Weather in Chennai in October 2025
Average weather
Average temperature in Chennai in October
The expected average maximum temperature in October is +30°C with a maximum of +31°C and a minimum of +26°C.
The average maximum temperature goes down 40% by the end of the month, compared with the beginning of the month, from +31°C to +29°C.
Is Chennai warm or cold in October?
Chennai is typically warm in October.
Maximum temperatures go down compared to the previous month from +31°C to +30°C. The minimum temperature also goes down from +27°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in Chennai:
Climate in Chennai in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +30°C | +28°C | ||||
| Min. temperature | ||||||
| +23°C | +22°C | +21°C | ||||
| Max. temperature | ||||||
| +36°C | +37°C | +34°C | ||||
| Rainfall | ||||||
| 99 mm | 170 mm | 217 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 78% | 82% | 82% | ||||
| Air pressure | ||||||
| 1006 HPa | 1008 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 0 | 2 | 3 | ||||
| Cloudy days | ||||||
| 7 | 6 | 7 | ||||
| Rainy days | ||||||
| 16 | 19 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +31°C in the day, the average maximum temperature lowers to +30°C. Prepare for more rain. Average rainfall goes from 99 mm to 170 mm. Humidity rises from 78% to 82%. The average wind speed doesn’t change much during October, staying around 2 m/s. The good news is there are likely to be more sunny days in October, from 0 to 2.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chennai is gradually decreasing during October, going from 4 m/s to 2 m/s over the course of the month.
Rain
How was the weather last October in Chennai?
Climate Change over Years
The climate in Chennai in October has not changed much over the last 43 years.
The average temperature was the lowest in 1989 (+29°C) and the highest in 2019 (+33°C). The driest year was 1982 with only 445 mm of rainfall, and the wettest year was 1996 with 1545 mm.
FAQ
Is October a good time to visit Chennai?
Can you sunbathe in Chennai in October?
Is Chennai rainy in October?
Is it sunny in Chennai in October?
Other cities in India
Monthly weather in Chennai
Source of the data
For this page, we’ve looked at the typical weather in Chennai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.