Chennai weather in January
January in Chennai: hot, a little rain, with very humid — one of the best months to visit.
#1 of 12 months in Chennai · #195 of 604 destinations to visit in January · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Chennai climate normals — January
| Daytime high | 28°C / 82°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 32 mm / 1.3 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.5 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 97 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chennai in January — FAQ
- Is January a good time to visit Chennai?
- January in Chennai: hot, a little rain, with very humid — one of the best months to visit. It ranks #1 of 12 months for Chennai on SeasonMap's comfort score (78/100).
- What is the weather like in Chennai in January?
- In January, Chennai averages a daily high of 27.9°C and a low of 21.2°C, with about 31.8 mm of rain over roughly 7 rainy days.
- What is the air quality in Chennai in January?
- Chennai has a mean US Air Quality Index of about 97 in January.