Climate Insights for Buenos Aires
Climate Overview
The climate in Buenos Aires is hot. The average annual temperature is 25°C and approximately 1,377 mm of precipitation falls per year. October is the wettest month, receiving around 278 mm of rainfall. Buenos Aires is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are February, January, March, when temperatures can drop to 20°C.The climate in Buenos Aires is hot. The average annual temperature is 77°F and approximately 54.2 in of precipitation falls per year. October is the wettest month, receiving around 11 in of rainfall. Buenos Aires is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are February, January, March, when temperatures can drop to 68°F.
Temperature
Buenos Aires sees moderate temperature variation throughout the year, ranging from 20°C to 32°C. The warmest month is April, when average highs reach 32°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Buenos Aires sees moderate temperature variation throughout the year, ranging from 68°F to 89°F. The warmest month is April, when average highs reach 89°F and the mean temperature sits around 80°F. February is the coolest month, with minimum temperatures around 68°F and an average of 76°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.
Precipitation
Buenos Aires is a fairly wet location, receiving approximately 1,377 mm of precipitation annually, which averages out to around 115 mm per month. The wettest month is October, averaging 278 mm of rainfall. June and September also tend to see above-average precipitation. The driest month is January, with just 8 mm. That's 271 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 fairly wet location, receiving approximately 54.2 in of precipitation annually, which averages out to around 4.5 in per month. The wettest month is October, averaging 10.9 in of rainfall. June and September also tend to see above-average precipitation. The driest month is January, with just 0.3 in. That's 10.7 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.
Wind
Buenos Aires is mildly breezy, with an average annual wind speed of 14km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/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 18km/h in winter, 14km/h in spring, 13km/h in summer, 10km/h in autumn.Buenos Aires is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6mph 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 11mph in winter, 9mph in spring, 8mph in summer, 6mph in autumn.
Best Time to Visit
The best time to visit Buenos Aires is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 14 mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Buenos Aires is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 75°F with modest rainfall averaging 0.6 in per month. By contrast, April can be uncomfortably hot with temperatures reaching 89°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
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.