Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, with its high-temperature average of 27.5°C (81.5°F) and a low-temperature average of 19.5°C (67.1°F), is the coldest month.Heat index
Throughout December, the heat index is evaluated at a tropical 31°C (87.8°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The most humid month in Alakoladeniya is December, with an average relative humidity of 84%.Rainfall
In Alakoladeniya, during December, the rain falls for 22.9 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 42min of daylight.On the first day of the month, sunrise is at 06:06 and sunset at 17:49. On the last day of December, in Alakoladeniya, Sri Lanka, sunrise is at 06:20 and sunset at 18:02 +0530.
Sunshine
December has the least sunshine of the year in Alakoladeniya, with an average of 5.7h of sunshine.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Alakoladeniya, Sri Lanka. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in December transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the coldest time of year in Alakoladeniya?
What is the average December temperature in Alakoladeniya?
What is the most humid month in Alakoladeniya?
What is the average humidity in December in Alakoladeniya?
How many days does it rain in December in Alakoladeniya?
What is the month with the shortest days in Alakoladeniya?
How many hours of daylight does Alakoladeniya have in December?
When are sunrise and sunset in December in Alakoladeniya?
What is the month with the least sunshine in Alakoladeniya?
How many hours of sunshine does Alakoladeniya have in December?
What is the month with the highest UV index in Alakoladeniya?
How high is the UV index in December in Alakoladeniya?
Average temperature in December
Alakoladeniya, Sri Lanka
- Average high temperature in December: 27.5°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 December: 19.5°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 December
Alakoladeniya, Sri Lanka
- Average pressure in December: 1010.5mbar
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 December
Alakoladeniya, Sri Lanka
- Average wind speed in December: 6.7km/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 December
Alakoladeniya, Sri Lanka
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall in December
Alakoladeniya, Sri Lanka
- Average rainfall in December: 118mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Alakoladeniya, Sri Lanka
- Average rainfall days in December: 22.9 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 December /
Average sunshine in December
Alakoladeniya, Sri Lanka
- Average daylight in December: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in December: 5h and 4min
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 December
Alakoladeniya, Sri Lanka
- Average sunshine days in December: 6.8 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 December
Alakoladeniya, Sri Lanka
- Average UV index in December: 6
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 December
Alakoladeniya, Sri Lanka
- Average cloud cover in December: 47
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 December
Alakoladeniya, Sri Lanka
- Average visibility in December: 8km
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).
Alakoladeniya, Sri Lanka
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