The highest day temperature in May 2025 was 91°F. The lowest night temperature was 81°F. The average values for day and night temperatures during May were 88.5°F и 83.1°F respectivly.

The average sea surface temperature in May 2025 for Cartagena was 89.0°F. The maximum and minimum values were 86.4°F and 91.0°F respectively.

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation total in May for Cartagena is 2.7 in.

The average wind speed in May is 5.9 mph. It makes May one of the most windless months of the year for Cartagena.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cartagena in May is 5.2 hours.