December in Sigiriya averages 28C by day and 22C at night, with 219 mm of rain over about 22 wet days. It is the 3rd wettest month of the year. Book the rock climb and accommodation well in advance.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 28C by day, 22C at night |
| Rainfall | 219 mm, about 22 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- Christmas and New Year holiday period (mid-to-late December) drives international arrivals
What to Do This Season
- Clearing skies for the rock climb by mid-month
- Boat ride on Hiriwadunna Lake with full reservoir levels
What to Watch Out For
- Early December can still carry monsoon tail-end rain
- Book accommodation well ahead for the Christmas/New Year window - prices spike
What to Wear
Light layers for daytime heat, with a light jacket for cooler, breezy mornings.
Is It Worth Visiting Now?
Yes, especially from mid-month
More on Sigiriya
Flexible on dates? Compare Sigiriya in November and Sigiriya in January. The best time to visit Sigiriya sets all twelve months side by side. For what is open and worth it, see the things to do in Sigiriya. The main Sigiriya page covers costs and transport.
We plan trips to Sigiriya and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.