Tamil Nadu · India

Chennai in March

In March, Chennai averages a daytime high of 34 °C and a night-time low of 23 °C, with about 3 mm of rain over the month. Chennai has no month that is both mild and dry by the measure used here.

Average high
34 °C
Average low
23 °C
Rain in the month
3 mm
Daylight on 15 Mar
12 h
Comfortable month
No
Places to stay
491

When to go

How March compares with the rest of the year in Chennai

March is the 7th warmest month in Chennai by average daytime high; across the year the highs run from 30 °C to 39 °C and the lows from 20 °C to 28 °C. By day, March is 2 °C warmer than February, and April is 2 °C warmer than March.

March brings 3 mm of rain, less than the monthly average of 107 mm (1281 mm a year); it is the driest month.

On 15 March the sun is up for about 12 h, against 11 h 20 min at the shortest and 12 h 50 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

0°20°39°JanFebMarAprMayJunJulAugSepOctNovDec320 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January30 °C20 °C16 mm11 h 30 min
February32 °C21 °C11 mm11 h 40 min
March34 °C23 °C3 mm12 h
April36 °C26 °C11 mm12 h 30 min
May39 °C28 °C41 mm12 h 40 min
June38 °C28 °C72 mm12 h 50 min
July36 °C27 °C104 mm12 h 50 min
August35 °C26 °C147 mm12 h 30 min
September35 °C26 °C133 mm12 h 10 min
October33 °C25 °C287 mm11 h 50 min
November30 °C23 °C320 mm11 h 30 min
December30 °C22 °C135 mm11 h 20 min

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is March a good time to visit Chennai?

Not by the measure used here: the average high of 34 °C is above 29 °C. No month in Chennai meets it.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in India in March

Nationwide public holidays; shops and offices may close on these dates.

4 Mar 2026 · Holi21 Mar 2026 · Eid al-Fitr26 Mar 2026 · Ram Navami31 Mar 2026 · Mahavira's Birthday6 Mar 2027 · Maha Shivaratri10 Mar 2027 · Eid al-Fitr (estimated)22 Mar 2027 · Holi26 Mar 2027 · Good Friday

Where to stay

Where to stay in Chennai

This guide lists 491 places to stay in Chennai, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 17; 1–3 km, 59; 3–10 km, 180; 10 km or more, 235.

← Chennai in FebruaryChennai in April →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.