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
At the start of October, Nainativu's average high-temperature reaches a still moderately hot 29.2°C (84.6°F), subtly different from the preceding month. Nainativu experiences a subtle drop in temperature during the October nights, recording an average of 27.7°C (81.9°F).Heat index
The heat index value during October is computed to be a very hot 35°C (95°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in October is 77%.Rainfall
October is the month with the most rainfall. Rain falls for 22.6 days and accumulates 191mm (7.52") of precipitation.Daylight
The average length of the day in October is 11h and 55min.On the first day of October in Nainativu, sunrise is at 05:59 and sunset at 18:01. On the last day of the month, sunrise is at 06:00 and sunset at 17:48 +0530.
Sunshine
In Nainativu, the average sunshine in October is 8.5h.UV index
The months with the highest UV index in Nainativu, Sri Lanka, are January through October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 7 in October transforms into this advice:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Nainativu in October?
What is the average humidity in October in Nainativu?
What is the wettest month in Nainativu?
How much does it rain in Nainativu in October?
How many hours of daylight does Nainativu have in October?
When are sunrise and sunset in October in Nainativu?
How many hours of sunshine does Nainativu have in October?
When is the highest UV index in Nainativu?
How high is the UV index in October in Nainativu?
Average temperature in October
Nainativu, Sri Lanka
- Average high temperature in October: 29.2°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in October: 27.7°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in October
Nainativu, Sri Lanka
- Average pressure in October: 1008.9mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in October
Nainativu, Sri Lanka
- Average wind speed in October: 19.6km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity in October
Nainativu, Sri Lanka
- Average humidity in October: 77%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in October
Nainativu, Sri Lanka
- Average rainfall in October: 191mm
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in October
Nainativu, Sri Lanka
- Average rainfall days in October: 22.6 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average daylight in October /
Average sunshine in October
Nainativu, Sri Lanka
- Average daylight in October: 11h and 5min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in October: 8h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in October
Nainativu, Sri Lanka
- Average sunshine days in October: 7.5 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index in October
Nainativu, Sri Lanka
- Average UV index in October: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in October
Nainativu, Sri Lanka
- Average cloud cover in October: 32
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in October
Nainativu, Sri Lanka
- Average visibility in October: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
