December weather forecast
Kilinochchi, Sri Lanka

Kilinochchi concludes the year with a slight drop in rainfall compared to November, settling at 140mm (5.51") over 20 days, while maintaining a high humidity level. A breeze continues to play across the city under the moderately clouded sky. With the oncoming of December, temperatures slightly start to decrease, signaling an incoming cooler season. Daylight hours reduce while sunshine stays relatively constant, enabling continued outdoor activities. As the year concludes, December sets up the transition to a more relaxed weather cycle for the New Year's commencement.

Temperature

Kilinochchi's shift from November to December is accompanied by an average high-temperature of a still warm 27.5°C (81.5°F), a slight deviation from 28.4°C (83.1°F). Kilinochchi experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 26.1°C (79°F) throughout December.

Heat index

December's mean heat index is computed to be a hot 31°C (87.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Kilinochchi, during December, the rain falls for 20 days and regularly aggregates up to 140mm (5.51") of precipitation. Throughout the year, there are 148.6 rainfall days, and 769mm (30.28") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 36min of daylight.
On the first day of December, sunrise is at 06:09 and sunset at 17:46. On the last day of the month, sunrise is at 06:23 and sunset at 17:59 +0530.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index in Kilinochchi are January through October and December, with an average maximum UV index of 7. 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 December, the average maximum UV index of 7 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.