Polonnaruwa Weather in August
August in Polonnaruwa brings extremely high temperatures around 36°C (97°F) during the day, dropping to 26°C (79°F) at night, with some rainfall expected.
Rainfall in Polonnaruwa in August
Past climate data indicates that roughly 7 days will see rain, totalling around 32 mm (1.3 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Polonnaruwa in August
August in Polonnaruwa brings typical temperatures with highs around 36°C (97°F) and lows of 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.August in Polonnaruwa has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 August
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Polonnaruwa typically stay consistent throughout August, with daily highs averaging around 36°C (97°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Polonnaruwa in August
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 August
Our historical data for Polonnaruwa spans 2003 to 2025, revealing these weather extremes.
- The warmest day in August was on August 11, 2023, with a maximum of 40°C (104°F).
- Polonnaruwa experienced its chilliest August day on August 21, 2010, reaching only 26°C (79°F).
- Polonnaruwa registered its coldest August night on August 17, 2015, with temperatures dropping to 23°C (73°F).
Best Places in Sri Lanka in August
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 August →
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What to Wear in Polonnaruwa in August
Pack for serious heat in Polonnaruwa in August. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket.What To Do in Polonnaruwa in August
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.