Cuddalore climate — normals and trends

Q: What is the climate of Cuddalore?

Cuddalore has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.8 °C and it receives 985 mm of precipitation per year.

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

The hottest day measured in Cuddalore between 1940 and 2025 was 13 May 1956, reaching 37.7 °C.

Q: What is the coldest day in Cuddalore?

The coldest day measured in Cuddalore between 1940 and 2025 was 15 January 1990, at 19.0 °C.

Q: Does it snow in Cuddalore?

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

Q: Has the climate of Cuddalore warmed?

Yes: Cuddalore warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cuddalore?

The wettest day measured in Cuddalore between 1940 and 2025 was 31 October 2012, with 208 mm of rain in 24 hours.

Q: What was the windiest day in Cuddalore?

The windiest day measured in Cuddalore between 1940 and 2025 was 4 December 1993, with winds reaching 54.3 km/h.

Q: What is the warmest month in Cuddalore?

The warmest month in Cuddalore is May (30.6 °C on average); the coldest is January (24.7 °C).

Q: How much does it rain in Cuddalore?

Cuddalore receives on average 985 mm of precipitation per year, spread over about 122 rainy days.

Q: Is it sunny in Cuddalore?

Cuddalore gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Cuddalore (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.8 °C and it receives 985 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 (30.6 °C on average) and the coldest is January (24.7 °C). Rainfall peaks in November.

Cuddalore averages 0 frost days, 208 hot days (≥ 30 °C) and 122 rainy days per year.

Cuddalore has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.7 °C (on 13 May 1956) and the coldest 19.0 °C (on 15 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

CuddaloreTamil Nadu

coords: 11.76°, 79.77°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthNovemberDriest monthFebruary

Mean daily temperature

27.8°C

Average daily high

30.3°C

Average daily low

25.8°C

Annual rainfall

985mm

Sunshine / day

10.3h

Mean relative humidity

74%

Average peak wind

20.0km/h

Seasonal range

5.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

208 d/yr

Rainy days (≥ 1 mm)

122 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.7 °C

Average feels-like low

29.0 °C

Average peak gust

32.8 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

19.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °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

37.7 °C

13 May 1956

Coldest day

19.0 °C

15 January 1990

Wettest day

208 mm

31 October 2012

Windiest day

54.3 km/h

4 December 1993

Strongest gust

88.9 km/h

30 December 2011

Hottest feels-like

44.5 °C

31 May 2024

Coldest feels-like

17.0 °C

9 December 2022

Sunniest day

12.6 h

31 May 1972

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.9 °C29 July 2025	22.2 °C14 February 2025	28.2 °C	975 mm	226
2024	35.0 °C31 May 2024	23.3 °C17 January 2024	28.6 °C	1,641 mm	232
2023	35.0 °C16 May 2023	21.7 °C16 January 2023	28.2 °C	1,191 mm	218
2022	33.8 °C1 July 2022	20.5 °C9 December 2022	28.0 °C	1,111 mm	211
2021	34.7 °C16 June 2021	22.4 °C7 February 2021	28.1 °C	1,547 mm	208
2020	36.4 °C19 May 2020	22.3 °C25 January 2020	28.2 °C	1,302 mm	216
2019	35.1 °C9 June 2019	21.8 °C22 January 2019	28.4 °C	987 mm	223
2018	35.2 °C22 July 2018	21.2 °C2 February 2018	28.1 °C	760 mm	209
2017	35.2 °C17 May 2017	21.9 °C8 February 2017	28.2 °C	1,260 mm	223
2016	35.6 °C15 June 2016	21.7 °C24 December 2016	28.5 °C	671 mm	238
2015	35.7 °C5 July 2015	21.5 °C13 November 2015	28.2 °C	1,383 mm	213
2014	36.0 °C15 June 2014	21.5 °C6 February 2014	28.3 °C	1,053 mm	213
2013	35.8 °C25 May 2013	21.1 °C10 December 2013	28.1 °C	750 mm	220
2012	35.1 °C25 May 2012	20.5 °C17 January 2012	28.1 °C	969 mm	222
2011	35.1 °C28 June 2011	21.0 °C27 December 2011	27.9 °C	1,076 mm	213
2010	35.8 °C25 May 2010	21.7 °C22 December 2010	28.1 °C	1,394 mm	218
2009	35.5 °C13 July 2009	21.0 °C19 January 2009	28.1 °C	1,255 mm	218
2008	35.2 °C2 May 2008	20.8 °C15 January 2008	27.8 °C	1,165 mm	202
2007	35.1 °C10 May 2007	20.8 °C26 December 2007	27.7 °C	1,270 mm	195
2006	35.5 °C3 July 2006	20.4 °C20 January 2006	27.9 °C	1,072 mm	206
2005	35.2 °C3 June 2005	20.8 °C14 February 2005	28.0 °C	1,639 mm	209
2004	34.6 °C17 April 2004	20.9 °C14 January 2004	27.5 °C	1,318 mm	195
2003	35.4 °C22 May 2003	20.0 °C15 December 2003	28.2 °C	816 mm	210
2002	35.3 °C19 May 2002	21.0 °C13 January 2002	28.0 °C	682 mm	208
2001	36.4 °C7 July 2001	21.3 °C7 February 2001	28.1 °C	1,017 mm	215
2000	35.6 °C15 May 2000	19.7 °C23 January 2000	27.9 °C	855 mm	211
1999	35.3 °C14 April 1999	20.5 °C27 January 1999	27.9 °C	888 mm	209
1998	35.7 °C29 May 1998	21.6 °C16 December 1998	28.2 °C	978 mm	219
1997	35.6 °C4 August 1997	20.3 °C17 February 1997	27.9 °C	935 mm	205
1996	34.9 °C2 August 1996	20.2 °C2 December 1996	27.7 °C	1,499 mm	194
1995	35.2 °C1 July 1995	20.9 °C2 January 1995	27.8 °C	756 mm	201
1994	35.4 °C2 June 1994	20.4 °C12 December 1994	27.8 °C	867 mm	206
1993	35.6 °C15 July 1993	20.5 °C19 January 1993	27.8 °C	1,262 mm	210
1992	35.4 °C20 June 1992	20.5 °C7 January 1992	27.7 °C	723 mm	217
1991	35.8 °C29 April 1991	21.4 °C29 November 1991	28.0 °C	881 mm	217
1990	35.3 °C22 June 1990	19.0 °C15 January 1990	28.0 °C	1,058 mm	223
1989	35.2 °C29 April 1989	19.6 °C4 February 1989	27.5 °C	1,034 mm	198
1988	35.9 °C10 May 1988	21.2 °C1 December 1988	28.0 °C	947 mm	215
1987	35.6 °C5 June 1987	21.4 °C2 February 1987	28.1 °C	841 mm	208
1986	35.9 °C18 May 1986	21.6 °C23 February 1986	28.0 °C	910 mm	212
1985	37.3 °C28 May 1985	21.3 °C28 January 1985	27.9 °C	881 mm	216
1984	35.9 °C28 June 1984	20.3 °C14 December 1984	27.6 °C	1,402 mm	178
1983	36.1 °C31 May 1983	20.9 °C9 January 1983	28.1 °C	865 mm	225
1982	35.3 °C4 May 1982	21.5 °C16 January 1982	28.0 °C	486 mm	212
1981	35.6 °C19 May 1981	20.0 °C10 December 1981	27.7 °C	746 mm	194
1980	36.2 °C23 May 1980	20.9 °C28 January 1980	28.1 °C	576 mm	204
1979	35.6 °C12 May 1979	21.6 °C13 January 1979	28.0 °C	998 mm	190
1978	35.3 °C16 May 1978	19.3 °C19 January 1978	27.9 °C	919 mm	204
1977	34.7 °C22 May 1977	20.1 °C13 January 1977	27.7 °C	1,110 mm	192
1976	35.9 °C24 May 1976	20.6 °C26 February 1976	27.7 °C	739 mm	204
1975	35.3 °C12 May 1975	20.5 °C11 January 1975	27.7 °C	901 mm	204
1974	35.2 °C17 June 1974	20.0 °C6 February 1974	27.7 °C	512 mm	206
1973	36.0 °C13 May 1973	21.4 °C15 January 1973	27.9 °C	823 mm	205
1972	35.5 °C5 June 1972	20.8 °C11 January 1972	27.7 °C	1,047 mm	192
1971	34.9 °C4 May 1971	21.1 °C22 December 1971	27.5 °C	1,073 mm	202
1970	34.8 °C4 May 1970	20.1 °C3 December 1970	27.7 °C	795 mm	206
1969	35.2 °C19 May 1969	19.8 °C27 January 1969	28.0 °C	1,262 mm	207
1968	34.9 °C30 May 1968	20.7 °C17 January 1968	27.7 °C	883 mm	193
1967	35.1 °C25 May 1967	19.7 °C9 February 1967	27.5 °C	1,096 mm	188
1966	36.0 °C24 May 1966	20.1 °C14 December 1966	27.5 °C	1,349 mm	186
1965	35.5 °C11 May 1965	21.1 °C14 January 1965	27.5 °C	1,187 mm	193
1964	36.9 °C13 May 1964	19.9 °C15 January 1964	27.7 °C	852 mm	210
1963	35.8 °C27 May 1963	20.1 °C13 February 1963	27.5 °C	1,258 mm	205
1962	34.9 °C2 August 1962	20.9 °C9 January 1962	27.5 °C	768 mm	183
1961	34.7 °C27 May 1961	20.9 °C27 December 1961	27.6 °C	633 mm	208
1960	35.4 °C22 May 1960	20.1 °C4 February 1960	27.6 °C	1,288 mm	195
1959	35.3 °C23 May 1959	21.5 °C22 December 1959	27.8 °C	838 mm	220
1958	35.4 °C5 June 1958	21.7 °C6 January 1958	27.9 °C	902 mm	215
1957	35.3 °C4 July 1957	20.0 °C6 February 1957	27.7 °C	887 mm	205
1956	37.7 °C13 May 1956	20.1 °C21 January 1956	27.3 °C	1,011 mm	193
1955	34.7 °C12 May 1955	20.7 °C30 December 1955	27.3 °C	1,134 mm	198
1954	35.4 °C29 May 1954	20.0 °C30 December 1954	27.4 °C	1,004 mm	205
1953	36.1 °C8 June 1953	21.2 °C22 December 1953	28.0 °C	618 mm	206
1952	36.3 °C20 May 1952	21.2 °C21 January 1952	28.3 °C	393 mm	240
1951	35.7 °C10 May 1951	20.9 °C29 December 1951	27.9 °C	719 mm	222
1950	36.9 °C25 May 1950	20.9 °C2 January 1950	28.0 °C	388 mm	234
1949	36.3 °C23 April 1949	21.3 °C7 January 1949	27.7 °C	617 mm	214
1948	35.6 °C18 May 1948	22.0 °C26 December 1948	27.9 °C	1,178 mm	206
1947	35.0 °C23 June 1947	21.4 °C6 February 1947	27.6 °C	820 mm	184
1946	36.7 °C12 May 1946	20.1 °C29 January 1946	27.6 °C	1,353 mm	218
1945	36.1 °C13 June 1945	20.5 °C7 February 1945	27.8 °C	875 mm	221
1944	35.1 °C24 July 1944	21.2 °C13 December 1944	27.5 °C	1,019 mm	192
1943	35.2 °C26 May 1943	21.1 °C4 January 1943	27.0 °C	1,116 mm	173
1942	34.1 °C8 May 1942	19.7 °C1 January 1942	27.2 °C	783 mm	187
1941	37.4 °C23 May 1941	19.2 °C26 December 1941	27.6 °C	1,194 mm	204
1940	34.8 °C13 May 1940	20.0 °C9 January 1940	27.5 °C	653 mm	213

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

30.5 °C

+0.2 °C

Hot days (≥ 30 °C)

226 d/yr

+18

Frost days (< 0 °C)

0 d/yr

Annual rainfall

975 mm

-10 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	+0.6 °C	34 mm	-1 mm
Feb	29.0 °C	+0.9 °C	5 mm	-9 mm
Mar	30.6 °C	+0.5 °C	36 mm	+17 mm
Apr	32.1 °C	+0.2 °C	22 mm	-2 mm
May	32.5 °C	-0.9 °C	119 mm	+83 mm
Jun	32.8 °C	-0.3 °C	44 mm	+10 mm
Jul	32.7 °C	+0.2 °C	32 mm	-20 mm
Aug	31.4 °C	-0.6 °C	73 mm	-1 mm
Sep	31.6 °C	+0.1 °C	64 mm	-22 mm
Oct	29.7 °C	0.0 °C	240 mm	+42 mm
Nov	28.6 °C	+0.7 °C	245 mm	-14 mm
Dec	27.3 °C	+0.4 °C	59 mm	-93 mm

The year's extremes

Hottest day

34.9 °C

29 Jul 2025

Coldest day

22.2 °C

14 Feb 2025

Wettest day

112.4 mm

29 Nov 2025

Windiest day

37.7 km/h

28 Nov 2025

Strongest gust

58.7 km/h

28 Nov 2025

Hottest feels-like

42.3 °C

12 May 2025

Coldest feels-like

23.1 °C

13 Dec 2025

Sunniest day

12.4 h

4 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 Cuddalore?

Cuddalore has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.8 °C and it receives 985 mm of precipitation per year.

What is the hottest day ever recorded in Cuddalore?

The hottest day measured in Cuddalore between 1940 and 2025 was 13 May 1956, reaching 37.7 °C.

What is the coldest day in Cuddalore?

The coldest day measured in Cuddalore between 1940 and 2025 was 15 January 1990, at 19.0 °C.

Does it snow in Cuddalore?

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

Has the climate of Cuddalore warmed?

Yes: Cuddalore warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cuddalore?

The wettest day measured in Cuddalore between 1940 and 2025 was 31 October 2012, with 208 mm of rain in 24 hours.

What was the windiest day in Cuddalore?

The windiest day measured in Cuddalore between 1940 and 2025 was 4 December 1993, with winds reaching 54.3 km/h.

What is the warmest month in Cuddalore?

The warmest month in Cuddalore is May (30.6 °C on average); the coldest is January (24.7 °C).

How much does it rain in Cuddalore?

Cuddalore receives on average 985 mm of precipitation per year, spread over about 122 rainy days.

Is it sunny in Cuddalore?

Cuddalore gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Cuddalore?

Yes: Cuddalore has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cuddalore?

In Cuddalore, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 31 May 2024, and the lowest was 17.0 °C on 9 December 2022.

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