Weather in Coimbatore in March

A hard month. March asks something of you. Go in knowing what. Daytime highs average 36.6 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.

March ranks 10 of 12 — near the bottom of Coimbatore's year. December is the month that works, and the swing between the two is 44 points, which is a different holiday rather than a slightly better one.

Rain falls on only 5 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.

What the averages hide

Averages flatten a month, and this one hides a few things: 25 days of the month clear 35 °C — that is not a heatwave, it is the month. Across the twenty years measured, the hottest March day reached 41 °C and the coldest night fell to 15.5 °C, and the wettest single day dropped 39 mm — roughly 130% of the month's rain in one day.

This is the volatile part. March rainfall has ranged from 1 mm to 172 mm across the twenty years measured — a 171 mm spread around an average of 30 mm. The average is real but almost no individual March looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 5.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 53%.

How March sits in the year

Temperatures hold steady either side: 34.4 °C in February, 36.6 here, 36.1 in April. Nothing about the timing within the month matters much. Rain is the thing that moves: April brings 6 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in March

Coimbatore sits close enough to the equator that daylight barely moves all year — 12.1 hours in March, against a range of just 1.3 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

An inland climate

Despite being inland, the year stays fairly even: 18.9 °C between the year's warmest afternoons and coldest nights. Within March itself the daily swing is 14.7 °C, so mornings and afternoons need different clothes.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Coimbatore versus nearby

If Coimbatore is one option among several, the nearby comparison is worth making. Tiruppur is the weaker option in March — within a degree on temperature, 1 day less rain. Munnar is a better bet in March — 8.6 °C cooler, 3 days more rain.

So: March is a compromise. December is 36 points better and is what Coimbatore is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Coimbatore

See all twelve months in Coimbatore, or where else to go in March.