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
The average high-temperature during December is a still warm 28.9°C (84°F), almost matching the conditions of the preceding month. During December, Yakkalamulla's nights hold steady with an average temperature of 24.8°C (76.6°F), barely dropping from the daytime highs.Heat index
December's average heat index is calculated to be a tropical 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In December, the average relative humidity in Yakkalamulla, Sri Lanka, is 79%.Rainfall
In Yakkalamulla, during December, the rain falls for 22.1 days and regularly aggregates up to 114mm (4.49") of precipitation. In Yakkalamulla, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.Daylight
December has the shortest days of the year in Yakkalamulla, with an average of 11h and 48min of daylight.On the first day of December in Yakkalamulla, Sri Lanka, sunrise is at 06:03 and sunset at 17:51. On the last day of the month, sunrise is at 06:18 and sunset at 18:04 +0530.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year in Yakkalamulla.UV index
The months with the highest UV index are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 7 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
Is it hot in Yakkalamulla during December?
What is the average humidity in December in Yakkalamulla?
How much does it rain in Yakkalamulla in December?
What is the month with the shortest days in Yakkalamulla?
How many hours of daylight does Yakkalamulla have in December?
When are sunrise and sunset in December in Yakkalamulla?
What is the month with the least sunshine in Yakkalamulla?
How long on average sun shines in December in Yakkalamulla?
What is the month with the highest UV index in Yakkalamulla?
What is the UV index intensity in December in Yakkalamulla?
Average temperature in December
Yakkalamulla, Sri Lanka
- Average high temperature in December: 28.9°C
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
- Average low temperature in December: 24.8°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure in December
Yakkalamulla, Sri Lanka
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in December
Yakkalamulla, Sri Lanka
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity in December
Yakkalamulla, Sri Lanka
- Average humidity in December: 79%
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in December
Yakkalamulla, Sri Lanka
- Average rainfall in December: 114mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Yakkalamulla, Sri Lanka
- Average rainfall days in December: 22.1 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average daylight in December /
Average sunshine in December
Yakkalamulla, Sri Lanka
- Average daylight in December: 11h and 5min
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 48min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Yakkalamulla, Sri Lanka
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index in December
Yakkalamulla, Sri Lanka
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover in December
Yakkalamulla, Sri Lanka
- Average cloud cover in December: 38
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in December
Yakkalamulla, Sri Lanka
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
Yakkalamulla, Sri Lanka
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