Lālpettai climate — normals and trends

Q: What is the climate of Lālpettai?

Lālpettai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 902 mm of precipitation per year.

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

The hottest day measured in Lālpettai between 1940 and 2025 was 13 May 1956, reaching 44.2 °C.

Q: What is the coldest day in Lālpettai?

The coldest day measured in Lālpettai between 1940 and 2025 was 20 January 1990, at 16.0 °C.

Q: Does it snow in Lālpettai?

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

Q: Has the climate of Lālpettai warmed?

Yes: Lālpettai warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Lālpettai?

The wettest day measured in Lālpettai between 1940 and 2025 was 6 December 1972, with 255 mm of rain in 24 hours.

Q: What was the windiest day in Lālpettai?

The windiest day measured in Lālpettai between 1940 and 2025 was 4 December 1993, with winds reaching 39.4 km/h.

Q: What is the warmest month in Lālpettai?

The warmest month in Lālpettai is May (32.0 °C on average); the coldest is January (24.6 °C).

Q: How much does it rain in Lālpettai?

Lālpettai receives on average 902 mm of precipitation per year, spread over about 132 rainy days.

Q: Is it sunny in Lālpettai?

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

Lālpettai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 902 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 (32.0 °C on average) and the coldest is January (24.6 °C). Rainfall peaks in November.

Lālpettai averages 0 frost days, 276 hot days (≥ 30 °C) and 132 rainy days per year.

Lālpettai has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 44.2 °C (on 13 May 1956) and the coldest 16.0 °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

LālpettaiTamil Nadu

coords: 11.30°, 79.56°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthNovemberDriest monthFebruary

Mean daily temperature

28.5°C

Average daily high

33.4°C

Average daily low

24.8°C

Annual rainfall

902mm

Sunshine / day

10.2h

Mean relative humidity

70%

Average peak wind

15.2km/h

Seasonal range

7.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

276 d/yr

Rainy days (≥ 1 mm)

132 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.0 °C

Average feels-like low

28.4 °C

Average peak gust

34.6 km/h

Tropical nights (≥ 20 °C)

352 d/yr

Solar radiation

19.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.45 · 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

44.2 °C

13 May 1956

Coldest day

16.0 °C

20 January 1990

Wettest day

255 mm

6 December 1972

Windiest day

39.4 km/h

4 December 1993

Strongest gust

81.4 km/h

30 December 2011

Hottest feels-like

48.2 °C

16 May 1975

Coldest feels-like

16.6 °C

30 December 1941

Sunniest day

12.5 h

23 May 1981

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.2 °C4 May 2025	20.0 °C14 February 2025	28.9 °C	962 mm	280
2024	40.7 °C1 May 2024	21.1 °C17 January 2024	29.3 °C	1,623 mm	319
2023	39.8 °C3 June 2023	19.2 °C13 February 2023	28.9 °C	1,208 mm	296
2022	39.1 °C24 May 2022	19.1 °C9 December 2022	28.6 °C	1,123 mm	302
2021	39.7 °C28 May 2021	20.0 °C11 February 2021	28.8 °C	1,375 mm	292
2020	40.9 °C21 May 2020	20.2 °C27 January 2020	28.9 °C	1,214 mm	302
2019	41.1 °C9 June 2019	19.6 °C22 January 2019	29.4 °C	905 mm	290
2018	38.9 °C31 May 2018	19.3 °C3 February 2018	28.9 °C	716 mm	304
2017	41.0 °C15 May 2017	19.1 °C8 February 2017	29.0 °C	1,181 mm	293
2016	41.0 °C22 April 2016	19.8 °C24 December 2016	29.3 °C	608 mm	327
2015	39.8 °C25 June 2015	20.0 °C15 January 2015	28.9 °C	1,446 mm	286
2014	43.0 °C23 May 2014	19.6 °C6 February 2014	29.3 °C	1,035 mm	286
2013	42.6 °C24 May 2013	19.5 °C22 December 2013	29.0 °C	717 mm	297
2012	42.2 °C21 May 2012	18.0 °C19 January 2012	29.1 °C	853 mm	297
2011	40.3 °C15 May 2011	18.6 °C28 December 2011	28.6 °C	964 mm	271
2010	42.7 °C27 May 2010	18.9 °C3 March 2010	28.7 °C	1,321 mm	282
2009	41.2 °C11 May 2009	18.3 °C16 February 2009	28.9 °C	1,063 mm	269
2008	40.8 °C3 May 2008	19.0 °C20 January 2008	28.5 °C	1,272 mm	277
2007	41.0 °C14 May 2007	19.1 °C26 December 2007	28.4 °C	1,215 mm	273
2006	40.8 °C30 April 2006	17.5 °C20 January 2006	28.5 °C	940 mm	263
2005	40.8 °C26 May 2005	18.4 °C14 February 2005	28.6 °C	1,333 mm	279
2004	41.9 °C17 April 2004	18.5 °C1 March 2004	28.2 °C	1,092 mm	262
2003	43.0 °C22 May 2003	19.1 °C25 January 2003	29.0 °C	829 mm	284
2002	41.0 °C9 May 2002	18.6 °C14 January 2002	28.7 °C	649 mm	271
2001	42.0 °C12 May 2001	18.5 °C10 February 2001	28.6 °C	836 mm	275
2000	41.1 °C22 May 2000	16.4 °C23 January 2000	28.3 °C	895 mm	272
1999	40.4 °C12 April 1999	17.6 °C27 January 1999	28.5 °C	865 mm	276
1998	42.6 °C31 May 1998	20.3 °C15 January 1998	28.9 °C	929 mm	295
1997	41.2 °C29 May 1997	17.3 °C1 February 1997	28.6 °C	884 mm	277
1996	41.5 °C7 May 1996	17.6 °C3 December 1996	28.3 °C	1,337 mm	284
1995	40.3 °C18 May 1995	19.3 °C2 January 1995	28.5 °C	730 mm	275
1994	41.1 °C10 May 1994	18.7 °C30 January 1994	28.4 °C	767 mm	249
1993	41.7 °C2 May 1993	17.5 °C20 January 1993	28.5 °C	1,099 mm	262
1992	42.1 °C22 May 1992	18.1 °C8 March 1992	28.3 °C	691 mm	274
1991	41.8 °C29 April 1991	18.7 °C12 February 1991	28.6 °C	853 mm	280
1990	41.2 °C17 May 1990	16.0 °C20 January 1990	28.7 °C	836 mm	279
1989	42.5 °C15 May 1989	16.4 °C7 February 1989	28.2 °C	868 mm	271
1988	40.8 °C11 May 1988	18.2 °C29 November 1988	28.6 °C	867 mm	281
1987	41.7 °C1 June 1987	19.1 °C12 February 1987	29.0 °C	678 mm	290
1986	43.5 °C21 May 1986	18.2 °C17 November 1986	28.6 °C	781 mm	253
1985	42.2 °C23 April 1985	18.3 °C6 February 1985	28.6 °C	703 mm	272
1984	40.6 °C21 May 1984	16.4 °C14 December 1984	28.0 °C	1,224 mm	239
1983	42.2 °C24 May 1983	18.5 °C3 January 1983	28.8 °C	860 mm	286
1982	40.8 °C4 April 1982	17.9 °C14 February 1982	28.7 °C	550 mm	275
1981	41.4 °C21 May 1981	17.2 °C1 February 1981	28.4 °C	712 mm	280
1980	43.3 °C21 May 1980	17.8 °C28 January 1980	28.8 °C	545 mm	281
1979	41.7 °C4 June 1979	19.2 °C1 February 1979	28.5 °C	806 mm	254
1978	41.7 °C21 May 1978	16.5 °C19 January 1978	28.6 °C	899 mm	272
1977	41.1 °C22 May 1977	16.9 °C13 January 1977	28.3 °C	778 mm	252
1976	42.4 °C3 May 1976	16.4 °C26 February 1976	28.4 °C	640 mm	261
1975	42.3 °C12 May 1975	18.7 °C9 January 1975	28.3 °C	907 mm	280
1974	40.4 °C30 April 1974	16.4 °C7 February 1974	28.3 °C	440 mm	281
1973	43.6 °C10 May 1973	18.7 °C16 January 1973	28.5 °C	727 mm	269
1972	42.4 °C5 June 1972	17.7 °C4 February 1972	28.3 °C	1,008 mm	265
1971	40.8 °C6 May 1971	17.4 °C12 February 1971	27.9 °C	880 mm	262
1970	41.0 °C5 May 1970	17.9 °C4 December 1970	28.3 °C	764 mm	262
1969	41.4 °C11 May 1969	17.0 °C27 January 1969	28.8 °C	1,122 mm	264
1968	40.6 °C30 May 1968	18.0 °C7 February 1968	28.3 °C	746 mm	270
1967	41.7 °C3 June 1967	16.7 °C10 February 1967	28.1 °C	1,024 mm	258
1966	43.9 °C24 May 1966	17.8 °C14 December 1966	27.9 °C	1,106 mm	250
1965	41.7 °C31 May 1965	18.4 °C8 March 1965	27.9 °C	1,074 mm	268
1964	43.2 °C27 May 1964	17.0 °C15 January 1964	28.3 °C	826 mm	267
1963	42.5 °C27 May 1963	17.3 °C13 February 1963	28.0 °C	1,093 mm	249
1962	40.6 °C28 April 1962	18.2 °C11 January 1962	27.9 °C	847 mm	246
1961	39.9 °C20 April 1961	18.4 °C26 February 1961	27.9 °C	647 mm	255
1960	41.4 °C5 June 1960	17.3 °C4 February 1960	28.1 °C	1,020 mm	252
1959	41.8 °C24 May 1959	19.1 °C12 February 1959	28.4 °C	739 mm	272
1958	41.9 °C5 June 1958	18.7 °C14 February 1958	28.4 °C	941 mm	264
1957	41.0 °C6 May 1957	16.8 °C6 February 1957	28.2 °C	826 mm	257
1956	44.2 °C13 May 1956	16.9 °C21 January 1956	27.8 °C	883 mm	242
1955	41.0 °C7 June 1955	17.5 °C30 December 1955	27.6 °C	1,030 mm	260
1954	41.9 °C29 May 1954	16.5 °C30 December 1954	27.9 °C	997 mm	271
1953	42.5 °C26 May 1953	19.5 °C30 January 1953	28.6 °C	641 mm	295
1952	43.4 °C19 May 1952	18.8 °C21 January 1952	29.1 °C	419 mm	337
1951	41.6 °C14 May 1951	17.9 °C27 February 1951	28.5 °C	772 mm	314
1950	42.3 °C18 May 1950	18.7 °C3 January 1950	29.1 °C	377 mm	355
1949	41.4 °C25 April 1949	19.9 °C7 January 1949	28.1 °C	618 mm	292
1948	41.4 °C22 May 1948	19.4 °C29 February 1948	28.7 °C	995 mm	270
1947	41.6 °C22 May 1947	18.6 °C9 February 1947	28.2 °C	733 mm	260
1946	42.8 °C6 May 1946	16.8 °C29 January 1946	28.2 °C	964 mm	262
1945	42.3 °C17 May 1945	17.5 °C7 February 1945	28.4 °C	662 mm	277
1944	40.5 °C16 May 1944	18.4 °C6 February 1944	28.0 °C	939 mm	267
1943	41.7 °C30 April 1943	17.9 °C22 February 1943	27.3 °C	878 mm	256
1942	38.9 °C8 August 1942	16.9 °C1 January 1942	27.3 °C	822 mm	262
1941	42.0 °C29 April 1941	16.1 °C28 December 1941	27.9 °C	1,104 mm	273
1940	39.9 °C13 May 1940	17.1 °C9 January 1940	27.6 °C	726 mm	276

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

33.2 °C

-0.2 °C

Hot days (≥ 30 °C)

280 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

962 mm

+60 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.1 °C	+0.5 °C	38 mm	+8 mm
Feb	31.9 °C	+0.8 °C	4 mm	-10 mm
Mar	33.6 °C	-0.4 °C	37 mm	+18 mm
Apr	35.9 °C	-0.4 °C	31 mm	+4 mm
May	36.0 °C	-2.1 °C	186 mm	+138 mm
Jun	35.9 °C	-1.2 °C	30 mm	-18 mm
Jul	35.7 °C	0.0 °C	43 mm	-19 mm
Aug	34.8 °C	-0.5 °C	57 mm	-21 mm
Sep	34.3 °C	-0.5 °C	73 mm	-26 mm
Oct	31.9 °C	-0.1 °C	182 mm	+13 mm
Nov	30.0 °C	+0.7 °C	236 mm	+49 mm
Dec	28.8 °C	+0.7 °C	43 mm	-75 mm

The year's extremes

Hottest day

39.2 °C

4 May 2025

Coldest day

20.0 °C

14 Feb 2025

Wettest day

122.6 mm

29 Nov 2025

Windiest day

27.5 km/h

27 May 2025

Strongest gust

58.0 km/h

27 May 2025

Hottest feels-like

47.3 °C

4 May 2025

Coldest feels-like

21.8 °C

15 Dec 2025

Sunniest day

12.3 h

12 May 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 Lālpettai?

Lālpettai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 902 mm of precipitation per year.

What is the hottest day ever recorded in Lālpettai?

The hottest day measured in Lālpettai between 1940 and 2025 was 13 May 1956, reaching 44.2 °C.

What is the coldest day in Lālpettai?

The coldest day measured in Lālpettai between 1940 and 2025 was 20 January 1990, at 16.0 °C.

Does it snow in Lālpettai?

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

Has the climate of Lālpettai warmed?

Yes: Lālpettai warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Lālpettai?

The wettest day measured in Lālpettai between 1940 and 2025 was 6 December 1972, with 255 mm of rain in 24 hours.

What was the windiest day in Lālpettai?

The windiest day measured in Lālpettai between 1940 and 2025 was 4 December 1993, with winds reaching 39.4 km/h.

What is the warmest month in Lālpettai?

The warmest month in Lālpettai is May (32.0 °C on average); the coldest is January (24.6 °C).

How much does it rain in Lālpettai?

Lālpettai receives on average 902 mm of precipitation per year, spread over about 132 rainy days.

Is it sunny in Lālpettai?

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

Are there tropical nights in Lālpettai?

Yes: Lālpettai has on average 352 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Lālpettai?

In Lālpettai, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 16 May 1975, and the lowest was 16.6 °C on 30 December 1941.

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