August in Colombo averages 28C by day and 25C at night, with 241 mm of rain over about 28 wet days. It is the 6th wettest month of the year. Crowds stay thin and hotel rates remain low. This is arguably the best-value month for independent travellers.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 28C by day, 25C at night |
| Rainfall | 241 mm, about 28 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- No major events
What to Do This Season
- Galle Face Green sunset without the January crowds
- Colombo National Museum and nearby Viharamahadevi Park in the same afternoon
What to Watch Out For
- Still Sri Lanka's southwest monsoon season overall - short showers can appear with little warning
What to Wear
Light cotton or linen clothing, comfortable shoes for extended walking.
Is It Worth Visiting Now?
Yes
More on Colombo
Flexible on dates? Compare Colombo in July and Colombo in September. The best time to visit Colombo sets all twelve months side by side. For what is open and worth it, see the things to do in Colombo. The main Colombo page covers costs and transport.
We plan trips to Colombo and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.