Pattukkottai climate — normals and trends

Q: What is the climate of Pattukkottai?

Pattukkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 950 mm of precipitation per year.

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

The hottest day measured in Pattukkottai between 1940 and 2025 was 13 May 1956, reaching 43.0 °C.

Q: What is the coldest day in Pattukkottai?

The coldest day measured in Pattukkottai between 1940 and 2025 was 20 January 1990, at 15.0 °C.

Q: Does it snow in Pattukkottai?

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

Q: Has the climate of Pattukkottai warmed?

Yes: Pattukkottai warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pattukkottai?

The wettest day measured in Pattukkottai between 1940 and 2025 was 22 December 1983, with 336 mm of rain in 24 hours.

Q: What was the windiest day in Pattukkottai?

The windiest day measured in Pattukkottai between 1940 and 2025 was 8 June 1953, with winds reaching 35.0 km/h.

Q: What is the warmest month in Pattukkottai?

The warmest month in Pattukkottai is May (31.4 °C on average); the coldest is January (25.0 °C).

Q: How much does it rain in Pattukkottai?

Pattukkottai receives on average 950 mm of precipitation per year, spread over about 142 rainy days.

Q: Is it sunny in Pattukkottai?

Pattukkottai gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Pattukkottai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 950 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 (31.4 °C on average) and the coldest is January (25.0 °C). Rainfall peaks in October.

Pattukkottai averages 0 frost days, 301 hot days (≥ 30 °C) and 142 rainy days per year.

Pattukkottai has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.0 °C (on 13 May 1956) and the coldest 15.0 °C (on 20 January 1990).

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

PattukkottaiTamil Nadu

coords: 10.42°, 79.32°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthOctoberDriest monthFebruary

Mean daily temperature

28.5°C

Average daily high

33.9°C

Average daily low

24.7°C

Annual rainfall

950mm

Sunshine / day

10.4h

Mean relative humidity

70%

Average peak wind

16.1km/h

Seasonal range

6.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

301 d/yr

Rainy days (≥ 1 mm)

142 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.4 °C

Average feels-like low

28.4 °C

Average peak gust

35.5 km/h

Tropical nights (≥ 20 °C)

350 d/yr

Solar radiation

19.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.66 · 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

43.0 °C

13 May 1956

Coldest day

15.0 °C

20 January 1990

Wettest day

336 mm

22 December 1983

Windiest day

35.0 km/h

8 June 1953

Strongest gust

74.2 km/h

7 August 1950

Hottest feels-like

48.1 °C

2 June 2014

Coldest feels-like

15.8 °C

20 January 1990

Sunniest day

12.5 h

23 May 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.8 °C6 July 2025	19.5 °C14 February 2025	29.1 °C	1,013 mm	309
2024	39.8 °C1 May 2024	19.8 °C17 January 2024	29.4 °C	1,348 mm	335
2023	40.2 °C6 August 2023	18.9 °C13 February 2023	29.0 °C	1,360 mm	322
2022	38.6 °C1 May 2022	19.9 °C3 February 2022	28.7 °C	1,205 mm	320
2021	40.2 °C30 May 2021	19.8 °C11 February 2021	28.9 °C	1,473 mm	322
2020	40.8 °C24 May 2020	20.1 °C15 January 2020	29.2 °C	1,131 mm	333
2019	41.0 °C22 June 2019	19.4 °C22 January 2019	29.4 °C	866 mm	317
2018	39.4 °C29 June 2018	19.1 °C3 February 2018	28.9 °C	909 mm	329
2017	40.6 °C25 July 2017	18.8 °C8 February 2017	29.2 °C	1,179 mm	322
2016	40.0 °C6 July 2016	19.6 °C1 December 2016	29.7 °C	578 mm	356
2015	40.7 °C6 July 2015	19.2 °C13 January 2015	29.0 °C	1,410 mm	315
2014	42.5 °C7 June 2014	19.6 °C7 February 2014	29.6 °C	1,125 mm	309
2013	42.2 °C9 May 2013	20.0 °C14 January 2013	29.5 °C	621 mm	341
2012	41.7 °C3 June 2012	17.2 °C18 January 2012	29.2 °C	682 mm	333
2011	40.8 °C31 May 2011	18.1 °C20 January 2011	28.8 °C	1,185 mm	289
2010	41.6 °C27 May 2010	18.7 °C3 March 2010	28.9 °C	1,400 mm	312
2009	41.2 °C11 May 2009	18.4 °C11 February 2009	29.1 °C	1,058 mm	297
2008	40.6 °C6 June 2008	18.3 °C19 January 2008	28.7 °C	1,381 mm	307
2007	41.2 °C14 May 2007	18.5 °C16 November 2007	28.7 °C	1,202 mm	317
2006	40.2 °C15 May 2006	17.2 °C20 January 2006	28.8 °C	1,050 mm	294
2005	40.8 °C16 June 2005	18.7 °C11 January 2005	28.9 °C	1,238 mm	298
2004	41.3 °C18 April 2004	18.3 °C1 March 2004	28.6 °C	1,135 mm	290
2003	40.5 °C31 May 2003	18.9 °C10 December 2003	29.1 °C	928 mm	317
2002	40.6 °C21 May 2002	17.9 °C15 January 2002	28.8 °C	743 mm	292
2001	41.0 °C16 May 2001	18.4 °C10 February 2001	28.9 °C	863 mm	298
2000	40.7 °C22 May 2000	16.8 °C23 January 2000	28.5 °C	886 mm	289
1999	40.2 °C14 April 1999	17.2 °C27 January 1999	28.4 °C	837 mm	294
1998	41.3 °C29 May 1998	19.5 °C16 January 1998	29.0 °C	946 mm	315
1997	40.3 °C29 May 1997	16.9 °C1 February 1997	28.8 °C	1,023 mm	298
1996	40.6 °C4 August 1996	17.4 °C3 December 1996	28.4 °C	1,164 mm	316
1995	39.7 °C14 June 1995	19.0 °C2 January 1995	28.7 °C	764 mm	312
1994	40.1 °C18 May 1994	18.9 °C30 January 1994	28.5 °C	884 mm	273
1993	40.8 °C2 June 1993	17.4 °C20 January 1993	28.6 °C	1,034 mm	285
1992	40.5 °C11 May 1992	18.4 °C8 January 1992	28.5 °C	704 mm	301
1991	41.2 °C29 April 1991	18.3 °C12 February 1991	28.7 °C	835 mm	300
1990	40.6 °C24 August 1990	15.0 °C20 January 1990	28.9 °C	1,090 mm	305
1989	41.8 °C28 April 1989	16.7 °C4 February 1989	28.5 °C	863 mm	315
1988	41.6 °C10 May 1988	18.3 °C29 November 1988	28.8 °C	860 mm	329
1987	41.9 °C7 June 1987	19.1 °C14 February 1987	29.0 °C	712 mm	319
1986	42.1 °C21 May 1986	17.6 °C17 November 1986	28.8 °C	791 mm	291
1985	41.8 °C23 April 1985	18.4 °C6 February 1985	28.6 °C	756 mm	279
1984	39.8 °C15 May 1984	15.7 °C14 December 1984	28.0 °C	1,261 mm	256
1983	41.6 °C24 May 1983	18.2 °C3 January 1983	28.9 °C	1,129 mm	310
1982	41.2 °C4 April 1982	17.7 °C14 February 1982	28.7 °C	607 mm	292
1981	41.6 °C27 May 1981	16.9 °C8 December 1981	28.4 °C	848 mm	302
1980	42.4 °C25 May 1980	17.4 °C28 January 1980	28.9 °C	608 mm	306
1979	40.5 °C5 May 1979	18.8 °C11 January 1979	28.6 °C	816 mm	275
1978	41.5 °C18 May 1978	16.2 °C19 January 1978	28.7 °C	944 mm	320
1977	39.9 °C2 June 1977	16.6 °C13 January 1977	28.3 °C	821 mm	286
1976	41.2 °C24 May 1976	15.8 °C26 February 1976	28.3 °C	723 mm	285
1975	41.8 °C12 June 1975	18.0 °C3 December 1975	28.3 °C	909 mm	302
1974	40.0 °C30 April 1974	16.2 °C6 February 1974	28.3 °C	509 mm	317
1973	42.0 °C17 May 1973	18.6 °C15 January 1973	28.5 °C	844 mm	291
1972	39.7 °C5 June 1972	17.5 °C12 January 1972	28.1 °C	1,034 mm	286
1971	40.8 °C3 May 1971	17.6 °C12 February 1971	27.9 °C	930 mm	284
1970	41.1 °C16 May 1970	17.8 °C4 December 1970	28.4 °C	721 mm	288
1969	40.9 °C11 May 1969	17.5 °C27 January 1969	28.8 °C	1,092 mm	301
1968	40.2 °C20 May 1968	17.9 °C7 February 1968	28.2 °C	836 mm	288
1967	41.3 °C7 May 1967	17.3 °C11 February 1967	28.0 °C	1,282 mm	277
1966	42.5 °C24 May 1966	18.2 °C2 January 1966	27.8 °C	1,287 mm	274
1965	40.5 °C31 May 1965	18.7 °C25 January 1965	27.9 °C	1,158 mm	282
1964	41.9 °C27 May 1964	17.0 °C15 January 1964	28.2 °C	925 mm	292
1963	42.5 °C27 May 1963	16.9 °C13 February 1963	27.9 °C	1,160 mm	252
1962	40.2 °C28 April 1962	18.3 °C11 January 1962	28.0 °C	926 mm	270
1961	39.5 °C11 May 1961	17.9 °C26 February 1961	27.8 °C	763 mm	276
1960	40.4 °C19 August 1960	17.2 °C3 February 1960	28.2 °C	808 mm	284
1959	40.8 °C24 May 1959	19.5 °C12 February 1959	28.4 °C	776 mm	299
1958	40.6 °C4 June 1958	18.8 °C5 February 1958	28.5 °C	953 mm	286
1957	40.3 °C8 May 1957	16.2 °C6 February 1957	28.1 °C	781 mm	274
1956	43.0 °C13 May 1956	16.6 °C21 January 1956	27.7 °C	1,046 mm	256
1955	39.9 °C14 April 1955	17.2 °C30 December 1955	27.5 °C	1,059 mm	276
1954	40.7 °C17 April 1954	16.4 °C20 January 1954	27.7 °C	1,132 mm	277
1953	41.6 °C2 June 1953	18.8 °C31 January 1953	28.4 °C	705 mm	332
1952	42.2 °C20 May 1952	18.6 °C21 January 1952	28.8 °C	496 mm	358
1951	40.9 °C15 May 1951	19.0 °C4 January 1951	28.3 °C	894 mm	334
1950	41.2 °C18 May 1950	18.4 °C3 January 1950	28.7 °C	378 mm	364
1949	40.0 °C25 April 1949	18.8 °C18 February 1949	27.8 °C	701 mm	317
1948	40.5 °C21 May 1948	19.5 °C27 December 1948	28.4 °C	988 mm	296
1947	40.3 °C3 June 1947	17.8 °C9 February 1947	28.0 °C	860 mm	296
1946	41.7 °C6 May 1946	16.3 °C29 January 1946	28.1 °C	1,050 mm	286
1945	41.1 °C2 May 1945	17.3 °C4 January 1945	28.2 °C	695 mm	291
1944	39.6 °C17 June 1944	17.8 °C26 January 1944	27.8 °C	1,190 mm	279
1943	40.8 °C30 April 1943	18.4 °C17 February 1943	27.2 °C	946 mm	285
1942	39.0 °C8 August 1942	17.1 °C1 January 1942	27.3 °C	782 mm	290
1941	41.6 °C30 April 1941	15.9 °C30 December 1941	27.7 °C	1,079 mm	279
1940	38.9 °C3 April 1940	17.3 °C9 January 1940	27.4 °C	971 mm	293

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

34.0 °C

+0.1 °C

Hot days (≥ 30 °C)

309 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1013 mm

+63 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.8 °C	+0.1 °C	42 mm	+10 mm
Feb	32.7 °C	+0.5 °C	18 mm	-1 mm
Mar	33.9 °C	-0.9 °C	43 mm	+18 mm
Apr	36.0 °C	-0.4 °C	40 mm	-0 mm
May	36.4 °C	-1.2 °C	96 mm	+35 mm
Jun	37.3 °C	+0.5 °C	41 mm	-18 mm
Jul	38.0 °C	+1.8 °C	24 mm	-35 mm
Aug	35.5 °C	-0.5 °C	91 mm	+17 mm
Sep	35.4 °C	+0.2 °C	98 mm	-11 mm
Oct	32.4 °C	-0.1 °C	207 mm	+22 mm
Nov	30.4 °C	+0.4 °C	278 mm	+98 mm
Dec	29.5 °C	+0.6 °C	36 mm	-72 mm

The year's extremes

Hottest day

39.8 °C

6 Jul 2025

Coldest day

19.5 °C

14 Feb 2025

Wettest day

104.5 mm

29 Nov 2025

Windiest day

30.1 km/h

19 Jul 2025

Strongest gust

63.7 km/h

26 Jul 2025

Hottest feels-like

46.1 °C

4 May 2025

Coldest feels-like

21.1 °C

15 Dec 2025

Sunniest day

12.3 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 Pattukkottai?

Pattukkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 950 mm of precipitation per year.

What is the hottest day ever recorded in Pattukkottai?

The hottest day measured in Pattukkottai between 1940 and 2025 was 13 May 1956, reaching 43.0 °C.

What is the coldest day in Pattukkottai?

The coldest day measured in Pattukkottai between 1940 and 2025 was 20 January 1990, at 15.0 °C.

Does it snow in Pattukkottai?

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

Has the climate of Pattukkottai warmed?

Yes: Pattukkottai warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pattukkottai?

The wettest day measured in Pattukkottai between 1940 and 2025 was 22 December 1983, with 336 mm of rain in 24 hours.

What was the windiest day in Pattukkottai?

The windiest day measured in Pattukkottai between 1940 and 2025 was 8 June 1953, with winds reaching 35.0 km/h.

What is the warmest month in Pattukkottai?

The warmest month in Pattukkottai is May (31.4 °C on average); the coldest is January (25.0 °C).

How much does it rain in Pattukkottai?

Pattukkottai receives on average 950 mm of precipitation per year, spread over about 142 rainy days.

Is it sunny in Pattukkottai?

Pattukkottai gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Pattukkottai?

Yes: Pattukkottai has on average 350 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pattukkottai?

In Pattukkottai, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 2 June 2014, and the lowest was 15.8 °C on 20 January 1990.

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