Chennai
India
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Chennai, India

A staircase to the front entrance of the Ramakrishna Temple in Chennai, India
A staircase to the front entrance of the Ramakrishna Temple in Chennai, India
January, the same as December, is another warm winter month in Chennai, India, with average temperature varying between 28.8°C (83.8°F) and 20.9°C (69.6°F).

Temperature

In Chennai, the average high-temperature is practically the same as in December - a still moderately hot 28.8°C (83.8°F). In Chennai, in January, the average low-temperature is 20.9°C (69.6°F).

Humidity

The average relative humidity in Chennai, India, is 73%.

Rainfall

In Chennai, during 1.3 rainfall days, 22.5mm (0.9") of precipitation is typically accumulated. In Chennai, India, during the entire year, the rain falls for 59.1 days and collects up to 1391.5mm (54.8") of precipitation.

Sea temperature

January is the month with the coldest seawater, with an average sea temperature of 26.8°C (80.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Chennai, the average length of the day in January is 11.5h.

Sunshine

The average sunshine in Chennai, India, is 8.7h.

UV index

The average daily maximum UV index in Chennai is 10. A UV Index value of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 10 interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in January in Chennai?

In January, in Chennai, India, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 20.9°C (69.6°F).

What is the average humidity in January in Chennai?

The average relative humidity in January in Chennai, India, is 73%.

How much does it rain in Chennai in January?

In Chennai, during January, the rain falls for 1.3 days and regularly aggregates up to 22.5mm (0.9") of precipitation.

When is the sea coldest in Chennai?

January is the month with the coldest seawater, with an average sea temperature of 26.8°C (80.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the sea water temperature in January in Chennai?

In Chennai, India, in January, the average water temperature is 26.8°C (80.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in January in Chennai?

The average length of the day in January in Chennai is 11.5h.

How many hours of sunshine does Chennai have in January?

The average sunshine in January in Chennai is 8.7h.

What is the UV index intensity in January in Chennai?

The average daily maximum UV index in January in Chennai, India, is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Chennai, India
  • Average high temperature in January: 28.8°C

The warmest month (with the highest average high temperature) is June (36.9°C).
The month with the lowest average high temperature is December (28.5°C).

  • Average low temperature in January: 20.9°C

The month with the highest average low temperature is May (27.9°C).
The coldest month (with the lowest average low temperature) is January (20.9°C).

Average humidity in January - Chennai, India
  • Average humidity in January: 73%

The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is June (57%).

Average rainfall in January - Chennai, India
  • Average rainfall in January: 22.5mm

The wettest month (with the highest rainfall) is November (407.4mm).
The driest month (with the lowest rainfall) is February (2.2mm).

Average rainfall days in January - Chennai, India
  • Average rainfall days in January: 1.3 days

The month with the highest number of rainy days is November (11.7 days).
The month with the lowest number of rainy days is March (0.3 days).

Average sea temperature in January - Chennai, India
  • Average sea temperature in January: 26.8°C

The best month for swimming (with the highest average sea temperature) is May (29.5°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight in January / Average sunshine in January - Chennai, India
  • Average daylight in January: 11.5h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in January: 8.7h

The month with most sunshine is April (Average sunshine: 9.7h).
The month with least sunshine is July (Average sunshine: 6h).

Average UV index in January - Chennai, India
  • Average UV index in January: 10

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).