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Chennai weather in October 2025
Expect daytime maximum temperatures of 32°C in Chennai, India in October and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 259 mm of rainfall in the month.
- 32°C max day temperature
32 - 6 hours of sunshine per day
- 9 days with some rainfall
9 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 259 mm of monthly rainfall
259 - 11 (Extreme) UV index
11 - 29°C sea temperature
29
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The October 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)
More about India
How hot is it in Chennai in October?
Daytime temperatures usually reach 33°C in Chennai in October with high heat and humidity, falling to 19°C at night.
How sunny is it in Chennai in October?
There are normally 9 hours of bright sunshine each day in Chennai in October - that's 75% of daylight hours.
Does it ever rain in Chennai in October?
There is usually 1 day with some rain in Chennai in October and the average monthly rainfall is 24mm.
Chennai October sunrise & sunset times
Browse the sunrise and sunset times for Chennai in October 2025. Select a month to view Chennai sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Wednesday, 1st October 2025 | 05:58 | 17:59 |
| Thursday, 16th October 2025 | 05:59 | 17:49 |
| Friday, 31st October 2025 | 06:02 | 17:43 |
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