Overview: CartagenaCartagena (Colombia) is a place with a tropical climate. The day temperatures range from 31 °C (88 °F) in November to 32 °C (90 °F) in July. Temperatures during the night go from 23 °C (74 °F) in January to 25 °C (77 °F) in June. The least rainy month in Cartagena is February with its 1 day of rain, the rainiest month is October, when it rains 13 days. Sea temperatures are in the following range: 27 °C (80 °F) in March to 29 °C (85 °F) in June.