Tiruchirappalli climate

Name: Tiruchirappalli
Address: IN

Tiruchirappalli is warmest in May, with average highs of 38 °C, and coldest in January, when nights average 20 °C. November is the wettest month (179 mm) and February the driest (10 mm). Figures are 1991–2020 climate normals.

Across a full year Tiruchirappalli averages 812 mm of rain and 363 days above 25 °C.

India · population 1,022,518 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month May 38 °C
Coldest month January 20 °C
Driest month February 10 mm
Wettest month November 179 mm
Least cloud March 38 % cloud
Hottest on record May 43 °C
Coldest on record January 15 °C

What to expectTiruchirappalli through the year

Tiruchirappalli has a clear annual cycle: average daily highs run from 30 °C in January to 38 °C in May, a swing of 7.4 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 299 of them reach 30 °C. The warmest reading in the 1991–2020 record is 43 °C, in May.

Rain is strongly seasonal. November averages 179 mm against 10 mm in February — 17 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.1 °C	13 mm	50 %
February	33.1 °C	10 mm	40 %
March	36.3 °C	19 mm	38 %
April	37.7 °C	39 mm	50 %
May	38.3 °C	56 mm	63 %
June	36.8 °C	45 mm	83 %
July	35.9 °C	40 mm	88 %
August	35.7 °C	62 mm	85 %
September	35.4 °C	95 mm	78 %
October	32.4 °C	168 mm	76 %
November	29.6 °C	179 mm	73 %
December	28.7 °C	85 mm	63 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.1 °C	19.9 °C	24.8 °C	34.3 °C	15.0 °C	31	16
February	33.1 °C	20.9 °C	26.6 °C	37.8 °C	16.3 °C	28	27
March	36.3 °C	23.0 °C	29.2 °C	40.5 °C	17.7 °C	31	31
April	37.7 °C	25.8 °C	31.1 °C	42.4 °C	20.6 °C	30	30
May	38.3 °C	27.1 °C	31.9 °C	42.6 °C	23.1 °C	31	31
June	36.8 °C	26.5 °C	30.8 °C	42.5 °C	23.3 °C	30	30
July	35.9 °C	26.0 °C	30.2 °C	39.9 °C	22.8 °C	31	31
August	35.7 °C	25.6 °C	29.9 °C	39.9 °C	23.1 °C	31	31
September	35.4 °C	25.3 °C	29.6 °C	39.9 °C	22.1 °C	30	30
October	32.4 °C	24.0 °C	27.6 °C	38.9 °C	18.6 °C	31	26
November	29.6 °C	22.3 °C	25.6 °C	36.8 °C	16.3 °C	29	13
December	28.7 °C	20.7 °C	24.5 °C	33.9 °C	15.3 °C	30	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	13 mm	3	12 h/day	50 %	69 %	15 km/h
February	10 mm	2	12 h/day	40 %	63 %	15 km/h
March	19 mm	3	12 h/day	38 %	59 %	16 km/h
April	39 mm	7	12 h/day	50 %	60 %	16 km/h
May	56 mm	10	13 h/day	63 %	56 %	17 km/h
June	45 mm	9	13 h/day	83 %	56 %	21 km/h
July	40 mm	8	13 h/day	88 %	56 %	22 km/h
August	62 mm	11	12 h/day	85 %	58 %	19 km/h
September	95 mm	14	12 h/day	78 %	61 %	16 km/h
October	168 mm	19	12 h/day	76 %	73 %	13 km/h
November	179 mm	16	12 h/day	73 %	78 %	14 km/h
December	85 mm	8	12 h/day	63 %	74 %	16 km/h

How Tiruchirappalli compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Tiruchirappalli	38 °C	20 °C	812 mm	363
Thanjavur · India	38 °C	20 °C	962 mm	362
Karur · India	38 °C	20 °C	710 mm	364
Kumbakonam · India	38 °C	21 °C	952 mm	362
Kāraikkudi · India	37 °C	20 °C	987 mm	363
Dindigul · India	36 °C	20 °C	1,364 mm	360
Kallakurichi · India	38 °C	19 °C	973 mm	362

Where Tiruchirappalli ranks

Ranking	Position	Value
The warmest places in Asia year-round	9th of 50	34 °C
The warmest places in Asia in March	10th of 50	36 °C
The warmest places in Asia in February	23rd of 50	33 °C
The warmest places in the world year-round	33rd of 50	34 °C

Planning a trip? See the best time to visit Tiruchirappalli.

QuestionsCommon questions about Tiruchirappalli’s climate

When is the best time to visit Tiruchirappalli?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, November, December sit closest to 20 °C on average, May is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Tiruchirappalli get?

In May, the warmest month, daily highs average 38 °C. About 299 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 20 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Tiruchirappalli?

November, averaging 179 mm over 16 days with rain. The driest month is February with 10 mm. The year as a whole averages 812 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Tiruchirappalli rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 10.816°, 78.697° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.