May in Unawatuna averages 29C by day and 26C at night, with 415 mm of rain over about 30 wet days. It is the wettest month of the year. Most beach activities become impossible, and many tourist facilities operate on reduced hours or close entirely.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 29C by day, 26C at night |
| Rainfall | 415 mm, about 30 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- Vesak Day celebrations
- Local fishing festivals
What to Do This Season
- Cultural experiences with locals
- Lowest accommodation prices
What to Watch Out For
- Swimming dangerous due to rough seas
- Many beach restaurants close
- Transport delays common
- High risk of flooding
What to Wear
Waterproof clothing, sturdy shoes with good grip, and layers for varying conditions
Is It Worth Visiting Now?
No - peak monsoon season with heavy rainfall and rough seas make this the worst time for beach activities
More on Unawatuna
Flexible on dates? Compare Unawatuna in April and Unawatuna in June. The best time to visit Unawatuna sets all twelve months side by side. For what is open and worth it, see the things to do in Unawatuna. The main Unawatuna page covers costs and transport.
We plan trips to Unawatuna and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.