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 shift into October reveals an average high-temperature of a tropical 30°C (86°F), closely mirroring September's climate. Rajagiriya records a consistent average nighttime temperature of 25°C (77°F) in October, slightly lower than the daytime high.Heat index
The heat index value for October is estimated at a torrid 38°C (100.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In October, the average relative humidity in Rajagiriya is 80%.Rainfall
In Rajagiriya, Sri Lanka, in October, during 27 rainfall days, 237mm (9.33") of precipitation is typically accumulated. In Rajagiriya, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.Daylight
In Rajagiriya, the average length of the day in October 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
The average sunshine in October is 7.7h.UV index
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index in Rajagiriya. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In October, a daily maximum UV index of 6 leads to the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
How hot is it in Rajagiriya in October?
What is the average humidity in October in Rajagiriya?
How many days does it rain in October in Rajagiriya?
How many hours of daylight does Rajagiriya have in October?
What time are sunrise and sunset in October in Rajagiriya?
How long on average sun shines in October in Rajagiriya?
When is the lowest UV index in Rajagiriya?
What is the UV index intensity in October in Rajagiriya?
Average temperature in October
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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
Rajagiriya, 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).
Rajagiriya, Sri Lanka
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