Thanjavur climate

Name: Thanjavur
Address: IN

Thanjavur is warmest in May, with average highs of 38 °C, and coldest in January, when nights average 20 °C. November is the wettest month (206 mm) and February the driest (15 mm). Figures are 1991–2020 climate normals.

Across a full year Thanjavur averages 962 mm of rain and 362 days above 25 °C.

India · population 291,067 · 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 15 mm
Wettest month November 206 mm
Least cloud March 40 % cloud
Hottest on record May 42 °C
Coldest on record January 15 °C

What to expectThanjavur through the year

Thanjavur has a clear annual cycle: average daily highs run from 29 °C in January to 38 °C in May, a swing of 7.3 °C in mean temperature across the year.

Counted across a normal year, 362 days a year reach 25 °C, 280 of them reach 30 °C. The warmest reading in the 1991–2020 record is 42 °C, in May.

Rain is strongly seasonal. November averages 206 mm against 15 mm in February — 14 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.1 °C	21 mm	52 %
February	32.0 °C	15 mm	42 %
March	35.1 °C	20 mm	40 %
April	36.7 °C	39 mm	51 %
May	37.9 °C	62 mm	62 %
June	36.8 °C	55 mm	83 %
July	36.0 °C	55 mm	88 %
August	35.5 °C	82 mm	85 %
September	34.9 °C	109 mm	78 %
October	31.9 °C	182 mm	76 %
November	29.2 °C	206 mm	74 %
December	28.1 °C	118 mm	65 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.1 °C	20.1 °C	24.3 °C	32.9 °C	14.9 °C	31	8
February	32.0 °C	20.8 °C	26.0 °C	36.5 °C	15.5 °C	28	24
March	35.1 °C	22.8 °C	28.4 °C	40.1 °C	17.3 °C	31	30
April	36.7 °C	25.8 °C	30.5 °C	41.4 °C	21.0 °C	30	30
May	37.9 °C	27.2 °C	31.6 °C	42.4 °C	23.7 °C	31	31
June	36.8 °C	26.9 °C	31.0 °C	41.7 °C	23.5 °C	30	30
July	36.0 °C	26.4 °C	30.5 °C	40.4 °C	23.5 °C	31	31
August	35.5 °C	26.0 °C	30.0 °C	39.8 °C	23.5 °C	31	31
September	34.9 °C	25.6 °C	29.5 °C	39.9 °C	22.4 °C	30	29
October	31.9 °C	24.2 °C	27.5 °C	38.6 °C	18.7 °C	31	24
November	29.2 °C	22.6 °C	25.5 °C	35.5 °C	16.3 °C	29	10
December	28.1 °C	21.1 °C	24.3 °C	33.2 °C	16.1 °C	30	3

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	21 mm	4	12 h/day	52 %	74 %	15 km/h
February	15 mm	3	12 h/day	42 %	69 %	15 km/h
March	20 mm	3	12 h/day	40 %	65 %	15 km/h
April	39 mm	7	12 h/day	51 %	66 %	15 km/h
May	62 mm	11	13 h/day	62 %	61 %	17 km/h
June	55 mm	10	13 h/day	83 %	57 %	19 km/h
July	55 mm	12	13 h/day	88 %	56 %	20 km/h
August	82 mm	14	12 h/day	85 %	59 %	17 km/h
September	109 mm	16	12 h/day	78 %	65 %	15 km/h
October	182 mm	20	12 h/day	76 %	76 %	12 km/h
November	206 mm	18	12 h/day	74 %	81 %	14 km/h
December	118 mm	10	12 h/day	65 %	78 %	16 km/h

How Thanjavur 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
Thanjavur	38 °C	20 °C	962 mm	362
Kumbakonam · India	38 °C	21 °C	952 mm	362
Tiruchirappalli · India	38 °C	20 °C	812 mm	363
Kāraikkudi · India	37 °C	20 °C	987 mm	363
Neyveli · India	38 °C	20 °C	1,049 mm	362
Kallakurichi · India	38 °C	19 °C	973 mm	362

Where Thanjavur ranks

Ranking	Position	Value
The warmest places in Asia year-round	25th of 50	34 °C

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

QuestionsCommon questions about Thanjavur’s climate

When is the best time to visit Thanjavur?

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 Thanjavur get?

In May, the warmest month, daily highs average 38 °C. About 280 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °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 Thanjavur?

November, averaging 206 mm over 18 days with rain. The driest month is February with 15 mm. The year as a whole averages 962 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 Thanjavur 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: 10.785°, 79.139° (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.