Chennai weather in August 2025

Expect 35°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chennai in August. Check more long-term weather averages for Chennai in August before you book your next holiday to India in 2025/2026.

  • 35°C maximum daytime temperature in August in Chennai35
    35°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in August in Chennai9
    9 days with some rainfall
  • 26°C minimum night-time temperature in August in Chennai26
    26°C min night temperature
  • 13 hours of daylight per day in August in Chennai13
    13 hours of daylight per day
  • Extreme heat & humidity in August in ChennaiE
    Extreme heat & humidity
  • 158 mm monthly rainfall in August in Chennai158
    158 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Chennai11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Chennai28
    28°C sea temperature

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The August weather guide for India (Chennai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Chennai in August?

Daytime temperatures usually reach 35°C in Chennai in August with extreme heat and humidity, falling to 26°C at night.

How sunny is it in Chennai in August?

There are normally 6 hours of bright sunshine each day in Chennai in August - that's 48% of daylight hours.

How warm is the sea around Chennai in August?

The average sea temperature around Chennai in August is 28°C.

Does it rain in Chennai in August?

There are usually 9 days with some rain in Chennai in August and the average monthly rainfall is 158mm.

Chennai August sunrise & sunset times

Browse the sunrise and sunset times for Chennai in August 2025. Select a month to view Chennai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:55 18:36
Saturday, 16th August 2025 05:57 18:30
Sunday, 31st August 2025 05:58 18:21

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