March in Cartagena averages a daily high of 21.2°C with nights around 7.6°C. Expect roughly 5.4 wet days totalling 36.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cartagena is February–May.
Based on MURCIA ALCANTARILLA, SP (45.1km), 1995–2024. 30 years of March data.