Best Time to Visit Cartagena
The best time to visit Cartagena is December to April, when the average temperature is 27–28°C and rainfall is low for Cartagena, at 2–60 mm a month.
Cartagena weather by month
The wettest month in Cartagena is October with 242 mm of rain, and the warmest is June at an average 29°C. The coolest is January at 27°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | 27°C / 81°F | 2 mm | Best |
| February | 28°C / 82°F | 3 mm | Best |
| March | 28°C / 82°F | 10 mm | Best |
| April | 28°C / 83°F | 60 mm | Best |
| May | 28°C / 83°F | 178 mm | Wet |
| June | 29°C / 84°F | 135 mm | Hot |
| July | 29°C / 83°F | 160 mm | Wet |
| August | 29°C / 83°F | 160 mm | Wet |
| September | 28°C / 83°F | 182 mm | Wet |
| October | 28°C / 83°F | 242 mm | Wet |
| November | 28°C / 83°F | 181 mm | Wet |
| December | 28°C / 82°F | 56 mm | Best |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Cartagena: under 150 mm, and no more than 184 mm, a quarter above Cartagena's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 184 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Rafael Núñez International (CTG) at 10.44, -75.51. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.