The weather in Cartagena in August is very hot. The average temperatures are between 26°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Cartagena.
Cartagena should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Cartagena in August 2025.
If you’re planning to visit Cartagena in the near future, we highly recommend that you review the 14 day weather forecast for Cartagena before you arrive.
Temperatures
32° / 26°
Rainy Days
18
Snowy Days
0
Dry Days
13
Rainfall
256
mm
Sun Hours
11.3
Hrs
