Climate guide for Chennai, India

Chennai in August

Weather, crowds & best time to visit

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August · India

Best time to visit Chennai in August Weather, crowds & prices

Weather in Chennai in August

Average temperature 29°C, 192 mm of rain, about 22 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

6.9/10

Ranked #9 of 12 months

Full year for Chennai
Avg temp
29°C
Rainfall
192 mm
Humidity
77%
Days with 6h+ sun
22
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

August in Chennai scores 6.9/10 for beach and coastal travel - ranked #9 of 12. Expect around 29°C, 192 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.

Chennai strings Tamil temples, colonial churches and a long Marina beach along the Bay of Bengal.

August in Chennai — middling scores, decent value

August averages 29°C (84°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 192 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 6.9/10 here, 9th of 12 months, against 10/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Figure on mid-season pricing, with crowds are moderate.

Flexible dates? April scores 3.1 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Chennai in August?
In August, Chennai averages 29°C, 192 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 6.9/10.
Is August a good time to visit Chennai?
August earns a 6.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Chennai in August?
Expect about 192 mm of rain in August. Average humidity is 77% and there are about 22 days with 6+ hours of sunshine.

Curated in Chennai

Tickets & experiences

Things to do in Chennai

Chennai, India. Live activities and tours from GetYourGuide, matched to this destination.