October weather forecastYatiwawala, Sri Lanka
October
Weather in October
October, the same as September, is another warm autumn month in Yatiwawala, Sri Lanka, with an average temperature ranging between min 20.7°C (69.3°F) and max 29.4°C (84.9°F).Temperature
The shift into October reveals an average high-temperature of a still warm 29.4°C (84.9°F), closely mirroring September's climate. October nights cool down to an average low-temperature of 20.7°C (69.3°F).Heat index
In October, the heat index is computed to be a torrid 36°C (96.8°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In October, the average relative humidity in Yatiwawala is 80%.Rainfall
The month with the most rainfall in Yatiwawala is October, when the rain falls for 27.4 days and typically aggregates up to 301mm (11.85") of precipitation.Daylight
In October, the average length of the day in Yatiwawala is 11h and 58min.On the first day of October, sunrise is at 05:55 and sunset at 17:58. On the last day of the month, sunrise is at 05:55 and sunset at 17:47 +0530.
Sunshine
In Yatiwawala, the average sunshine in October is 7.9h.UV index
October is the month with the lowest UV index, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 5 during October, leads to the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Yatiwawala, Sri Lanka
- Average high temperature in October: 29.4°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).
- Average low temperature in October: 20.7°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 (18.1°C).
Average pressure in October
Yatiwawala, Sri Lanka
- Average pressure in October: 1009.7mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in October
Yatiwawala, Sri Lanka
- Average wind speed in October: 6.8km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in October
Yatiwawala, Sri Lanka
- Average humidity in October: 80%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall in October
Yatiwawala, Sri Lanka
- Average rainfall in October: 301mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in October
Yatiwawala, Sri Lanka
- Average rainfall days in October: 27.4 days
The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).
Average daylight in October /
Average sunshine in October
Yatiwawala, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in October
Yatiwawala, Sri Lanka
- Average sunshine days in October: 2.3 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).
Average UV index in October
Yatiwawala, Sri Lanka
- Average UV index in October: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in October
Yatiwawala, Sri Lanka
- Average cloud cover in October: 41
The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).
Average visibility in October
Yatiwawala, Sri Lanka
- Average visibility in October: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).








