Climate Insights for Buenos Aires
Climate Overview
The climate in Buenos Aires is warm and mild. The average annual temperature is 22°C and approximately 3,176 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 71°F and approximately 125 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 May, when average highs reach 26°C and the mean temperature sits around 22°C. February is the coolest month, with minimum temperatures around 18°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.Buenos Aires has relatively stable temperatures year-round, staying within a 16°F range. The warmest month is May, when average highs reach 80°F and the mean temperature sits around 72°F. February is the coolest month, with minimum temperatures around 64°F and an average of 69°F. Daily temperature variation is modest, with an average difference of 11°F between highs and lows.
Precipitation
Buenos Aires is a very wet location, receiving approximately 3,176 mm of precipitation annually, which averages out to around 265 mm per month. The wettest month is October, averaging 473 mm of rainfall. November and June also tend to see above-average precipitation. The driest month is March, with just 83 mm. That's 390 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 125 in of precipitation annually, which averages out to around 10.4 in per month. The wettest month is October, averaging 18.6 in of rainfall. November and June also tend to see above-average precipitation. The driest month is March, with just 3.3 in. That's 15.4 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 relatively calm, with an average annual wind speed of 6km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/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 9km/h in winter, 7km/h in spring, 4km/h in summer, 4km/h in autumn.Buenos Aires is relatively calm, with an average annual wind speed of 4mph. 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 September, with average winds dropping to 2mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5mph 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 6mph in winter, 4mph in spring, 3mph in summer, 2mph in autumn.
Best Time to Visit
The best time to visit Buenos Aires is during February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 84 mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 26°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 February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 70°F with modest rainfall averaging 3.3 in per month. By contrast, May can be uncomfortably hot with temperatures reaching 80°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.