The weather in Colombo in August is very hot. The average temperatures are between 26°C and 29°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Colombo.
Colombo 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 Colombo in August 2025.
If you’re planning to visit Colombo in the near future, we highly recommend that you review the 14 day weather forecast for Colombo before you arrive.
Temperatures
29° / 26°
Rainy Days
20
Snowy Days
0
Dry Days
11
Rainfall
608
mm
Sun Hours
10.3
Hrs
