May in Galle 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. While Vesak celebrations provide cultural highlights, outdoor activities become severely limited and many businesses reduce operations.
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 (full moon)
- Temple illuminations and decorations
What to Do This Season
- Vesak festival creates beautiful temple displays
- Indoor cultural sites less crowded
What to Watch Out For
- Heavy daily rainfall
- Rough seas unsafe for swimming
- Many beach restaurants close
- Flooding possible in low areas
What to Wear
Waterproof everything, quick-dry clothes, sturdy water-resistant shoes
Is It Worth Visiting Now?
No - southwest monsoon begins with heavy rains and rough seas
More on Galle
Flexible on dates? Compare Galle in April and Galle in June. The best time to visit Galle sets all twelve months side by side. For what is open and worth it, see the things to do in Galle. The main Galle page covers costs and transport.
We plan trips to Galle and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.