Autumn in Buenos Aires 2025
After the summer fun activities, autumn creeps up in Buenos Aires
Best time: March, April, May, June
Golden autumn in Buenos Aires lasts from March to June, although the first day of autumn begins on March 21st. This is one of the best times of the year to be in Buenos Aires. The summer heat and humidity are replaced by mild temperatures. The weather is generally dry, although rainy periods may occur. The weather is highly changeable, with heat waves and chilly days equally possible. The first frost can come in May.