Polonnaruwa Weather in January
January in Polonnaruwa sees daytime temperatures around 30°C (86°F) and lows of 22°C (72°F) at night. With around 123 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Polonnaruwa in January
Historically, the month has about 6 days of rain, averaging 123 mm (4.8 in) in total. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Polonnaruwa in January
Daytime temperatures in Polonnaruwa reach 30°C (86°F) in January, dropping to 22°C (72°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are mild at around 22°C (72°F), which is comfortable for most people. This coolest month of the year still offers plenty of warmth and comfortable days.For Polonnaruwa itself, February generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Polonnaruwa's climate page.
Polonnaruwa Temperature in January
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
19%
Precipitation
123 mm (4.8 in)
Rainy days
6 days
Daily Historical Temperatures
48-year average (1976-2026)
Based on our historical records, temperatures in Polonnaruwa typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Daily Historical Precipitation
48-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Polonnaruwa in January
Browse day-by-day weather records for Polonnaruwa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Polonnaruwa historical weather extremes in January
Based on 21 years of weather observations in Polonnaruwa between 2004 and 2025, these are the recorded extremes.
- The hottest January day on record in Polonnaruwa reached 33°C (91°F) (January 5, 2024).
- On January 13, 2011, Polonnaruwa saw its coldest January day with temperatures maxing out at 24°C (75°F).
- The lowest overnight temperature recorded in January was 17°C (63°F) (January 25, 2006).
Best Places in Sri Lanka in January
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Polonnaruwa in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Polonnaruwa in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Polonnaruwa's climate page.
See the full Polonnaruwa climate overview or explore weather in Sri Lanka.
