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
October
Weather in October
Temperature
The transition into October notes an average high-temperature of a hot 30°C (86°F), revealing a mild distinction from the 29.1°C (84.4°F) in September. Mahadeniya welcomes an average low temperature of 25°C (77°F) in October, a gentle shift from the day's high.Heat index
The heat index for October is estimated at a very hot 38°C (100.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. 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 largely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In October, the average relative humidity in Mahadeniya is 80%.Rainfall
In Mahadeniya, Sri Lanka, in October, it is raining for 27 days, with typically 237mm (9.33") of accumulated precipitation. In Mahadeniya, Sri Lanka, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.Daylight
In October, the average length of the day is 11h and 58min.On the first day of October in Mahadeniya, sunrise is at 05:56 and sunset at 18:00. On the last day of the month, sunrise is at 05:56 and sunset at 17:49 +0530.
Sunshine
In Mahadeniya, Sri Lanka, the average sunshine in October is 7.7h.UV index
The months with the lowest UV index in Mahadeniya, Sri Lanka, are May, June, August and October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during October translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Mahadeniya in October?
What is the average humidity in October in Mahadeniya?
How much does it rain in Mahadeniya in October?
How many hours of daylight does Mahadeniya have in October?
What time are sunrise and sunset in October in Mahadeniya?
How many hours of sunshine does Mahadeniya have in October?
When is the lowest UV index in Mahadeniya?
How high is the UV index in October in Mahadeniya?
Average temperature in October
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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
Mahadeniya, 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).
