Chennai weather in May
May in Chennai: sweltering, a little rain — a fair time to visit.
#11 of 12 months in Chennai · #578 of 604 destinations to visit in May · comfort 52/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Chennai climate normals — May
| Daytime high | 36°C / 96°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 28°C / 82°F | |
| Feels like (high) | 41°C / 106°F | |
| Rainfall | 39 mm / 1.5 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.7 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 78 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chennai in May — FAQ
- Is May a good time to visit Chennai?
- May in Chennai: sweltering, a little rain — a fair time to visit. It ranks #11 of 12 months for Chennai on SeasonMap's comfort score (52/100).
- What is the weather like in Chennai in May?
- In May, Chennai averages a daily high of 35.8°C and a low of 27.6°C, with about 38.9 mm of rain over roughly 4.2 rainy days.
- What is the air quality in Chennai in May?
- Chennai has a mean US Air Quality Index of about 78 in May.