Buenos Aires in December
Hot and festive
- Temperature
- 18–29°C
- Crowds
- High
- Prices
- $$$$
+Festive decorations and long evenings.
–Heat and higher prices around holidays.
December has hot weather and festive season crowds; prices rise towards New Year.
Buenos Aires vs Medellín in December
Medellín edges it in December. Buenos Aires averages 18–29°C with high crowds; Medellín 18–27°C with high crowds.
By Daan · Last reviewed October 2026
Buenos Aires and Medellín
The verdict for December
- WeatherMedellín has the better weather5.5/10 vs 7.5/10
- CrowdsVery similarHigh vs High
- PricesBuenos Aires is cheaper$$$$ vs $$$$
- OverallMedellín comes out ahead5.2/10 vs 6.2/10
Medellín in December
Alumbrados and festive spirit
- Temperature
- 18–27°C
- Crowds
- High
- Prices
- $$$$
+The Christmas lights on the Medellín river, a major draw.
–High prices and busy holiday crowds.
December is a festive highlight, with the Alumbrados lights display, but it is busy and expensive.
Scores and crowd levels are my own judgement; temperatures are monthly averages. Higher scores are better: quieter, cheaper and more pleasant.
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