December weather forecast
Thirukkovil, Sri Lanka

December transitions Thirukkovil into its wettest month, recording an annual high rainfall of 272mm (10.71"). The onset of the month brings a definitive shift in the city's weather characteristics with a further dip in temperature to 28°C (82.4°F). Despite the rainfall increase and prevalent clouds, December upholds a steady amount of daylight, ensuring brightness across the city. Furthermore, wind speeds tend to show a noticeable pick-up, offering a cooler relieving counterpoint to the wet backdrop. All these variations frame a candid picture of Thirukkovil's weather, showcasing the city's richness and diversity in climate patterns.

Temperature

December brings an average high-temperature of a still warm 28°C (82.4°F) in Thirukkovil, Sri Lanka, showing a slight difference from November's 29.3°C (84.7°F). December in Thirukkovil, Sri Lanka, is characterized by a steady nighttime low-temperature of 24.5°C (76.1°F).

Heat index

The heat index for December is appraised at a tropical 32°C (89.6°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

December is the month with the most rainfall. Rain falls for 25.2 days and accumulates 272mm (10.71") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 42min of daylight.
On the first day of December, sunrise is at 05:59 and sunset at 17:43. On the last day of the month, sunrise is at 06:14 and sunset at 17:57 +0530.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 in December translates into these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.