Weather in Chennai in July 2025
Average weather
Average temperature in Chennai in July
The expected average maximum temperature in July is +32°C with a maximum of +34°C and a minimum of +26°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +33°C to +33°C.
Is Chennai warm or cold in July?
Chennai is typically hot in July.
Maximum temperatures go down compared to the previous month from +33°C to +32°C. The minimum temperature also goes up from +28°C to +28°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how July is compared to other months in Chennai:
Climate in Chennai in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +33°C | +32°C | +32°C | ||||
| Min. temperature | ||||||
| +25°C | +25°C | +24°C | ||||
| Max. temperature | ||||||
| +42°C | +39°C | +38°C | ||||
| Rainfall | ||||||
| 55 mm | 71 mm | 85 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 69% | 71% | 74% | ||||
| Air pressure | ||||||
| 1003 HPa | 1004 HPa | 1005 HPa | ||||
| Sunny days | ||||||
| 1 | 0 | 0 | ||||
| Cloudy days | ||||||
| 11 | 9 | 9 | ||||
| Rainy days | ||||||
| 15 | 18 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July often has better weather than June. It’s getting colder in July. From +33°C in the day, the average maximum temperature lowers to +32°C. Prepare for more rain. Average rainfall goes from 55 mm to 71 mm. Humidity rises from 69% to 71%. The average wind speed doesn’t change much during July, staying around 3 m/s. The days becoming less sunny, going from 1 sunny days in June to 0 in July.
August brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chennai is gradually decreasing during July, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last July in Chennai?
Climate Change over Years
The climate in Chennai in July 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 July a good time to visit Chennai?
Can you sunbathe in Chennai in July?
Is Chennai rainy in July?
Is it sunny in Chennai in July?
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.