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Chennai Weather in August
August in Chennai typically sees daytime highs of 34°C (93°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Chennai in August
You can typically expect 9 days of rain this month, averaging around 100 mm (3.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Chennai in August
Daytime highs in Chennai in August reach 34°C (93°F), with nights around 27°C (81°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Chennai in August
The area experiences a moderate amount of sunshine, with approximately 188 hours of sunlight expected. This means a decent mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Chennai.
Chennai Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
34°C (93°F)
Chance of Rain
29%
Precipitation
100 mm (3.9 in)
Rainy days
9 days
Humidity
66%
Sunshine
188 hours
Percentage Sunshine
Chennai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chennai - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chennai typically stay consistent throughout August, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Chennai in August
Browse day-by-day weather records for Chennai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chennai historical weather extremes in August
Based on weather observations in Chennai between 2001 and 2026, these are the recorded extremes during August.
- On August 11, 2019, temperatures climbed to 39°C (102°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 26°C (79°F), recorded on August 14, 2013.
- Nighttime temperatures dropped to 22°C (72°F) on August 2, 2025, marking the coldest August night on record.
Best Places in India in August
Find out more about the weather in India and which places have the best travel conditions in this month. See all of India in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chennai in August
Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Chennai in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Chennai 3-Day Forecast
More climate data for Chennai
Temperature Rainfall Sunshine Humidity
See the full Chennai climate overview or explore weather in India.
Popular in August
Where to go in August - average daytime high across popular destinations.
Gurugram
35°C (95°F) New Delhi34°C (93°F) Chennai
34°C (93°F) Jaipur33°C (91°F) Hyderabad30°C (86°F) Mumbai29°C (84°F) Bengaluru
28°C (82°F) Kochi28°C (82°F) Bucket list
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