Anaimalai climate — normals and trends

Q: What is the climate of Anaimalai?

Anaimalai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.0 °C and it receives 1,364 mm of precipitation per year.

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

The hottest day measured in Anaimalai between 1940 and 2025 was 4 April 2007, reaching 37.4 °C.

Q: What is the coldest day in Anaimalai?

The coldest day measured in Anaimalai between 1940 and 2025 was 31 December 1941, at 13.2 °C.

Q: Does it snow in Anaimalai?

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

Q: Has the climate of Anaimalai warmed?

Yes: Anaimalai warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Anaimalai?

The wettest day measured in Anaimalai between 1940 and 2025 was 9 November 1957, with 160 mm of rain in 24 hours.

Q: What was the windiest day in Anaimalai?

The windiest day measured in Anaimalai between 1940 and 2025 was 23 July 1989, with winds reaching 27.6 km/h.

Q: What is the warmest month in Anaimalai?

The warmest month in Anaimalai is April (26.7 °C on average); the coldest is December (22.2 °C).

Q: How much does it rain in Anaimalai?

Anaimalai receives on average 1,364 mm of precipitation per year, spread over about 200 rainy days.

Q: Is it sunny in Anaimalai?

Anaimalai gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Anaimalai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.0 °C and it receives 1,364 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 April (26.7 °C on average) and the coldest is December (22.2 °C). Rainfall peaks in July.

Anaimalai averages 0 frost days, 104 hot days (≥ 30 °C) and 200 rainy days per year.

Anaimalai has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.4 °C (on 4 April 2007) and the coldest 13.2 °C (on 31 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

AnaimalaiTamil Nadu

coords: 10.58°, 76.93°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthJulyDriest monthJanuary

Mean daily temperature

24.0°C

Average daily high

28.4°C

Average daily low

20.7°C

Annual rainfall

1,364mm

Sunshine / day

9.9h

Mean relative humidity

74%

Average peak wind

13.5km/h

Seasonal range

4.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

104 d/yr

Rainy days (≥ 1 mm)

200 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.5 °C

Average feels-like low

22.8 °C

Average peak gust

42.7 km/h

Tropical nights (≥ 20 °C)

261 d/yr

Solar radiation

18.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.78 · 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

37.4 °C

4 April 2007

Coldest day

13.2 °C

31 December 1941

Wettest day

160 mm

9 November 1957

Windiest day

27.6 km/h

23 July 1989

Strongest gust

106.2 km/h

23 July 1989

Hottest feels-like

40.6 °C

14 April 2016

Coldest feels-like

11.3 °C

27 January 1946

Sunniest day

12.1 h

26 May 1981

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.9 °C30 March 2025	15.1 °C20 December 2025	24.5 °C	1,692 mm	109
2024	36.6 °C25 April 2024	18.2 °C16 December 2024	25.3 °C	1,751 mm	122
2023	36.0 °C14 April 2023	16.4 °C11 January 2023	25.0 °C	1,431 mm	142
2022	36.3 °C4 April 2022	18.0 °C19 November 2022	24.4 °C	1,780 mm	81
2021	35.7 °C7 April 2021	17.0 °C28 January 2021	24.6 °C	1,879 mm	91
2020	36.0 °C23 April 2020	16.8 °C27 December 2020	25.2 °C	1,318 mm	145
2019	37.2 °C12 April 2019	17.0 °C17 January 2019	25.3 °C	1,425 mm	141
2018	35.6 °C28 April 2018	16.6 °C3 February 2018	24.7 °C	1,658 mm	101
2017	36.0 °C1 April 2017	17.8 °C1 January 2017	25.0 °C	1,361 mm	124
2016	37.0 °C18 April 2016	17.8 °C15 January 2016	25.3 °C	839 mm	120
2015	35.2 °C24 March 2015	16.0 °C13 January 2015	24.8 °C	1,742 mm	124
2014	36.8 °C31 March 2014	17.5 °C5 December 2014	24.9 °C	1,663 mm	127
2013	35.7 °C24 March 2013	17.1 °C19 December 2013	24.9 °C	1,378 mm	150
2012	35.9 °C19 March 2012	14.6 °C16 January 2012	25.0 °C	1,015 mm	145
2011	35.7 °C23 March 2011	15.3 °C27 December 2011	24.4 °C	1,603 mm	112
2010	37.2 °C11 April 2010	17.0 °C28 December 2010	24.8 °C	1,776 mm	127
2009	36.4 °C4 April 2009	14.8 °C1 January 2009	24.8 °C	1,698 mm	122
2008	35.9 °C21 April 2008	15.6 °C29 December 2008	24.2 °C	1,559 mm	81
2007	37.4 °C4 April 2007	15.8 °C5 January 2007	24.5 °C	1,615 mm	119
2006	35.9 °C28 March 2006	15.8 °C30 December 2006	24.3 °C	1,533 mm	89
2005	35.9 °C22 March 2005	16.0 °C28 December 2005	24.6 °C	1,423 mm	117
2004	36.9 °C22 March 2004	15.8 °C15 January 2004	24.3 °C	1,450 mm	106
2003	35.8 °C25 April 2003	14.6 °C9 December 2003	24.5 °C	1,183 mm	129
2002	36.3 °C30 April 2002	14.6 °C14 January 2002	24.4 °C	1,005 mm	114
2001	34.8 °C20 March 2001	15.3 °C10 December 2001	24.1 °C	1,202 mm	96
2000	34.8 °C20 March 2000	15.2 °C14 December 2000	24.0 °C	1,302 mm	102
1999	36.3 °C23 March 1999	15.0 °C27 January 1999	23.9 °C	1,164 mm	83
1998	36.7 °C18 April 1998	15.2 °C26 December 1998	24.7 °C	1,328 mm	128
1997	36.4 °C16 March 1997	16.5 °C1 January 1997	24.4 °C	1,363 mm	132
1996	35.7 °C25 March 1996	15.3 °C25 December 1996	24.0 °C	1,599 mm	108
1995	35.1 °C2 April 1995	14.8 °C3 January 1995	24.3 °C	1,065 mm	106
1994	36.2 °C19 March 1994	14.9 °C13 December 1994	23.8 °C	1,544 mm	85
1993	36.3 °C10 May 1993	14.7 °C20 January 1993	23.9 °C	1,474 mm	99
1992	35.8 °C28 March 1992	14.4 °C27 December 1992	24.0 °C	1,399 mm	115
1991	36.6 °C20 March 1991	15.8 °C15 January 1991	24.4 °C	1,218 mm	123
1990	35.9 °C30 March 1990	13.3 °C15 January 1990	24.0 °C	1,340 mm	113
1989	36.7 °C7 April 1989	15.5 °C3 February 1989	24.2 °C	1,202 mm	122
1988	35.6 °C22 March 1988	15.8 °C7 January 1988	24.4 °C	1,029 mm	112
1987	36.6 °C22 April 1987	16.4 °C1 February 1987	24.7 °C	1,006 mm	133
1986	36.2 °C22 March 1986	16.8 °C3 January 1986	24.4 °C	859 mm	123
1985	35.3 °C27 March 1985	15.9 °C30 November 1985	24.1 °C	1,032 mm	117
1984	34.4 °C10 May 1984	15.3 °C21 December 1984	23.4 °C	1,388 mm	62
1983	36.4 °C4 April 1983	15.5 °C8 January 1983	24.6 °C	1,291 mm	136
1982	35.4 °C31 March 1982	15.8 °C15 January 1982	24.3 °C	790 mm	124
1981	34.8 °C31 March 1981	14.5 °C12 December 1981	24.0 °C	1,192 mm	108
1980	36.2 °C14 April 1980	14.9 °C15 January 1980	24.1 °C	1,383 mm	112
1979	36.0 °C6 April 1979	15.5 °C13 January 1979	24.0 °C	1,493 mm	88
1978	36.1 °C13 April 1978	14.9 °C17 January 1978	23.9 °C	1,396 mm	100
1977	35.1 °C23 March 1977	15.3 °C14 January 1977	24.0 °C	1,389 mm	96
1976	35.7 °C21 April 1976	15.6 °C22 January 1976	23.9 °C	1,068 mm	92
1975	36.1 °C7 April 1975	15.2 °C27 December 1975	23.7 °C	1,244 mm	96
1974	35.2 °C14 April 1974	14.2 °C7 January 1974	23.9 °C	925 mm	93
1973	36.0 °C20 March 1973	16.1 °C24 December 1973	24.1 °C	1,125 mm	119
1972	35.9 °C1 April 1972	14.1 °C7 January 1972	24.0 °C	1,149 mm	100
1971	35.4 °C1 April 1971	14.3 °C22 December 1971	23.4 °C	1,158 mm	71
1970	35.3 °C29 March 1970	13.3 °C7 December 1970	23.7 °C	1,202 mm	79
1969	36.3 °C25 April 1969	16.0 °C9 November 1969	24.1 °C	1,484 mm	102
1968	34.4 °C16 May 1968	14.8 °C12 December 1968	23.6 °C	1,404 mm	83
1967	35.0 °C4 April 1967	15.6 °C5 January 1967	23.6 °C	1,677 mm	84
1966	35.4 °C27 March 1966	15.8 °C23 December 1966	23.5 °C	2,100 mm	99
1965	35.3 °C12 April 1965	15.1 °C13 January 1965	23.2 °C	1,485 mm	80
1964	36.4 °C29 April 1964	14.3 °C13 January 1964	23.6 °C	1,470 mm	117
1963	34.8 °C8 April 1963	14.5 °C31 December 1963	23.3 °C	1,340 mm	87
1962	34.1 °C28 March 1962	15.5 °C4 January 1962	23.4 °C	1,694 mm	62
1961	35.9 °C22 March 1961	15.7 °C29 January 1961	23.4 °C	1,542 mm	87
1960	35.4 °C28 March 1960	15.1 °C21 December 1960	23.5 °C	1,424 mm	95
1959	36.1 °C24 March 1959	15.4 °C6 December 1959	23.8 °C	1,483 mm	110
1958	35.3 °C9 April 1958	15.0 °C11 January 1958	23.9 °C	1,248 mm	93
1957	35.4 °C16 May 1957	15.1 °C7 January 1957	23.7 °C	1,793 mm	109
1956	36.2 °C29 March 1956	14.0 °C4 January 1956	23.1 °C	1,199 mm	79
1955	35.5 °C18 April 1955	13.8 °C20 December 1955	23.0 °C	1,425 mm	80
1954	36.2 °C20 April 1954	14.5 °C17 January 1954	23.2 °C	1,591 mm	80
1953	35.5 °C19 March 1953	15.6 °C4 January 1953	23.6 °C	1,073 mm	123
1952	35.3 °C14 April 1952	16.6 °C20 January 1952	23.8 °C	887 mm	130
1951	34.6 °C8 April 1951	15.2 °C1 January 1951	23.6 °C	1,133 mm	120
1950	35.9 °C26 April 1950	15.5 °C25 December 1950	23.5 °C	743 mm	119
1949	34.5 °C18 April 1949	14.8 °C11 November 1949	22.9 °C	984 mm	77
1948	34.9 °C22 March 1948	15.2 °C27 December 1948	23.7 °C	1,278 mm	108
1947	33.9 °C5 May 1947	15.5 °C14 January 1947	23.6 °C	825 mm	66
1946	34.8 °C2 April 1946	13.9 °C4 January 1946	22.9 °C	1,638 mm	80
1945	35.0 °C21 March 1945	14.7 °C26 January 1945	23.1 °C	1,500 mm	96
1944	34.1 °C23 April 1944	14.1 °C11 December 1944	23.1 °C	1,644 mm	73
1943	34.4 °C6 April 1943	13.7 °C20 January 1943	22.2 °C	1,881 mm	76
1942	35.0 °C1 April 1942	13.8 °C1 January 1942	22.7 °C	1,288 mm	69
1941	34.3 °C12 May 1941	13.2 °C31 December 1941	22.8 °C	1,491 mm	90
1940	35.9 °C3 April 1940	13.7 °C15 January 1940	22.6 °C	1,515 mm	60

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

28.7 °C

+0.3 °C

Hot days (≥ 30 °C)

109 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1692 mm

+328 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.7 °C	+0.7 °C	22 mm	+7 mm
Feb	32.1 °C	+1.5 °C	2 mm	-14 mm
Mar	33.0 °C	+0.2 °C	48 mm	+16 mm
Apr	32.4 °C	-0.2 °C	95 mm	+26 mm
May	29.3 °C	-1.0 °C	301 mm	+185 mm
Jun	27.3 °C	+0.5 °C	220 mm	+16 mm
Jul	26.3 °C	+0.4 °C	390 mm	+154 mm
Aug	26.6 °C	+0.4 °C	176 mm	+11 mm
Sep	27.3 °C	0.0 °C	78 mm	-41 mm
Oct	27.8 °C	+0.3 °C	253 mm	+78 mm
Nov	26.9 °C	+0.3 °C	82 mm	-79 mm
Dec	27.3 °C	+0.9 °C	26 mm	-31 mm

The year's extremes

Hottest day

35.9 °C

30 Mar 2025

Coldest day

15.1 °C

20 Dec 2025

Wettest day

74.9 mm

30 May 2025

Windiest day

26.9 km/h

30 May 2025

Strongest gust

96.8 km/h

30 May 2025

Hottest feels-like

38.1 °C

29 Apr 2025

Coldest feels-like

14.5 °C

20 Dec 2025

Sunniest day

12.0 h

18 Mar 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 Anaimalai?

Anaimalai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.0 °C and it receives 1,364 mm of precipitation per year.

What is the hottest day ever recorded in Anaimalai?

The hottest day measured in Anaimalai between 1940 and 2025 was 4 April 2007, reaching 37.4 °C.

What is the coldest day in Anaimalai?

The coldest day measured in Anaimalai between 1940 and 2025 was 31 December 1941, at 13.2 °C.

Does it snow in Anaimalai?

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

Has the climate of Anaimalai warmed?

Yes: Anaimalai warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Anaimalai?

The wettest day measured in Anaimalai between 1940 and 2025 was 9 November 1957, with 160 mm of rain in 24 hours.

What was the windiest day in Anaimalai?

The windiest day measured in Anaimalai between 1940 and 2025 was 23 July 1989, with winds reaching 27.6 km/h.

What is the warmest month in Anaimalai?

The warmest month in Anaimalai is April (26.7 °C on average); the coldest is December (22.2 °C).

How much does it rain in Anaimalai?

Anaimalai receives on average 1,364 mm of precipitation per year, spread over about 200 rainy days.

Is it sunny in Anaimalai?

Anaimalai gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Anaimalai?

Yes: Anaimalai has on average 261 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Anaimalai?

In Anaimalai, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 14 April 2016, and the lowest was 11.3 °C on 27 January 1946.

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