Medellín edges it in August. Buenos Aires averages 9–18°C with moderate crowds; Medellín 18–29°C with high crowds.
By Daan · Last reviewed October 2026
Buenos Aires and Medellín
The verdict for August
Tango festival and cold nights
+The Tango Festival and World Championship usually take place in August.
–Cold and damp conditions.
August has the Tango Festival and Championship, which brings a busy dance calendar.
Flower Fair
+The Feria de las Flores, the city's biggest festival.
–Very busy, with higher prices during the fair.
August hosts the Feria de las Flores, Medellín's signature festival, usually in the first half of the month, and the city is packed.
Scores and crowd levels are my own judgement; temperatures are monthly averages. Higher scores are better: quieter, cheaper and more pleasant.
Another month