December weather forecastManjeri, India

Weather in December

December, the first month of the winter in Manjeri, is also a hot month, with an average temperature fluctuating between 20.4°C (68.7°F) and 32.5°C (90.5°F).

Temperature

In December, Manjeri's weather conditions record an average high-temperature of a still tropical 32.5°C (90.5°F), demonstrating little divergence from the preceding month. A steep decline to a pleasant 20.4°C (68.7°F) characterizes the December nights.

Heat index

For December, the heat index is calculated to be an extremely hot 42°C (107.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In December, the average relative humidity is 71%.

Rainfall

In Manjeri, India, during December, the rain falls for 13.1 days and regularly aggregates up to 38mm (1.5") of precipitation. In Manjeri, during the entire year, the rain falls for 240 days and collects up to 1446mm (56.93") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 30min of daylight.
On the first day of December in Manjeri, sunrise is at 6:28 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:13 pm IST.

Sunshine

In Manjeri, India, the average sunshine in December is 9.2h.

UV index

May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.