The weather in Cartagena in August is very hot. The average temperatures are between 25°C and 27°C, drinking water regularly is advisable.
As it is almost never rain during August in Cartagena the weather is perfect for hanging out outside and exploring all that Cartagena has to offer.
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
27° / 25°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
11
mm
Sun Hours
11.8
Hrs