Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 24° | 5 | 26 | 0 | 69 mm | Good | Colombo in January |
| February | 32° / 24° | 5 | 23 | 0 | 71 mm | Good | Colombo in February |
| March | 32° / 26° | 9 | 22 | 0 | 135 mm | Ok | Colombo in March |
| April | 32° / 27° | 13 | 17 | 0 | 246 mm | Ok | Colombo in April |
| May | 30° / 27° | 18 | 13 | 0 | 637 mm | Ok | Colombo in May |
| June | 29° / 26° | 21 | 9 | 0 | 736 mm | Ok | Colombo in June |
| July | 29° / 26° | 20 | 11 | 0 | 595 mm | Ok | Colombo in July |
| August | 29° / 26° | 20 | 11 | 0 | 608 mm | Ok | Colombo in August |
| September | 29° / 26° | 15 | 15 | 0 | 475 mm | Ok | Colombo in September |
| October | 30° / 26° | 15 | 16 | 0 | 383 mm | Ok | Colombo in October |
| November | 30° / 25° | 14 | 16 | 0 | 300 mm | Ok | Colombo in November |
| December | 30° / 25° | 9 | 22 | 0 | 159 mm | Ok | Colombo in December |