May in Mirissa averages 29C by day and 25C at night, with 307 mm of rain over about 29 wet days. It is the 2nd wettest month of the year. Most beach activities become impossible.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 29C by day, 25C at night |
| Rainfall | 307 mm, about 29 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Crowds low season.
Prices low.
Events and Festivals
- Vesak Day (Buddha's birthday)
- No major beach events
What to Do This Season
- Lowest accommodation prices
- Vesak lantern displays
- Good time for spa treatments
What to Watch Out For
- Heavy daily rainfall
- Dangerous swimming conditions
- Many tour operators close
- Road flooding possible
What to Wear
Full rain gear, waterproof footwear
Pack Heavy-duty rain jacket, Waterproof backpack, Extra dry clothes.
Is It Worth Visiting Now?
No - southwest monsoon begins with heavy rain and rough seas
Best for extreme budget travellers, those interested in local culture over beaches.
More on Mirissa
Flexible on dates? Compare Mirissa in April and Mirissa in June. 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.