January weather forecastMannargudi, India

Weather in January

January, the same as December, is another warm winter month in Mannargudi, India, with an average temperature varying between 29.1°C (84.4°F) and 20.9°C (69.6°F).

Temperature

Mannargudi's transition from December to January introduces an average high-temperature of a still moderately hot 29.1°C (84.4°F), marking an insignificant variation from the 28.5°C (83.3°F). January nights observe an average temperature dip to an agreeable 20.9°C (69.6°F).

Heat index

For January, the heat index is estimated at a fiery hot 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
The heat index's values are generally associated with conditions in shade and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in January is 78%.

Rainfall

In January, in Mannargudi, India, the rain falls for 8.5 days. Throughout January, 9mm (0.35") of precipitation is accumulated. In Mannargudi, during the entire year, the rain falls for 153.8 days and collects up to 430mm (16.93") of precipitation.

Daylight

In Mannargudi, India, the average length of the day in January is 11h and 35min.
On the first day of January, sunrise is at 6:30 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:15 pm IST.

Sunshine

In January, the average sunshine in Mannargudi is 8.8h.

UV index

January, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In January, an average UV index of 6 transforms into the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.