldest months are January, February, March, when temperatures can drop to 71°F.

Buenos Aires sees moderate temperature variation throughout the year, ranging from 21°C to 32°C. The warmest month is May, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.Buenos Aires has relatively stable temperatures year-round, staying within a 18°F range. The warmest month is May, when average highs reach 89°F and the mean temperature sits around 82°F. January is the coolest month, with minimum temperatures around 71°F and an average of 76°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows.

Buenos Aires is a very wet location, receiving approximately 2,011 mm of precipitation annually, which averages out to around 168 mm per month. The wettest month is June, averaging 280 mm of rainfall. October and August also tend to see above-average precipitation. The driest month is February, with just 50 mm. That's 230 mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Buenos Aires is a very wet location, receiving approximately 79.2 in of precipitation annually, which averages out to around 6.6 in per month. The wettest month is June, averaging 11 in of rainfall. October and August also tend to see above-average precipitation. The driest month is February, with just 2 in. That's 9.1 in less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Buenos Aires is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Buenos Aires is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months.

The best time to visit Buenos Aires is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 69 mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 32°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Buenos Aires is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 76°F with modest rainfall averaging 2.7 in per month. By contrast, May can be uncomfortably hot with temperatures reaching 89°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Buenos Aires based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Buenos Aires based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.