August 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
August, the same as July, in Chennai, India, is another hot rainy (monsoon) season month, with temperature in the range of an average low of 25.7°C (78.3°F) and an average high of 34.3°C (93.7°F).

Temperature

In August, the average high-temperature is 34.3°C (93.7°F), and the average low-temperature is 25.7°C (78.3°F).

Humidity

In August, the average relative humidity is 66%.

Rainfall

In Chennai, India, in August, it is raining for 8.5 days, with typically 140.4mm (5.5") of accumulated precipitation. Throughout the year, there are 59.1 rainfall days, and 1391.5mm (54.8") of precipitation is accumulated.

Sea temperature

In Chennai, the average water temperature is 28.8°C (83.8°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 August is 12.6h.

Sunshine

In August, the average sunshine in Chennai is 6.2h.

UV index

Months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for the ordinary person.
In August, the average maximum UV index of 12 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in August in Chennai?

The average high-temperature, in August, is 34.3°C (93.7°F), while the average low-temperature is 25.7°C (78.3°F).

What is the average humidity in August in Chennai?

The average relative humidity in August is 66%.

How much does it rain in Chennai in August?

In Chennai, India, during August, the rain falls for 8.5 days and regularly aggregates up to 140.4mm (5.5") of precipitation.

What is the sea water temperature in August in Chennai?

In Chennai, India, the average seawater temperature in August is 28.8°C (83.8°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 August in Chennai?

In August, the average length of the day in Chennai, India, is 12.6h.

How many hours of sunshine does Chennai have in August?

In August, the average sunshine in Chennai, India, is 6.2h.

When is the highest UV index in Chennai?

Months with the highest UV index in Chennai, India, are February through September, with an average maximum UV index of 12.

What is the UV index intensity in August in Chennai?

In August, the average daily maximum UV index in Chennai is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Chennai, India
  • Average high temperature in August: 34.3°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 August: 25.7°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 August - Chennai, India
  • Average humidity in August: 66%

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

Average rainfall in August - Chennai, India
  • Average rainfall in August: 140.4mm

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 August - Chennai, India
  • Average rainfall days in August: 8.5 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 August - Chennai, India
  • Average sea temperature in August: 28.8°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 August / Average sunshine in August - Chennai, India
  • Average daylight in August: 12.6h

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 August: 6.2h

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 August - Chennai, India
  • Average UV index in August: 12

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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