Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The advent of October reveals an average high-temperature of a still warm 28.5°C (83.3°F), showing minimal difference from the prior month. Deraniyagala experiences a mean low-temperature of 20.8°C (69.4°F) during October.Heat index
Throughout October, the heat index is evaluated at a sweltering 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
The average relative humidity in October is 86%.Rainfall
October is the month with the most rainfall in Deraniyagala. Rain falls for 28.5 days and accumulates 357mm (14.06") of precipitation.Daylight
In October, the average length of the day in Deraniyagala is 11h and 58min.On the first day of October in Deraniyagala, Sri Lanka, sunrise is at 05:56 and sunset at 17:59. On the last day of the month, sunrise is at 05:55 and sunset at 17:48 +0530.
Sunshine
In October, the average sunshine in Deraniyagala, Sri Lanka, is 7.3h.UV index
September and October, with an average maximum UV index of 5, are months with the lowest UV index in Deraniyagala. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: During October, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Sun damage prevention is strongly urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
How hot does it get in Deraniyagala in October?
What is the average humidity in October in Deraniyagala?
What is the rainiest month in Deraniyagala?
How many days does it rain in October in Deraniyagala?
What is the average length of the day in October in Deraniyagala?
When are sunrise and sunset in October in Deraniyagala?
How many hours of sunshine does Deraniyagala have in October?
When is the lowest UV index in Deraniyagala?
What is the UV index reading in October in Deraniyagala?
Average temperature in October
Deraniyagala, Sri Lanka
- Average high temperature in October: 28.5°C
The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).
- Average low temperature in October: 20.8°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.7°C).
Average pressure in October
Deraniyagala, Sri Lanka
- Average pressure in October: 1010mbar
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
Deraniyagala, Sri Lanka
- Average wind speed in October: 5.8km/h
The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).
Average humidity in October
Deraniyagala, Sri Lanka
- Average humidity in October: 86%
The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).
Average rainfall in October
Deraniyagala, Sri Lanka
- Average rainfall in October: 357mm
The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in October
Deraniyagala, Sri Lanka
- Average rainfall days in October: 28.5 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).
Average daylight in October /
Average sunshine in October
Deraniyagala, 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 2min
The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in October
Deraniyagala, Sri Lanka
- Average sunshine days in October: 1.1 days
The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).
Average UV index in October
Deraniyagala, Sri Lanka
- Average UV index in October: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).
Average cloud cover in October
Deraniyagala, Sri Lanka
- Average cloud cover in October: 54
The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in October
Deraniyagala, Sri Lanka
- Average visibility in October: 7km
The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).
Deraniyagala, Sri Lanka
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