Chennai weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Good
Best time to visit: January – February
What is the weather like in Chennai in March?
In March, Chennai is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It hardly ever rains. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Chennai.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 77 | 62 | 50 |
| Day | 30° | 33° | 35° |
| Night | 21° | 23° | 26° |
| Sea | 27° | 28° | 29° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 1 | 2 | 3 |
More details for March
- Daylight
- 12 h 2 min06:17 – 18:20
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 34 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %29 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Chennai in March: quick answers
Is Chennai hot in March?
Yes. In March, Chennai is hot: daytime highs average 33 °C and nights stay around 23 °C. On about 30 days the thermometer climbs to 30 °C or more.
Can you swim in Chennai in March?
Yes. In March the sea averages 28.4 °C – lovely and warm for swimming.
Does it rain much in Chennai in March?
It hardly ever rains.
Chennai month by month
The whole year in ChennaiAll destinations: IndiaWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences