January weather forecast and climate
Polonnaruwa, Sri Lanka

January, like December, in Polonnaruwa, Sri Lanka, is another warm winter month, with average temperature fluctuating between 23°C (73.4°F) and 29°C (84.2°F).

Temperature

January and December, with an average high-temperature of 29°C (84.2°F), are the coldest months.

Rainfall

In January, the rain falls for 6 days. Throughout January, 150mm (5.9") of precipitation is accumulated. Throughout the year, there are 105 rainfall days, and 1719mm (67.7") of precipitation is accumulated.

Daylight

Months with the shortest days are January and December, with an average of 11.7h of daylight.

Sunshine

In Polonnaruwa, the average sunshine is 7h.

UV index

In January, the average UV index is 11.

What is the coldest month in Polonnaruwa?

The coldest months in Polonnaruwa are January and December, with an average high-temperature of 29°C (84.2°F).

What is the temperature in January in Polonnaruwa?

The average high-temperature, in January, in Polonnaruwa, is 29°C (84.2°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in January in Polonnaruwa?

In January, in Polonnaruwa, the rain falls for 6 days. Throughout January, 150mm (5.9") of precipitation is accumulated.

What is the month with the shortest days in Polonnaruwa?

Months with the shortest days in Polonnaruwa are January and December, with an average of 11.7h of daylight.

How many hours of daylight does Polonnaruwa have in January?

In January, the average length of the day is 11.7h.

How many hours of sunshine does Polonnaruwa have in January?

In Polonnaruwa, the average sunshine in January is 7h.

How high is the UV index in January in Polonnaruwa?

In Polonnaruwa, the average UV index in January is 11.
Average temperature in January - Polonnaruwa, Sri Lanka
  • Average high temperature in January: 29°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 January: 23°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 January - Polonnaruwa, Sri Lanka
  • Average rainfall in January: 150mm

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

Average rainfall days in January - Polonnaruwa, Sri Lanka
  • Average rainfall days in January: 6 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 January / Average sunshine in January - Polonnaruwa, Sri Lanka
  • Average daylight in January: 11.7h

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 January: 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 January - Polonnaruwa, Sri Lanka
  • Average UV index in January: 11

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).

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