October weather forecastPeralanda, Sri Lanka
October
Weather in October
October, like September, in Peralanda, Sri Lanka, is another warm autumn month, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 25.1°C (77.2°F).Temperature
In October, Peralanda experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 29.5°C (85.1°F) in September to a still moderately hot 29.9°C (85.8°F). October's average low temperature in Peralanda is a still warm 25.1°C (77.2°F), displaying a subtle drop from its daily peak.Heat index
October's average heat index is computed to be a very hot 37°C (98.6°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Peralanda, the average relative humidity in October is 79%.Rainfall
In Peralanda, during October, the rain falls for 25.9 days and regularly aggregates up to 224mm (8.82") of precipitation. In Peralanda, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.Daylight
In October, the average length of the day in Peralanda is 11h and 58min.On the first day of the month, sunrise is at 05:58 and sunset at 18:01. On the last day of October, sunrise is at 05:57 and sunset at 17:50 +0530.
Sunshine
In Peralanda, the average sunshine in October is 7.8h.UV index
The months with the lowest UV index in Peralanda are May, June, August and October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in October converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. 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
Average temperature in October
Peralanda, Sri Lanka
- Average high temperature in October: 29.9°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in October: 25.1°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in October
Peralanda, Sri Lanka
- Average pressure in October: 1009.9mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in October
Peralanda, Sri Lanka
- Average wind speed in October: 11.8km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in October
Peralanda, Sri Lanka
- Average humidity in October: 79%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in October
Peralanda, Sri Lanka
- Average rainfall in October: 224mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in October
Peralanda, Sri Lanka
- Average rainfall days in October: 25.9 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in October /
Average sunshine in October
Peralanda, 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 48min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in October
Peralanda, Sri Lanka
- Average sunshine days in October: 3.3 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in October
Peralanda, 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
Peralanda, Sri Lanka
- Average cloud cover in October: 48
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in October
Peralanda, Sri Lanka
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).





