December weather forecast
Galedanda, Sri Lanka

The first month of the winter, December, is still a warm month in Galedanda, Sri Lanka, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 23.7°C (74.7°F).

Temperature

As November transitions into December, the average high-temperature rests at a warm 29.9°C (85.8°F), maintaining a close resemblance to the previous month. Throughout the nights in December, Galedanda experiences an average low-temperature of 23.7°C (74.7°F).

Heat index

In December, the average heat index is appraised at a very hot 37°C (98.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The average relative humidity in December in Galedanda is 79%.

Rainfall

In Galedanda, in December, it is raining for 21.1 days, with typically 148mm (5.83") of accumulated precipitation. Throughout the year, there are 289.4 rainfall days, and 2262mm (89.06") 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 December, sunrise is at 06:06 and sunset at 17:51. On the last day of the month, sunrise is at 06:21 and sunset at 18:05 +0530.

Sunshine

The average sunshine in December is 6.9h.

UV index

The months with the highest UV index in Galedanda are January through April, July, September, November 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 ordinary individuals.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.