May in Cartagena averages a daily high of 27.4°C with nights around 13.6°C. Expect roughly 4.5 wet days totalling 25.6mm. 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 May data.