December weather forecast
Chengannur, India

December, the first month of the winter in Chengannur, is also a hot month, with an average temperature ranging between min 22.9°C (73.2°F) and max 31.1°C (88°F).

Temperature

As Chengannur welcomes December, the average high-temperature is noted at a still hot 31.1°C (88°F), closely aligning with the preceding month. Chengannur experiences a nighttime temperature average of 22.9°C (73.2°F) during December.

Heat index

December's heat index is computed to be a very hot 39°C (102.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape 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 extremely significant for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in December in Chengannur is 74%.

Rainfall

In Chengannur, during December, the rain falls for 12.7 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 245.5 rainfall days, and 1652mm (65.04") 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 the month, sunrise is at 6:24 am and sunset at 6:01 pm. On the last day of December, in Chengannur, sunrise is at 6:38 am and sunset at 6:14 pm IST.

Sunshine

In Chengannur, the average sunshine in December is 8.9h.

UV index

The months with the highest UV index in Chengannur, India, are January through May, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.