October weather forecast
Mallavi, Sri Lanka

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Weather in October

October is a hot autumn month in Mallavi, Sri Lanka, with an average temperature fluctuating between 30°C (86°F) and 26.6°C (79.9°F).

Temperature

Mallavi's October reports an average high-temperature of a tropical 30°C (86°F), exhibiting a minor difference from September. Nighttime temperatures record an average of 26.6°C (79.9°F) throughout October.

Heat index

In October, the average heat index is estimated at a torrid 37°C (98.6°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Mallavi, the average relative humidity in October is 77%.

Rainfall

In Mallavi, in October, it is raining for 23.8 days, with typically 174mm (6.85") of accumulated precipitation. Throughout the year, in Mallavi, there are 181.2 rainfall days, and 849mm (33.43") of precipitation is accumulated.

Daylight

In Mallavi, the average length of the day in October is 11h and 56min.
On the first day of October, sunrise is at 05:57 and sunset at 17:59. On the last day of the month, sunrise is at 05:58 and sunset at 17:46 +0530.

Sunshine

In October, the average sunshine is 8.5h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 7 during October morphs into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in Mallavi in October?

In October, the average high-temperature and low-temperature in Mallavi are 30°C (86°F) and 26.6°C (79.9°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in October is estimated at 37°C (98.6°F).

What is the average humidity in October in Mallavi?

The average relative humidity in October in Mallavi, Sri Lanka, is 77%.

How many days does it rain in October in Mallavi?

In Mallavi, in October, it is raining for 23.8 days, with typically 174mm (6.85") of accumulated precipitation.

What is the average length of the day in October in Mallavi?

In October, the average day length in Mallavi is 11h and 56min.

What time are sunrise and sunset in October in Mallavi?

On the first day of October in Mallavi, sunrise is at 05:57 and sunset at 17:59. On the last day of the month, sunrise is at 05:58 and sunset at 17:46 +0530.

How long on average sun shines in October in Mallavi?

In October, the average sunshine duration is 8.5h.

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

January through October and December, with an average maximum UV index of 7, are months with the highest UV index in Mallavi.

What is the UV index reading in October in Mallavi?

In October, the average daily maximum UV index in Mallavi is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in October
Mallavi, Sri Lanka

Average temperature in October - Mallavi, Sri Lanka
  • Average high temperature in October: 30°C

The warmest month (with the highest average high temperature) is April (31.4°C).
The month with the lowest average high temperature is January (28.4°C).

  • Average low temperature in October: 26.6°C

The month with the highest average low temperature is May (28.1°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).

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Average pressure in October
Mallavi, Sri Lanka

Average pressure in October - Mallavi, Sri Lanka
  • Average pressure in October: 1009mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is June (1006.5mbar).

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Average wind speed in October
Mallavi, Sri Lanka

Average wind speed in October - Mallavi, Sri Lanka
  • Average wind speed in October: 18.7km/h

The windiest month (with the highest average wind speed) is June (32.4km/h).
The calmest month (with the lowest average wind speed) is April (15.4km/h).

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Average humidity in October
Mallavi, Sri Lanka

Average humidity in October - Mallavi, Sri Lanka
  • Average humidity in October: 77%

The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is March (75%).

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Average rainfall in October
Mallavi, Sri Lanka

Average rainfall in October - Mallavi, Sri Lanka
  • Average rainfall in October: 174mm

The wettest month (with the highest rainfall) is November (207mm).
The driest month (with the least rainfall) is June (28mm).

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Average rainfall days in October
Mallavi, Sri Lanka

Average rainfall days in October - Mallavi, Sri Lanka
  • Average rainfall days in October: 23.8 days

The months with the highest number of rainy days are October and November (23.8 days).
The month with the least rainy days is February (9.1 days).

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

Average daylight in October / Average sunshine in October - Mallavi, Sri Lanka
  • Average daylight in October: 11h and 5min

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 36min).

  • Average sunshine in October: 8h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Mallavi, Sri Lanka

Average sunshine days in October - Mallavi, Sri Lanka
  • Average sunshine days in October: 5.2 days

The month with the most sunshine days is March (19 days).
The month with the least sunshine days is November (4.4 days).

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Average UV index in October
Mallavi, Sri Lanka

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

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

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Average cloud cover in October
Mallavi, Sri Lanka

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

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 18).

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Average visibility in October
Mallavi, Sri Lanka

Average visibility in October - Mallavi, Sri Lanka
  • Average visibility in October: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).

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Mallavi, Sri Lanka

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