January weather forecast
Arcot, India

January, the same as December, is another warm winter month in Arcot, India, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 29.8°C (85.6°F).

Temperature

The arrival of January brings an average high-temperature of a still warm 29.8°C (85.6°F), subtly diverging from December's 28.7°C (83.7°F). During January, the nighttime temperature averages of 18.5°C (65.3°F).

Heat index

In January, the heat index is evaluated at a torrid 35°C (95°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In January, the average relative humidity is 72%.

Rainfall

In Arcot, during January, the rain falls for 4.3 days and regularly aggregates up to 6mm (0.24") of precipitation. In Arcot, India, during the entire year, the rain falls for 164.7 days and collects up to 600mm (23.62") of precipitation.

Daylight

In Arcot, the average length of the day in January 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, in Arcot, sunrise is at 6:38 am and sunset at 6:13 pm IST.

Sunshine

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

UV index

The months with the lowest UV index are January, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during January, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.