August in Mirissa averages 29C by day and 25C at night, with 190 mm of rain over about 26 wet days. It is the 5th wettest month of the year. Swimming remains risky but other activities become more feasible.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 29C by day, 25C at night |
| Rainfall | 190 mm, about 26 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- Kandy Esala Perahera (major Buddhist festival)
- No beach events
What to Do This Season
- Improving weather conditions
- Cultural festivals inland
- Great prices on accommodation
What to Watch Out For
- Sea still rough for swimming
- Afternoon thunderstorms common
- Limited whale watching
What to Wear
Light layers, rain protection still needed
Is It Worth Visiting Now?
Maybe - monsoon begins to weaken but conditions remain challenging
More on Mirissa
Flexible on dates? Compare Mirissa in July and Mirissa in September. The best time to visit Mirissa sets all twelve months side by side. For what is open and worth it, see the things to do in Mirissa. The main Mirissa page covers costs and transport.
We plan trips to Mirissa and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.