December 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
December, the first month of the winter, in Chennai, is also a warm month, with average temperature ranging between min 21.9°C (71.4°F) and max 28.5°C (83.3°F).

Temperature

The coldest month is December, with an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 21.9°C (71.4°F).

Humidity

In Chennai, the average relative humidity in December is 77%.

Rainfall

In Chennai, India, in December, it is raining for 6.3 days, with typically 191.1mm (7.5") of accumulated precipitation. In Chennai, during the entire year, the rain falls for 59.1 days and collects up to 1391.5mm (54.8") of precipitation.

Sea temperature

In Chennai, the average water temperature is 26.9°C (80.4°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.

Daylight

The month with the shortest days is December, with an average of 11.4h of daylight.

Sunshine

In Chennai, India, the average sunshine is 6.6h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV rays for average individuals.
The average daily UV index of 9 in December transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in Chennai?

The coldest month is December, with an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 21.9°C (71.4°F).

What is the temperature in December in Chennai?

The average high-temperature, in December, is 28.5°C (83.3°F), while the average low-temperature is 21.9°C (71.4°F).

What is the average humidity in December in Chennai?

In December, the average relative humidity in Chennai is 77%.

How many days does it rain in December in Chennai?

In Chennai, in December, it is raining for 6.3 days, with typically 191.1mm (7.5") of accumulated precipitation.

What is the water temperature in December in Chennai?

In Chennai, in December, the average water temperature is 26.9°C (80.4°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 month with the shortest days in Chennai?

December has the shortest days of the year in Chennai, India, with an average of 11.4h of daylight.

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

In December, the average length of the day in Chennai is 11.4h.

How long on average sun shines in December in Chennai?

The average sunshine in December in Chennai is 6.6h.

What is the month with the lowest UV index in Chennai?

The month with the lowest UV index in Chennai, India, is December, with an average maximum UV index of 9.

What is the UV index intensity in December in Chennai?

The average daily maximum UV index in December in Chennai is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in December - Chennai, India
  • Average high temperature in December: 28.5°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 December: 21.9°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 December - Chennai, India
  • Average humidity in December: 77%

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

Average rainfall in December - Chennai, India
  • Average rainfall in December: 191.1mm

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 December - Chennai, India
  • Average rainfall days in December: 6.3 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 December - Chennai, India
  • Average sea temperature in December: 26.9°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 December / Average sunshine in December - Chennai, India
  • Average daylight in December: 11.4h

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 December: 6.6h

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 December - Chennai, India
  • Average UV index in December: 9

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).

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