Aruppukkottai climate — normals and trends

Q: What is the climate of Aruppukkottai?

Aruppukkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 29.2 °C and it receives 776 mm of precipitation per year.

Q: What is the hottest day ever recorded in Aruppukkottai?

The hottest day measured in Aruppukkottai between 1940 and 2025 was 2 May 1993, reaching 44.1 °C.

Q: What is the coldest day in Aruppukkottai?

The coldest day measured in Aruppukkottai between 1940 and 2025 was 26 December 1941, at 14.9 °C.

Q: Does it snow in Aruppukkottai?

Almost never: Aruppukkottai sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Aruppukkottai warmed?

Yes: Aruppukkottai warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Aruppukkottai?

The wettest day measured in Aruppukkottai between 1940 and 2025 was 3 May 2004, with 141 mm of rain in 24 hours.

Q: What was the windiest day in Aruppukkottai?

The windiest day measured in Aruppukkottai between 1940 and 2025 was 13 November 1992, with winds reaching 42.3 km/h.

Q: What is the warmest month in Aruppukkottai?

The warmest month in Aruppukkottai is May (31.8 °C on average); the coldest is December (26.0 °C).

Q: How much does it rain in Aruppukkottai?

Aruppukkottai receives on average 776 mm of precipitation per year, spread over about 118 rainy days.

Q: Is it sunny in Aruppukkottai?

Aruppukkottai gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Aruppukkottai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 29.2 °C and it receives 776 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is May (31.8 °C on average) and the coldest is December (26.0 °C). Rainfall peaks in October.

Aruppukkottai averages 0 frost days, 334 hot days (≥ 30 °C) and 118 rainy days per year.

Aruppukkottai has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 44.1 °C (on 2 May 1993) and the coldest 14.9 °C (on 26 December 1941).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

AruppukkottaiTamil Nadu

coords: 9.51°, 78.10°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthDecemberWettest monthOctoberDriest monthFebruary

Mean daily temperature

29.2°C

Average daily high

35.1°C

Average daily low

24.8°C

Annual rainfall

776mm

Sunshine / day

10.2h

Mean relative humidity

64%

Average peak wind

15.0km/h

Seasonal range

5.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

334 d/yr

Rainy days (≥ 1 mm)

118 d/yr

Annual snowfall

0.0 cm

Average feels-like high

38.0 °C

Average feels-like low

28.4 °C

Average peak gust

34.0 km/h

Tropical nights (≥ 20 °C)

356 d/yr

Solar radiation

19.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.77 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

44.1 °C

2 May 1993

Coldest day

14.9 °C

26 December 1941

Wettest day

141 mm

3 May 2004

Windiest day

42.3 km/h

13 November 1992

Strongest gust

84.6 km/h

13 November 1992

Hottest feels-like

48.1 °C

10 May 1973

Coldest feels-like

15.7 °C

26 December 1941

Sunniest day

12.2 h

21 May 1997

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	41.5 °C13 May 2025	19.5 °C20 December 2025	29.6 °C	872 mm	343
2024	43.0 °C5 May 2024	21.8 °C25 January 2024	30.0 °C	1,212 mm	354
2023	41.6 °C29 August 2023	20.0 °C13 February 2023	30.1 °C	1,283 mm	355
2022	41.4 °C4 May 2022	22.0 °C21 January 2022	29.6 °C	1,010 mm	356
2021	41.4 °C3 April 2021	19.3 °C11 February 2021	29.5 °C	1,258 mm	340
2020	43.8 °C24 May 2020	21.4 °C15 January 2020	30.3 °C	978 mm	349
2019	43.2 °C12 May 2019	19.0 °C10 January 2019	30.3 °C	711 mm	341
2018	42.2 °C2 May 2018	19.8 °C3 February 2018	29.7 °C	984 mm	348
2017	43.3 °C24 April 2017	20.8 °C3 February 2017	30.4 °C	804 mm	354
2016	42.9 °C23 April 2016	20.7 °C4 February 2016	30.7 °C	511 mm	363
2015	41.2 °C7 April 2015	19.8 °C13 January 2015	29.8 °C	1,093 mm	350
2014	43.3 °C31 May 2014	20.2 °C7 February 2014	30.1 °C	1,164 mm	330
2013	43.0 °C4 May 2013	20.3 °C17 December 2013	30.2 °C	672 mm	358
2012	42.6 °C23 April 2012	18.3 °C16 January 2012	30.4 °C	648 mm	355
2011	42.0 °C3 May 2011	18.2 °C27 December 2011	29.9 °C	852 mm	343
2010	43.0 °C17 May 2010	19.6 °C6 January 2010	30.0 °C	1,050 mm	332
2009	43.1 °C3 May 2009	18.7 °C1 January 2009	30.1 °C	1,002 mm	340
2008	42.4 °C3 May 2008	18.7 °C31 December 2008	29.6 °C	1,063 mm	342
2007	42.8 °C23 May 2007	17.9 °C16 November 2007	29.7 °C	1,065 mm	346
2006	42.1 °C7 April 2006	17.9 °C20 January 2006	29.7 °C	962 mm	343
2005	44.0 °C26 May 2005	18.6 °C14 February 2005	29.9 °C	873 mm	340
2004	43.3 °C17 April 2004	19.1 °C15 January 2004	29.5 °C	1,076 mm	330
2003	42.9 °C22 May 2003	18.6 °C8 December 2003	29.7 °C	645 mm	345
2002	41.8 °C12 May 2002	17.6 °C15 January 2002	29.6 °C	778 mm	327
2001	42.0 °C11 May 2001	19.0 °C10 December 2001	29.4 °C	736 mm	342
2000	42.4 °C22 May 2000	17.8 °C23 January 2000	29.3 °C	765 mm	347
1999	42.6 °C16 April 1999	17.2 °C27 January 1999	29.2 °C	762 mm	328
1998	42.9 °C20 April 1998	18.7 °C26 December 1998	29.8 °C	821 mm	332
1997	41.9 °C29 May 1997	18.9 °C1 February 1997	29.6 °C	839 mm	344
1996	42.1 °C7 May 1996	19.0 °C11 March 1996	29.3 °C	733 mm	346
1995	40.0 °C4 July 1995	19.4 °C23 January 1995	29.4 °C	830 mm	356
1994	42.3 °C18 May 1994	19.0 °C12 December 1994	29.2 °C	717 mm	337
1993	44.1 °C2 May 1993	17.8 °C19 January 1993	29.3 °C	682 mm	314
1992	42.1 °C10 May 1992	18.6 °C8 January 1992	29.2 °C	671 mm	329
1991	43.2 °C2 May 1991	18.5 °C12 February 1991	29.5 °C	659 mm	349
1990	42.1 °C23 April 1990	16.0 °C15 January 1990	29.6 °C	744 mm	332
1989	43.7 °C15 May 1989	17.5 °C8 February 1989	29.4 °C	585 mm	357
1988	42.9 °C12 May 1988	19.4 °C7 January 1988	29.5 °C	754 mm	356
1987	42.5 °C7 June 1987	19.4 °C13 November 1987	29.9 °C	701 mm	352
1986	43.1 °C21 May 1986	19.1 °C18 November 1986	29.8 °C	561 mm	351
1985	43.0 °C23 April 1985	19.3 °C6 February 1985	29.6 °C	592 mm	341
1984	42.8 °C15 May 1984	17.3 °C12 December 1984	28.7 °C	844 mm	309
1983	42.6 °C24 May 1983	18.6 °C9 January 1983	30.0 °C	699 mm	348
1982	42.4 °C3 April 1982	18.7 °C14 February 1982	29.5 °C	502 mm	342
1981	42.8 °C27 May 1981	19.1 °C31 January 1981	29.3 °C	595 mm	339
1980	42.5 °C21 May 1980	18.2 °C24 January 1980	29.7 °C	481 mm	362
1979	42.5 °C7 May 1979	19.0 °C12 January 1979	29.2 °C	851 mm	293
1978	41.9 °C19 April 1978	18.3 °C19 January 1978	29.2 °C	776 mm	331
1977	41.9 °C14 April 1977	18.5 °C13 January 1977	29.0 °C	1,086 mm	328
1976	41.6 °C3 May 1976	18.0 °C27 February 1976	29.2 °C	646 mm	335
1975	41.6 °C25 April 1975	18.2 °C10 December 1975	28.7 °C	768 mm	335
1974	42.4 °C8 May 1974	16.6 °C7 January 1974	29.3 °C	371 mm	349
1973	43.5 °C29 April 1973	19.1 °C16 January 1973	29.2 °C	790 mm	328
1972	42.0 °C5 June 1972	17.7 °C7 January 1972	29.2 °C	723 mm	342
1971	41.6 °C3 May 1971	17.5 °C22 December 1971	28.9 °C	600 mm	337
1970	42.8 °C7 May 1970	18.0 °C4 December 1970	29.2 °C	572 mm	346
1969	41.2 °C29 March 1969	19.5 °C27 January 1969	29.1 °C	902 mm	332
1968	41.5 °C15 May 1968	18.7 °C7 February 1968	28.5 °C	751 mm	338
1967	42.6 °C6 May 1967	18.0 °C11 February 1967	28.5 °C	969 mm	311
1966	42.7 °C24 May 1966	18.4 °C15 December 1966	28.4 °C	1,080 mm	310
1965	40.7 °C20 May 1965	18.9 °C14 December 1965	28.2 °C	807 mm	320
1964	42.2 °C1 May 1964	18.0 °C2 January 1964	28.4 °C	855 mm	323
1963	41.8 °C27 May 1963	17.8 °C12 February 1963	28.5 °C	816 mm	294
1962	41.7 °C4 May 1962	19.3 °C16 January 1962	28.6 °C	824 mm	337
1961	41.3 °C22 April 1961	18.8 °C25 February 1961	28.6 °C	616 mm	316
1960	40.5 °C28 March 1960	19.2 °C24 December 1960	28.5 °C	817 mm	312
1959	41.2 °C29 April 1959	19.9 °C5 December 1959	29.0 °C	630 mm	316
1958	40.9 °C9 April 1958	18.7 °C6 January 1958	28.9 °C	707 mm	320
1957	42.0 °C9 May 1957	18.8 °C7 January 1957	28.7 °C	724 mm	294
1956	43.1 °C25 April 1956	17.9 °C2 January 1956	28.1 °C	721 mm	287
1955	41.0 °C14 April 1955	17.1 °C15 December 1955	27.9 °C	861 mm	303
1954	41.2 °C18 April 1954	17.0 °C18 January 1954	28.0 °C	791 mm	317
1953	41.4 °C2 June 1953	18.9 °C4 January 1953	28.6 °C	545 mm	351
1952	41.5 °C21 May 1952	18.8 °C21 January 1952	28.8 °C	430 mm	354
1951	41.2 °C15 May 1951	18.5 °C8 December 1951	28.3 °C	775 mm	344
1950	41.0 °C8 April 1950	19.4 °C27 January 1950	29.0 °C	286 mm	356
1949	41.6 °C25 April 1949	19.3 °C26 January 1949	28.3 °C	405 mm	344
1948	41.8 °C22 May 1948	19.4 °C27 December 1948	28.7 °C	832 mm	319
1947	40.1 °C24 May 1947	18.9 °C16 January 1947	28.7 °C	641 mm	338
1946	41.5 °C1 May 1946	16.7 °C30 January 1946	28.3 °C	805 mm	302
1945	42.2 °C4 May 1945	16.4 °C13 December 1945	28.3 °C	642 mm	319
1944	41.0 °C29 April 1944	17.4 °C11 December 1944	28.1 °C	932 mm	303
1943	41.0 °C30 April 1943	17.8 °C19 January 1943	27.3 °C	682 mm	305
1942	39.3 °C28 March 1942	17.1 °C1 January 1942	27.8 °C	532 mm	352
1941	41.1 °C29 April 1941	14.9 °C26 December 1941	27.8 °C	560 mm	298
1940	40.3 °C3 April 1940	17.3 °C9 December 1940	27.4 °C	738 mm	317

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

35.2 °C

+0.1 °C

Hot days (≥ 30 °C)

343 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

872 mm

+96 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.9 °C	-1.0 °C	54 mm	+31 mm
Feb	34.2 °C	-0.5 °C	9 mm	-6 mm
Mar	36.4 °C	-0.8 °C	44 mm	+15 mm
Apr	38.2 °C	+0.1 °C	62 mm	+10 mm
May	37.5 °C	-1.0 °C	50 mm	-8 mm
Jun	37.6 °C	+0.9 °C	27 mm	-11 mm
Jul	36.9 °C	+0.8 °C	59 mm	+15 mm
Aug	36.8 °C	+0.4 °C	54 mm	+5 mm
Sep	37.6 °C	+1.2 °C	49 mm	-22 mm
Oct	34.1 °C	+0.4 °C	235 mm	+66 mm
Nov	31.5 °C	+0.6 °C	203 mm	+48 mm
Dec	31.1 °C	+0.6 °C	26 mm	-48 mm

The year's extremes

Hottest day

41.5 °C

13 May 2025

Coldest day

19.5 °C

20 Dec 2025

Wettest day

53.1 mm

29 Nov 2025

Windiest day

24.9 km/h

28 Feb 2025

Strongest gust

70.6 km/h

29 May 2025

Hottest feels-like

46.2 °C

14 May 2025

Coldest feels-like

21.1 °C

21 Dec 2025

Sunniest day

12.1 h

6 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Aruppukkottai?

Aruppukkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 29.2 °C and it receives 776 mm of precipitation per year.

What is the hottest day ever recorded in Aruppukkottai?

The hottest day measured in Aruppukkottai between 1940 and 2025 was 2 May 1993, reaching 44.1 °C.

What is the coldest day in Aruppukkottai?

The coldest day measured in Aruppukkottai between 1940 and 2025 was 26 December 1941, at 14.9 °C.

Does it snow in Aruppukkottai?

Almost never: Aruppukkottai sees virtually no snow, with about 0 frost days per year.

Has the climate of Aruppukkottai warmed?

Yes: Aruppukkottai warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Aruppukkottai?

The wettest day measured in Aruppukkottai between 1940 and 2025 was 3 May 2004, with 141 mm of rain in 24 hours.

What was the windiest day in Aruppukkottai?

The windiest day measured in Aruppukkottai between 1940 and 2025 was 13 November 1992, with winds reaching 42.3 km/h.

What is the warmest month in Aruppukkottai?

The warmest month in Aruppukkottai is May (31.8 °C on average); the coldest is December (26.0 °C).

How much does it rain in Aruppukkottai?

Aruppukkottai receives on average 776 mm of precipitation per year, spread over about 118 rainy days.

Is it sunny in Aruppukkottai?

Aruppukkottai gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Aruppukkottai?

Yes: Aruppukkottai has on average 356 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Aruppukkottai?

In Aruppukkottai, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 10 May 1973, and the lowest was 15.7 °C on 26 December 1941.

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