Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
While Cartagena captures an advantage on pure Weather (93 vs 92) with 35°C ambient temperatures, Medellín decisively captures December on Crowds (62 vs 53) and Prices (60 vs 53). Cartagena suffers from seasonal congestion and peak lodging premiums ($230/night), whereas Medellín delivers a more balanced, friction-free itinerary with approximately $777 in lodging savings on a 7-night stay ($119/night vs $230/night).