October weather forecast
Arangala, Sri Lanka

October

Weather in October

October in Arangala, Sri Lanka, is a hot autumn month, with an average temperature varying between 25°C (77°F) and 30°C (86°F).

Temperature

October experiences an average high-temperature of a hot 30°C (86°F), barely different from September's 29.1°C (84.4°F). October in Arangala is characterized by a steady nighttime low-temperature of 25°C (77°F).

Heat index

In October, the average heat index is evaluated at a sweltering 38°C (100.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Remember that heat index calculations are made for conditions in the shade with light wind. 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', evaluates the perceived heat by adding the effect of moisture in the air. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in October is 80%.

Rainfall

In Arangala, in October, during 27 rainfall days, 237mm (9.33") of precipitation is typically accumulated. In Arangala, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.

Daylight

The average length of the day in October is 11h and 58min.
On the first day of October, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, sunrise is at 05:57 and sunset at 17:50 +0530.

Sunshine

The average sunshine in October in Arangala is 7.7h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index in Arangala. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during October, leads to the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure 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.

Frequently asked questions

How hot is October in Arangala?
The high-temperature during October is 30°C (86°F) and the low-temperature is 25°C (77°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in October is evaluated at 38°C (100.4°F).
What is the average humidity in October in Arangala?
In Arangala, Sri Lanka, the average relative humidity in October is 80%.
How many days does it rain in October in Arangala?
In Arangala, Sri Lanka, in October, during 27 rainfall days, 237mm (9.33") of precipitation is typically accumulated.
What is the average length of the day in October in Arangala?
In October, the average day length is 11h and 58min.
When are sunrise and sunset in October in Arangala?
In October, on the first day of the month, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, in Arangala, Sri Lanka, sunrise is at 05:57 and sunset at 17:50 +0530.
How long on average sun shines in October in Arangala?
In October, the average sunshine duration in Arangala, Sri Lanka, is 7.7h.
When is the lowest UV index in Arangala?
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index.
How high is the UV index in October in Arangala?
In October, the average daily maximum UV index in Arangala, Sri Lanka, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Arangala, Sri Lanka
  • Average high temperature in October: 30°C

The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).

  • Average low temperature in October: 25°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

Average pressure in October
Arangala, Sri Lanka
  • Average pressure in October: 1009.9mbar

The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in October
Arangala, Sri Lanka
  • Average wind speed in October: 10.2km/h

The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).

Average humidity in October
Arangala, Sri Lanka
  • Average humidity in October: 80%

The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).

Average rainfall in October
Arangala, Sri Lanka
  • Average rainfall in October: 237mm

The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in October
Arangala, Sri Lanka
  • Average rainfall days in October: 27 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).

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

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in October
Arangala, Sri Lanka
  • Average sunshine days in October: 1.7 days

The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).

Average UV index in October
Arangala, Sri Lanka
  • Average UV index in October: 6

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

Average cloud cover in October
Arangala, Sri Lanka
  • Average cloud cover in October: 49

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).

Average visibility in October
Arangala, Sri Lanka
  • Average visibility in October: 9km

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

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