January in Polonnaruwa averages 29C by day and 22C at night, with 130 mm of rain over about 16 wet days. It is the 5th wettest month of the year. Expect tour groups by mid-morning and tuk-tuks queued outside the museum.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 29C by day, 22C at night |
| Rainfall | 130 mm, about 16 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- Thai Pongal (mid-January, Tamil harvest festival observed in nearby plantation areas)
- Duruthu Perahera (Colombo, draws some day-trippers away)
What to Do This Season
- Cycle the full ruins loop in cool morning air before 9am
- Gal Vihara light hits the reclining Buddha's face well at sunrise
- Boat along the Parakrama Samudra reservoir edge at dusk
What to Watch Out For
- Book hotels ahead - this is the busiest month of the year
- Tour buses from Dambulla arrive mid-morning, clogging the quadrangle
What to Wear
Light cotton layers, a hat, and shoes you can slip off fast at temple entrances.
Is It Worth Visiting Now?
Yes - this is peak dry season with cool mornings, ideal for cycling the ruins without heat exhaustion.
More on Polonnaruwa
Flexible on dates? Compare Polonnaruwa in December and Polonnaruwa in February. The best time to visit Polonnaruwa sets all twelve months side by side. For what is open and worth it, see the things to do in Polonnaruwa. The main Polonnaruwa page covers costs and transport.
We plan trips to Polonnaruwa and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.