Chennai Weather in August
India · Tropical Savanna climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Chennai sees average temperatures ranging from a low of 26.1°C (79.0°F) to a high of 33.2°C (91.8°F), with a mean of 29.0°C (84.2°F). Compared to the annual average of 28.0°C (82.4°F), this month is 1.0°C warmer than the yearly norm. Precipitation averages 141.9mm, making it approximately 13.0mm wetter than the monthly average of 129.0mm. The city receives an average of 9.4 hours of sunshine per day during August, with relative humidity averaging 74.9%. Wind speeds reach an average maximum of 17.7 km/h. For travelers, this month offers a temperature experience in Chennai, with wetter-than-average conditions compared to the rest of the year.
Chennai's climate is defined by its coastal location on the Bay of Bengal. The city receives most of its rainfall during the northeast monsoon from October to December. I found the best time for exploring the city's temples and beaches is January to March, when the weather is dry and temperatures are at their most comfortable. The summer months are intensely hot, with temperatures pushing 40°C.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 29.3°C (84.7°F) | 29.0°C (84.2°F) | 28.7°C (83.7°F) |
| Rainfall | 140.3mm | 141.9mm | 144.4mm |
| Sunshine | 8.2 hrs | 9.4 hrs | 9.0 hrs |
| Humidity | 72.1% | 74.9% | 77.2% |
| Wind | 19.1 km/h | 17.7 km/h | 16.9 km/h |
| Rainy Days | 25.8 | 27.4 | 25.4 |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Chennai in August, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Chennai in August?
The average temperature in Chennai during August ranges from 26.1°C (79.0°F) to 33.2°C (91.8°F), with a mean of 29.0°C (84.2°F).
How much does it rain in Chennai in August?
Chennai receives an average of 141.9mm of precipitation in August, spread across approximately 27.4 rainy days.
What should I pack for Chennai in August?
Based on August weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 141.9mm of precipitation.
Is August a good time to visit Chennai?
August is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Chennai
Cities with Similar August Climate (Tropical Savanna)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 13.08°, 80.27°. Timezone: Asia/Kolkata. Last updated: 2026-07-30.