December weather forecast
Habarana, Sri Lanka

December, the first month of the winter in Habarana, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 21.4°C (70.5°F).

Temperature

Habarana's lowest temperatures tend to occur in January and December, with an average high-temperature of 29.3°C (84.7°F).

Heat index

December's mean heat index is appraised at a torrid 37°C (98.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

December is the most humid month in Habarana, with an average relative humidity of 84%.

Rainfall

In Habarana, Sri Lanka, in December, during 22.9 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, there are 196.8 rainfall days, and 943mm (37.13") of precipitation is accumulated.

Daylight

With an average of 11h and 42min of daylight, December has the shortest days of the year in Habarana.
On the first day of December, sunrise is at 06:05 and sunset at 17:46. On the last day of the month, sunrise is at 06:20 and sunset at 18:00 +0530.

Sunshine

The month with the least sunshine is December, with an average of 4.9h of sunshine.

UV index

January, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Habarana. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 6 in December transforms into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.