Nānjikkottai climate — normals and trends

Q: What is the climate of Nānjikkottai?

Nānjikkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 883 mm of precipitation per year.

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

The hottest day measured in Nānjikkottai between 1940 and 2025 was 24 May 1966, reaching 44.0 °C.

Q: What is the coldest day in Nānjikkottai?

The coldest day measured in Nānjikkottai between 1940 and 2025 was 20 January 1990, at 14.7 °C.

Q: Does it snow in Nānjikkottai?

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

Q: Has the climate of Nānjikkottai warmed?

Yes: Nānjikkottai warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nānjikkottai?

The wettest day measured in Nānjikkottai between 1940 and 2025 was 22 December 1983, with 252 mm of rain in 24 hours.

Q: What was the windiest day in Nānjikkottai?

The windiest day measured in Nānjikkottai between 1940 and 2025 was 8 June 1953, with winds reaching 35.5 km/h.

Q: What is the warmest month in Nānjikkottai?

The warmest month in Nānjikkottai is May (31.7 °C on average); the coldest is January (24.7 °C).

Q: How much does it rain in Nānjikkottai?

Nānjikkottai receives on average 883 mm of precipitation per year, spread over about 132 rainy days.

Q: Is it sunny in Nānjikkottai?

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

Nānjikkottai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 883 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 (31.7 °C on average) and the coldest is January (24.7 °C). Rainfall peaks in October.

Nānjikkottai averages 0 frost days, 292 hot days (≥ 30 °C) and 132 rainy days per year.

Nānjikkottai has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 44.0 °C (on 24 May 1966) and the coldest 14.7 °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

NānjikkottaiTamil Nadu

coords: 10.73°, 79.14°
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

24.6°C

Annual rainfall

883mm

Sunshine / day

10.2h

Mean relative humidity

69%

Average peak wind

15.9km/h

Seasonal range

7.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

292 d/yr

Rainy days (≥ 1 mm)

132 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.1 °C

Average feels-like low

28.1 °C

Average peak gust

35.7 km/h

Tropical nights (≥ 20 °C)

346 d/yr

Solar radiation

19.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

44.0 °C

24 May 1966

Coldest day

14.7 °C

20 January 1990

Wettest day

252 mm

22 December 1983

Windiest day

35.5 km/h

8 June 1953

Strongest gust

75.6 km/h

12 July 1943

Hottest feels-like

48.1 °C

10 May 2013

Coldest feels-like

15.1 °C

20 January 1990

Sunniest day

12.5 h

16 May 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.1 °C30 August 2025	19.6 °C21 December 2025	29.0 °C	896 mm	294
2024	40.2 °C1 May 2024	20.3 °C17 January 2024	29.4 °C	1,328 mm	327
2023	39.6 °C3 June 2023	18.3 °C13 February 2023	28.9 °C	1,301 mm	306
2022	39.4 °C24 May 2022	20.3 °C3 February 2022	28.6 °C	1,107 mm	315
2021	40.1 °C31 May 2021	19.0 °C11 February 2021	28.9 °C	1,425 mm	311
2020	40.5 °C24 May 2020	19.8 °C15 January 2020	29.1 °C	1,102 mm	322
2019	41.0 °C28 June 2019	19.0 °C22 January 2019	29.4 °C	785 mm	315
2018	39.4 °C21 June 2018	18.4 °C3 February 2018	28.9 °C	824 mm	322
2017	40.9 °C6 June 2017	18.5 °C8 February 2017	29.1 °C	1,071 mm	317
2016	40.6 °C24 April 2016	19.5 °C24 December 2016	29.6 °C	602 mm	350
2015	40.6 °C6 July 2015	19.0 °C13 January 2015	29.0 °C	1,340 mm	302
2014	42.8 °C2 June 2014	19.1 °C6 February 2014	29.5 °C	1,091 mm	297
2013	43.3 °C10 May 2013	19.6 °C14 January 2013	29.3 °C	649 mm	329
2012	42.3 °C2 June 2012	17.0 °C19 January 2012	29.2 °C	708 mm	318
2011	41.9 °C31 May 2011	17.4 °C20 January 2011	28.8 °C	1,034 mm	282
2010	42.7 °C28 May 2010	18.6 °C4 March 2010	28.9 °C	1,340 mm	293
2009	41.7 °C11 May 2009	17.9 °C16 February 2009	29.1 °C	984 mm	288
2008	41.8 °C31 May 2008	17.7 °C19 January 2008	28.7 °C	1,286 mm	298
2007	42.0 °C15 May 2007	18.1 °C4 January 2007	28.6 °C	1,164 mm	300
2006	40.9 °C15 May 2006	16.9 °C20 January 2006	28.7 °C	976 mm	280
2005	41.3 °C26 May 2005	18.2 °C12 January 2005	28.8 °C	1,161 mm	291
2004	42.6 °C17 April 2004	18.0 °C17 January 2004	28.6 °C	1,056 mm	275
2003	42.6 °C22 May 2003	18.5 °C10 December 2003	29.2 °C	825 mm	305
2002	40.8 °C12 May 2002	17.7 °C15 January 2002	28.8 °C	685 mm	283
2001	41.5 °C12 May 2001	17.7 °C10 February 2001	28.8 °C	791 mm	283
2000	40.7 °C22 May 2000	16.4 °C23 January 2000	28.4 °C	801 mm	285
1999	40.7 °C13 April 1999	16.6 °C27 January 1999	28.5 °C	780 mm	285
1998	42.1 °C29 May 1998	19.5 °C16 January 1998	29.0 °C	917 mm	308
1997	41.4 °C29 May 1997	16.6 °C1 February 1997	28.8 °C	911 mm	289
1996	40.9 °C7 May 1996	17.4 °C3 December 1996	28.4 °C	1,157 mm	307
1995	40.3 °C2 June 1995	18.7 °C2 January 1995	28.6 °C	778 mm	293
1994	41.4 °C24 May 1994	18.1 °C30 January 1994	28.4 °C	855 mm	263
1993	41.7 °C2 May 1993	16.8 °C20 January 1993	28.6 °C	982 mm	273
1992	40.9 °C6 April 1992	17.5 °C10 March 1992	28.4 °C	677 mm	286
1991	41.7 °C2 May 1991	17.8 °C12 February 1991	28.7 °C	799 mm	291
1990	40.9 °C17 May 1990	14.7 °C20 January 1990	28.9 °C	908 mm	294
1989	43.2 °C15 May 1989	16.0 °C8 February 1989	28.5 °C	818 mm	298
1988	41.5 °C27 May 1988	18.2 °C6 February 1988	28.7 °C	823 mm	313
1987	41.7 °C4 June 1987	18.6 °C12 February 1987	29.0 °C	690 mm	307
1986	43.5 °C21 May 1986	17.1 °C17 November 1986	28.7 °C	709 mm	274
1985	42.7 °C23 April 1985	17.3 °C6 February 1985	28.7 °C	633 mm	278
1984	40.5 °C15 May 1984	15.9 °C14 December 1984	28.0 °C	1,151 mm	248
1983	42.4 °C24 May 1983	17.7 °C3 January 1983	28.9 °C	1,018 mm	302
1982	41.8 °C4 April 1982	17.4 °C14 February 1982	28.7 °C	546 mm	286
1981	41.6 °C27 May 1981	16.9 °C8 December 1981	28.4 °C	793 mm	297
1980	42.8 °C27 May 1980	16.8 °C28 January 1980	28.8 °C	603 mm	292
1979	41.3 °C6 May 1979	18.4 °C11 January 1979	28.6 °C	774 mm	269
1978	41.5 °C21 May 1978	16.0 °C19 January 1978	28.7 °C	878 mm	304
1977	40.8 °C23 May 1977	16.4 °C13 January 1977	28.3 °C	735 mm	272
1976	42.5 °C22 May 1976	15.6 °C26 February 1976	28.3 °C	663 mm	278
1975	42.6 °C4 May 1975	18.0 °C9 January 1975	28.3 °C	904 mm	295
1974	40.7 °C20 June 1974	15.7 °C7 February 1974	28.4 °C	454 mm	309
1973	44.0 °C10 May 1973	18.0 °C16 January 1973	28.5 °C	786 mm	285
1972	40.9 °C5 June 1972	17.3 °C12 January 1972	28.2 °C	978 mm	284
1971	41.0 °C6 May 1971	17.7 °C20 January 1971	28.0 °C	809 mm	278
1970	41.5 °C7 May 1970	17.7 °C4 December 1970	28.4 °C	714 mm	280
1969	41.8 °C11 May 1969	17.0 °C27 January 1969	28.9 °C	1,007 mm	295
1968	41.5 °C20 May 1968	17.1 °C7 February 1968	28.3 °C	733 mm	286
1967	41.4 °C7 May 1967	16.7 °C11 February 1967	28.1 °C	1,058 mm	274
1966	44.0 °C24 May 1966	18.1 °C14 December 1966	27.9 °C	1,170 mm	258
1965	41.6 °C31 May 1965	18.3 °C25 January 1965	27.9 °C	1,168 mm	278
1964	42.9 °C27 May 1964	16.6 °C15 January 1964	28.3 °C	881 mm	280
1963	42.8 °C27 May 1963	16.7 °C13 February 1963	28.0 °C	1,082 mm	254
1962	41.3 °C28 April 1962	17.9 °C11 January 1962	28.0 °C	839 mm	259
1961	40.0 °C22 April 1961	17.8 °C25 February 1961	27.9 °C	671 mm	270
1960	41.2 °C5 June 1960	16.5 °C4 February 1960	28.2 °C	814 mm	273
1959	42.0 °C24 May 1959	18.5 °C12 February 1959	28.6 °C	674 mm	292
1958	41.4 °C4 June 1958	18.2 °C5 February 1958	28.5 °C	952 mm	278
1957	41.6 °C8 May 1957	15.8 °C6 February 1957	28.2 °C	757 mm	268
1956	43.8 °C11 May 1956	16.0 °C21 January 1956	27.8 °C	926 mm	260
1955	41.2 °C14 April 1955	16.6 °C30 December 1955	27.6 °C	961 mm	273
1954	41.8 °C29 May 1954	16.2 °C20 January 1954	27.8 °C	1,035 mm	278
1953	42.8 °C3 June 1953	18.6 °C31 January 1953	28.5 °C	640 mm	327
1952	43.3 °C20 May 1952	18.4 °C21 January 1952	29.0 °C	486 mm	355
1951	41.5 °C15 May 1951	18.7 °C4 January 1951	28.4 °C	825 mm	325
1950	42.2 °C18 May 1950	18.1 °C26 January 1950	29.0 °C	350 mm	362
1949	42.1 °C25 April 1949	18.4 °C18 February 1949	27.9 °C	700 mm	314
1948	41.5 °C1 June 1948	19.4 °C27 February 1948	28.6 °C	889 mm	291
1947	41.1 °C15 May 1947	17.4 °C9 February 1947	28.1 °C	772 mm	290
1946	42.5 °C6 May 1946	15.7 °C29 January 1946	28.2 °C	945 mm	279
1945	41.9 °C3 May 1945	16.7 °C4 January 1945	28.4 °C	591 mm	284
1944	40.9 °C29 April 1944	17.4 °C6 February 1944	27.9 °C	1,034 mm	279
1943	41.5 °C30 April 1943	17.9 °C18 February 1943	27.3 °C	816 mm	277
1942	38.7 °C8 August 1942	17.0 °C1 January 1942	27.3 °C	774 mm	281
1941	42.0 °C29 May 1941	15.1 °C29 December 1941	27.8 °C	1,003 mm	280
1940	40.0 °C3 April 1940	16.3 °C9 January 1940	27.5 °C	804 mm	285

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

33.7 °C

-0.2 °C

Hot days (≥ 30 °C)

294 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

896 mm

+13 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.3 °C	0.0 °C	29 mm	+2 mm
Feb	32.2 °C	+0.2 °C	8 mm	-7 mm
Mar	34.0 °C	-1.1 °C	34 mm	+13 mm
Apr	36.2 °C	-0.8 °C	32 mm	-3 mm
May	36.1 °C	-2.0 °C	129 mm	+71 mm
Jun	36.6 °C	-0.5 °C	25 mm	-24 mm
Jul	36.9 °C	+0.7 °C	32 mm	-25 mm
Aug	35.7 °C	-0.2 °C	73 mm	+0 mm
Sep	35.4 °C	0.0 °C	87 mm	-16 mm
Oct	32.5 °C	+0.1 °C	173 mm	+2 mm
Nov	30.2 °C	+0.5 °C	241 mm	+70 mm
Dec	29.1 °C	+0.5 °C	31 mm	-70 mm

The year's extremes

Hottest day

39.1 °C

30 Aug 2025

Coldest day

19.6 °C

21 Dec 2025

Wettest day

99.0 mm

29 Nov 2025

Windiest day

28.4 km/h

28 May 2025

Strongest gust

68.8 km/h

28 May 2025

Hottest feels-like

45.6 °C

4 May 2025

Coldest feels-like

21.1 °C

21 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 Nānjikkottai?

Nānjikkottai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 883 mm of precipitation per year.

What is the hottest day ever recorded in Nānjikkottai?

The hottest day measured in Nānjikkottai between 1940 and 2025 was 24 May 1966, reaching 44.0 °C.

What is the coldest day in Nānjikkottai?

The coldest day measured in Nānjikkottai between 1940 and 2025 was 20 January 1990, at 14.7 °C.

Does it snow in Nānjikkottai?

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

Has the climate of Nānjikkottai warmed?

Yes: Nānjikkottai warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nānjikkottai?

The wettest day measured in Nānjikkottai between 1940 and 2025 was 22 December 1983, with 252 mm of rain in 24 hours.

What was the windiest day in Nānjikkottai?

The windiest day measured in Nānjikkottai between 1940 and 2025 was 8 June 1953, with winds reaching 35.5 km/h.

What is the warmest month in Nānjikkottai?

The warmest month in Nānjikkottai is May (31.7 °C on average); the coldest is January (24.7 °C).

How much does it rain in Nānjikkottai?

Nānjikkottai receives on average 883 mm of precipitation per year, spread over about 132 rainy days.

Is it sunny in Nānjikkottai?

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

Are there tropical nights in Nānjikkottai?

Yes: Nānjikkottai has on average 346 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nānjikkottai?

In Nānjikkottai, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 10 May 2013, and the lowest was 15.1 °C on 20 January 1990.

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