Chennai weather in July
July in Chennai: sweltering, rainy — a fair time to visit.
#9 of 12 months in Chennai · #504 of 604 destinations to visit in July · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Chennai climate normals — July
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 127 mm / 5 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 12.8 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chennai in July — FAQ
- Is July a good time to visit Chennai?
- July in Chennai: sweltering, rainy — a fair time to visit. It ranks #9 of 12 months for Chennai on SeasonMap's comfort score (57/100).
- What is the weather like in Chennai in July?
- In July, Chennai averages a daily high of 32.9°C and a low of 26.4°C, with about 127.1 mm of rain over roughly 19.6 rainy days.
- What is the air quality in Chennai in July?
- Chennai has a mean US Air Quality Index of about 54 in July.