Polonnaruwa
Sri Lanka
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Polonnaruwa, Sri Lanka

August, the last month of the summer, in Polonnaruwa, is another hot month, with average temperature varying between 25°C (77°F) and 32°C (89.6°F).

Temperature

In August, the average high-temperature remains the same as in July - a still tropical 32°C (89.6°F). In August, in Polonnaruwa, the average low-temperature is 25°C (77°F).

Rainfall

In Polonnaruwa, during August, the rain falls for 7 days and regularly aggregates up to 74mm (2.9") of precipitation. Throughout the year, there are 105 rainfall days, and 1719mm (67.7") of precipitation is accumulated.

Daylight

In August, the average length of the day is 12.4h.

Sunshine

In August, the average sunshine is 7h.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 12 in August transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in August in Polonnaruwa?

In Polonnaruwa, in August, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in August in Polonnaruwa?

In Polonnaruwa, Sri Lanka, in August, during 7 rainfall days, 74mm (2.9") of precipitation is typically accumulated.

How many hours of daylight does Polonnaruwa have in August?

The average length of the day in August in Polonnaruwa, Sri Lanka, is 12.4h.

How long on average sun shines in August in Polonnaruwa?

In August, the average sunshine in Polonnaruwa, Sri Lanka, is 7h.

What is the month with the highest UV index in Polonnaruwa?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in August in Polonnaruwa?

The average daily maximum UV index in August is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in August - Polonnaruwa, Sri Lanka
  • Average high temperature in August: 32°C

Warmest months (with the highest average high temperature) are April, May and June (33°C).
Months with the lowest average high temperature are January and December (29°C).

  • Average low temperature in August: 25°C

Months with the highest average low temperature are April, May, June, July and August (25°C).
Coldest months (with the lowest average low temperature) are January, February, November and December (23°C).

Average rainfall in August - Polonnaruwa, Sri Lanka
  • Average rainfall in August: 74mm

The wettest month (with the highest rainfall) is December (322mm).
The driest month (with the lowest rainfall) is June (48mm).

Average rainfall days in August - Polonnaruwa, Sri Lanka
  • Average rainfall days in August: 7 days

The month with the highest number of rainy days is November (15 days).
The month with the lowest number of rainy days is February (5 days).

Average daylight in August / Average sunshine in August - Polonnaruwa, Sri Lanka
  • Average daylight in August: 12.4h

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).

  • Average sunshine in August: 7h

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are June, July, September, October, November and December (Average sunshine: 6).

Average UV index in August - Polonnaruwa, Sri Lanka
  • Average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).