October weather forecast
Polonnaruwa, Sri Lanka

Weather in October

October, the same as September, in Polonnaruwa, Sri Lanka, is another tropical autumn month, with an average temperature varying between 23.2°C (73.8°F) and 32.7°C (90.9°F).

Temperature

In October, the average high-temperature is almost the same as in September - a still hot 32.7°C (90.9°F). In Polonnaruwa, in October, the average low-temperature is 23.2°C (73.8°F).

Heat index

The average heat index in October is computed to be a life-threatening hot 45°C (113°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, metabolic differences). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In October, the average relative humidity is 75%.

Rainfall

October is the month with the most rainfall. Rain falls for 22.6 days and accumulates 214mm (8.43") of precipitation.

Daylight

In October, the average length of the day is 11h and 57min.
On the first day of October, sunrise is at 05:54 and sunset at 17:57. On the last day of the month, sunrise is at 05:54 and sunset at 17:45 +0530.

Sunshine

In Polonnaruwa, the average sunshine in October is 8.3h.

UV index

The months with the highest UV index in Polonnaruwa, Sri Lanka, are February through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in October transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in October in Polonnaruwa?

The average high-temperature, in October, is 32.7°C (90.9°F), while the average low-temperature is 23.2°C (73.8°F). in October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 45°C (113°F).

What is the average humidity in October in Polonnaruwa?

In October, the average relative humidity in Polonnaruwa is 75%.

What is the rainiest month in Polonnaruwa?

The month with the most rainfall is October, when the rain falls for 22.6 days and typically aggregates up to 214mm (8.43") of precipitation.

How much does it rain in Polonnaruwa in October?

In Polonnaruwa, in October, it is raining for 22.6 days, with typically 214mm (8.43") of accumulated precipitation.

How many hours of daylight does Polonnaruwa have in October?

In Polonnaruwa, Sri Lanka, the average day length in October is 11h and 57min.

When are sunrise and sunset in October in Polonnaruwa?

In October, on the first day of the month, sunrise is at 05:54 and sunset at 17:57. On the last day of the month, in Polonnaruwa, Sri Lanka, sunrise is at 05:54 and sunset at 17:45 +0530.

How many hours of sunshine does Polonnaruwa have in October?

In Polonnaruwa, Sri Lanka, the average sunshine duration in October is 8.3h.

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

February through October, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in October in Polonnaruwa?

The average daily maximum UV index in October in Polonnaruwa, Sri Lanka, is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in October
Polonnaruwa, Sri Lanka

Average temperature in October - Polonnaruwa, Sri Lanka
  • Average high temperature in October: 32.7°C

The warmest month (with the highest average high temperature) is April (34.9°C).
The months with the lowest average high temperature are January and December (29.3°C).

  • Average low temperature in October: 23.2°C

The month with the highest average low temperature is June (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (20°C).

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Average pressure in October
Polonnaruwa, Sri Lanka

Average pressure in October - Polonnaruwa, Sri Lanka
  • Average pressure in October: 1009.5mbar

The month with the highest atmospheric pressure is January (1012mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).

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Average wind speed in October
Polonnaruwa, Sri Lanka

Average wind speed in October - Polonnaruwa, Sri Lanka
  • Average wind speed in October: 11.1km/h

The windiest month (with the highest average wind speed) is June (23.8km/h).
The calmest month (with the lowest average wind speed) is April (7.1km/h).

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Average humidity in October
Polonnaruwa, Sri Lanka

Average humidity in October - Polonnaruwa, Sri Lanka
  • Average humidity in October: 75%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are June, July, August and September (67%).

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Average rainfall in October
Polonnaruwa, Sri Lanka

Average rainfall in October - Polonnaruwa, Sri Lanka
  • Average rainfall in October: 214mm

The wettest month (with the highest rainfall) is October (214mm).
The driest month (with the least rainfall) is June (15mm).

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Average rainfall days in October
Polonnaruwa, Sri Lanka

Average rainfall days in October - Polonnaruwa, Sri Lanka
  • Average rainfall days in October: 22.6 days

The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is June (7.8 days).

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Average daylight in October /
Average sunshine in October
Polonnaruwa, Sri Lanka

Average daylight in October / Average sunshine in October - Polonnaruwa, Sri Lanka
  • Average daylight in October: 12h and 0min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in October: 8h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in October
Polonnaruwa, Sri Lanka

Average sunshine days in October - Polonnaruwa, Sri Lanka
  • Average sunshine days in October: 6.4 days

The month with the most sunshine days is July (16 days).
The month with the least sunshine days is November (4.2 days).

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Average UV index in October
Polonnaruwa, Sri Lanka

Average UV index in October - Polonnaruwa, Sri Lanka
  • Average UV index in October: 7

The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).

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Average cloud cover in October
Polonnaruwa, Sri Lanka

Average cloud cover in October - Polonnaruwa, Sri Lanka
  • Average cloud cover in October: 36

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 26).

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Average visibility in October
Polonnaruwa, Sri Lanka

Average visibility in October - Polonnaruwa, Sri Lanka
  • Average visibility in October: 9km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and December (7km).

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