Climate Insights for Buenos Aires
Climate Overview
The climate in Buenos Aires is warm and mild. The average annual temperature is 24°C and approximately 2,656 mm of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Buenos Aires is warm and mild. The average annual temperature is 75°F and approximately 104.6 in of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Buenos Aires has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 25°C. February is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.Buenos Aires has relatively stable temperatures year-round, staying within a 15°F range. The warmest month is September, when average highs reach 83°F and the mean temperature sits around 77°F. February is the coolest month, with minimum temperatures around 68°F and an average of 73°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows.
Precipitation
Buenos Aires is a very wet location, receiving approximately 2,656 mm of precipitation annually, which averages out to around 221 mm per month. The wettest month is October, averaging 347 mm of rainfall. November and July also tend to see above-average precipitation. The driest month is March, with just 80 mm. That's 267 mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Buenos Aires is a very wet location, receiving approximately 104.6 in of precipitation annually, which averages out to around 8.7 in per month. The wettest month is October, averaging 13.7 in of rainfall. November and July also tend to see above-average precipitation. The driest month is March, with just 3.1 in. That's 10.5 in less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Buenos Aires is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Buenos Aires is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 3mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 2mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Buenos Aires is during March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 80 mm per month. By contrast, September can be uncomfortably hot with highs reaching 28°C, while February is the coldest period with lows dropping to 20°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Buenos Aires is during March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 74°F with modest rainfall averaging 3.1 in per month. By contrast, September can be uncomfortably hot with highs reaching 83°F, while February is the coldest period with lows dropping to 68°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
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.