January weather forecast
Walajapet, India

January, like December, in Walajapet, India, is another warm winter month, with an average temperature varying between 29.8°C (85.6°F) and 18.5°C (65.3°F).

Temperature

The commencement of January brings an average high-temperature of a still warm 29.8°C (85.6°F), marking an inconsequential divergence from December. During the nights in January, the temperature in Walajapet averages to a refreshing 18.5°C (65.3°F).

Heat index

The heat index for January is estimated at a fiery hot 35°C (95°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In Walajapet, the average relative humidity in January is 72%.

Rainfall

In Walajapet, during January, the rain falls for 4.3 days and regularly aggregates up to 6mm (0.24") of precipitation. Throughout the year, in Walajapet, there are 164.7 rainfall days, and 600mm (23.62") of precipitation is accumulated.

Daylight

The average length of the day in January in Walajapet, India, is 11h and 28min.
On the first day of the month, sunrise is at 6:34 am and sunset at 5:57 pm. On the last day of January, sunrise is at 6:38 am and sunset at 6:12 pm IST.

Sunshine

In January, the average sunshine in Walajapet is 8.9h.

UV index

The months with the lowest UV index in Walajapet are January, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during January leads to these advisories:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.