The weather in Buenos Aires in March is hot. The average temperatures are between 17°C and 30°C. Usually the days in March are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Buenos Aires during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Buenos Aires in March 2025.
If you’re planning to visit Buenos Aires in the near future, we highly recommend that you review the 14 day weather forecast for Buenos Aires before you arrive.