December weather forecastThanniyam, India

Weather in December

The first month of the winter, December, is still a tropical month in Thanniyam, India, with an average temperature fluctuating between 31.5°C (88.7°F) and 22.4°C (72.3°F).

Temperature

As Thanniyam transitions into December, the average high-temperature stands at a still tropical 31.5°C (88.7°F), offering little variation from the preceding month. Throughout December nights, Thanniyam registers an average low-temperature of 22.4°C (72.3°F).

Heat index

During December, the heat index is computed to be a scorching 40°C (104°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Thanniyam, the average relative humidity in December is 72%.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Thanniyam, there are 252.6 rainfall days, and 2037mm (80.2") of precipitation is accumulated.

Daylight

With an average of 11h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:27 am and sunset at 6:01 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:14 pm IST.

Sunshine

In December, the average sunshine in Thanniyam is 9.2h.

UV index

January through April, November and December, with an average maximum UV index of 7, are months with the highest UV index in Thanniyam, India. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.