Climate Insights for Buenos Aires

The climate in Buenos Aires is hot. The average annual temperature is 26°C and approximately 2,184 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 22°C.The climate in Buenos Aires is hot. The average annual temperature is 78°F and approximately 86 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 72°F.

Buenos Aires has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is May, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 22°C and an average of 25°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 17°F range. The warmest month is May, when average highs reach 89°F and the mean temperature sits around 80°F. January is the coolest month, with minimum temperatures around 72°F and an average of 76°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows.

Buenos Aires is a very wet location, receiving approximately 2,184 mm of precipitation annually, which averages out to around 182 mm per month. The wettest month is October, averaging 313 mm of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 37 mm. That's 276 mm less than October, 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 86 in of precipitation annually, which averages out to around 7.2 in per month. The wettest month is October, averaging 12.3 in of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 1.5 in. That's 10.9 in less than October, 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 February, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 9km/h in spring, 7km/h in summer, 6km/h in autumn.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 February, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7mph in winter, 6mph in spring, 5mph in summer, 4mph in autumn.

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 59 mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 31°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 77°F with modest rainfall averaging 2.3 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.