Thiruvarur climate — normals and trends

Q: What is the climate of Thiruvarur?

Thiruvarur has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 1,065 mm of precipitation per year.

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

The hottest day measured in Thiruvarur between 1940 and 2025 was 28 May 1985, reaching 37.0 °C.

Q: What is the coldest day in Thiruvarur?

The coldest day measured in Thiruvarur between 1940 and 2025 was 20 January 1990, at 20.0 °C.

Q: Does it snow in Thiruvarur?

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

Q: Has the climate of Thiruvarur warmed?

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

Q: What is the wettest day in Thiruvarur?

The wettest day measured in Thiruvarur between 1940 and 2025 was 6 December 1972, with 264 mm of rain in 24 hours.

Q: What was the windiest day in Thiruvarur?

The windiest day measured in Thiruvarur between 1940 and 2025 was 16 November 2018, with winds reaching 49.2 km/h.

Q: What is the warmest month in Thiruvarur?

The warmest month in Thiruvarur is May (30.1 °C on average); the coldest is January (25.2 °C).

Q: How much does it rain in Thiruvarur?

Thiruvarur receives on average 1,065 mm of precipitation per year, spread over about 133 rainy days.

Q: Is it sunny in Thiruvarur?

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

Thiruvarur (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.9 °C and it receives 1,065 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 (30.1 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in November.

Thiruvarur averages 0 frost days, 205 hot days (≥ 30 °C) and 133 rainy days per year.

Thiruvarur 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 37.0 °C (on 28 May 1985) and the coldest 20.0 °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

ThiruvarurTamil Nadu

coords: 10.77°, 79.64°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthNovemberDriest monthFebruary

Mean daily temperature

27.9°C

Average daily high

30.2°C

Average daily low

26.1°C

Annual rainfall

1,065mm

Sunshine / day

10.4h

Mean relative humidity

75%

Average peak wind

21.9km/h

Seasonal range

4.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

205 d/yr

Rainy days (≥ 1 mm)

133 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.4 °C

Average feels-like low

29.0 °C

Average peak gust

35.7 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.67 · 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

37.0 °C

28 May 1985

Coldest day

20.0 °C

20 January 1990

Wettest day

264 mm

6 December 1972

Windiest day

49.2 km/h

16 November 2018

Strongest gust

83.9 km/h

4 December 1993

Hottest feels-like

42.9 °C

29 May 2016

Coldest feels-like

17.3 °C

1 December 1984

Sunniest day

12.6 h

23 May 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.1 °C29 July 2025	23.1 °C15 February 2025	28.4 °C	1,332 mm	226
2024	34.8 °C21 July 2024	23.6 °C17 January 2024	28.7 °C	1,582 mm	236
2023	35.4 °C20 July 2023	22.2 °C16 January 2023	28.4 °C	1,455 mm	221
2022	34.4 °C13 July 2022	20.9 °C9 December 2022	28.1 °C	1,370 mm	206
2021	34.8 °C27 May 2021	22.8 °C11 February 2021	28.2 °C	1,619 mm	208
2020	35.9 °C19 May 2020	23.4 °C27 January 2020	28.4 °C	1,336 mm	220
2019	35.2 °C22 June 2019	22.6 °C22 January 2019	28.5 °C	941 mm	219
2018	34.5 °C10 June 2018	22.6 °C3 February 2018	28.1 °C	929 mm	204
2017	34.7 °C6 July 2017	22.4 °C20 February 2017	28.3 °C	1,417 mm	217
2016	34.8 °C10 July 2016	22.1 °C1 December 2016	28.7 °C	649 mm	238
2015	35.5 °C6 July 2015	22.8 °C15 January 2015	28.3 °C	1,625 mm	207
2014	35.6 °C7 June 2014	22.4 °C5 February 2014	28.4 °C	1,430 mm	213
2013	35.1 °C14 June 2013	22.7 °C10 December 2013	28.4 °C	658 mm	222
2012	34.5 °C6 June 2012	21.5 °C18 January 2012	28.2 °C	816 mm	223
2011	35.0 °C28 June 2011	21.2 °C28 December 2011	28.0 °C	1,172 mm	206
2010	34.7 °C17 May 2010	22.0 °C6 December 2010	28.3 °C	1,524 mm	221
2009	35.3 °C13 July 2009	22.0 °C12 February 2009	28.2 °C	1,410 mm	216
2008	34.3 °C11 June 2008	21.6 °C19 January 2008	27.9 °C	1,551 mm	196
2007	34.7 °C10 May 2007	21.6 °C25 December 2007	27.9 °C	1,246 mm	196
2006	35.3 °C3 July 2006	20.8 °C23 January 2006	28.1 °C	1,053 mm	210
2005	36.0 °C17 June 2005	21.9 °C12 January 2005	28.2 °C	1,531 mm	214
2004	34.4 °C22 August 2004	21.4 °C1 March 2004	27.9 °C	1,426 mm	198
2003	34.6 °C19 May 2003	21.2 °C15 December 2003	28.3 °C	879 mm	211
2002	35.1 °C11 May 2002	21.9 °C15 January 2002	28.2 °C	899 mm	210
2001	35.3 °C7 July 2001	21.7 °C11 February 2001	28.1 °C	1,124 mm	217
2000	34.7 °C25 April 2000	20.9 °C21 January 2000	28.0 °C	900 mm	205
1999	34.8 °C14 April 1999	21.8 °C27 January 1999	27.9 °C	917 mm	209
1998	34.7 °C29 May 1998	22.6 °C17 January 1998	28.5 °C	1,131 mm	230
1997	34.9 °C17 July 1997	21.0 °C17 February 1997	28.0 °C	1,059 mm	207
1996	34.2 °C2 August 1996	21.1 °C3 December 1996	27.8 °C	1,426 mm	201
1995	34.3 °C10 June 1995	22.5 °C2 January 1995	28.1 °C	797 mm	211
1994	34.7 °C2 June 1994	22.0 °C31 January 1994	27.8 °C	945 mm	202
1993	35.1 °C14 July 1993	21.6 °C20 January 1993	27.9 °C	1,251 mm	211
1992	35.7 °C17 June 1992	22.1 °C8 January 1992	27.8 °C	697 mm	209
1991	35.7 °C20 August 1991	22.2 °C12 February 1991	28.1 °C	858 mm	212
1990	34.5 °C22 June 1990	20.0 °C20 January 1990	28.2 °C	947 mm	229
1989	34.9 °C28 April 1989	20.5 °C4 February 1989	27.7 °C	893 mm	204
1988	35.5 °C18 May 1988	22.3 °C8 February 1988	28.2 °C	944 mm	224
1987	36.2 °C8 June 1987	22.8 °C15 February 1987	28.3 °C	829 mm	214
1986	35.2 °C18 May 1986	22.3 °C2 February 1986	28.0 °C	921 mm	215
1985	37.0 °C28 May 1985	22.1 °C29 January 1985	28.0 °C	1,025 mm	213
1984	35.4 °C13 June 1984	20.5 °C1 December 1984	27.6 °C	1,497 mm	175
1983	35.2 °C31 May 1983	21.8 °C31 January 1983	28.1 °C	1,191 mm	224
1982	34.3 °C1 June 1982	22.1 °C12 January 1982	27.9 °C	691 mm	204
1981	34.7 °C20 May 1981	21.1 °C1 February 1981	27.7 °C	879 mm	189
1980	35.9 °C25 May 1980	21.3 °C29 January 1980	28.1 °C	683 mm	204
1979	35.5 °C27 June 1979	22.5 °C30 January 1979	27.9 °C	1,004 mm	187
1978	34.6 °C18 May 1978	20.8 °C19 January 1978	27.9 °C	973 mm	206
1977	34.1 °C2 June 1977	20.7 °C27 January 1977	27.6 °C	902 mm	190
1976	35.1 °C24 May 1976	21.2 °C27 February 1976	27.5 °C	785 mm	199
1975	34.6 °C19 June 1975	21.9 °C11 January 1975	27.6 °C	1,087 mm	203
1974	34.2 °C18 May 1974	21.1 °C6 February 1974	27.7 °C	505 mm	215
1973	35.4 °C9 May 1973	22.1 °C16 January 1973	27.9 °C	1,011 mm	200
1972	34.2 °C5 June 1972	21.6 °C6 February 1972	27.6 °C	1,178 mm	183
1971	34.2 °C5 May 1971	21.6 °C11 February 1971	27.4 °C	1,150 mm	190
1970	34.4 °C8 July 1970	22.1 °C1 December 1970	27.8 °C	942 mm	201
1969	35.2 °C13 May 1969	21.1 °C27 January 1969	28.0 °C	1,261 mm	203
1968	34.1 °C12 July 1968	21.7 °C7 February 1968	27.7 °C	945 mm	189
1967	34.8 °C25 May 1967	21.2 °C9 February 1967	27.5 °C	1,299 mm	185
1966	35.0 °C26 May 1966	21.8 °C2 January 1966	27.5 °C	1,168 mm	184
1965	34.5 °C11 May 1965	22.1 °C20 January 1965	27.4 °C	1,330 mm	190
1964	35.7 °C27 May 1964	21.3 °C15 January 1964	27.7 °C	833 mm	202
1963	35.4 °C27 May 1963	21.2 °C11 February 1963	27.4 °C	1,445 mm	193
1962	34.2 °C24 May 1962	22.2 °C11 January 1962	27.5 °C	888 mm	171
1961	34.0 °C27 May 1961	21.9 °C1 March 1961	27.5 °C	857 mm	199
1960	34.6 °C22 May 1960	21.4 °C4 February 1960	27.6 °C	1,195 mm	197
1959	34.5 °C27 May 1959	22.8 °C11 February 1959	27.8 °C	956 mm	205
1958	34.4 °C5 June 1958	22.3 °C5 February 1958	27.9 °C	1,113 mm	202
1957	34.7 °C21 August 1957	21.6 °C6 February 1957	27.6 °C	1,069 mm	198
1956	36.2 °C13 May 1956	20.6 °C21 January 1956	27.2 °C	958 mm	178
1955	33.8 °C10 July 1955	21.5 °C30 December 1955	27.2 °C	1,070 mm	187
1954	34.2 °C27 May 1954	20.6 °C20 January 1954	27.3 °C	1,221 mm	191
1953	35.0 °C9 May 1953	22.2 °C1 January 1953	27.8 °C	648 mm	204
1952	35.5 °C20 May 1952	22.4 °C17 February 1952	28.0 °C	362 mm	239
1951	35.1 °C10 May 1951	22.0 °C27 February 1951	27.7 °C	737 mm	202
1950	34.5 °C11 April 1950	21.7 °C3 January 1950	27.8 °C	292 mm	234
1949	34.6 °C23 April 1949	22.5 °C7 January 1949	27.4 °C	621 mm	209
1948	34.6 °C18 May 1948	22.5 °C22 January 1948	27.7 °C	1,332 mm	205
1947	34.2 °C15 May 1947	22.3 °C1 March 1947	27.6 °C	915 mm	188
1946	35.3 °C4 June 1946	20.9 °C26 January 1946	27.5 °C	1,298 mm	215
1945	35.6 °C8 June 1945	20.4 °C13 December 1945	27.7 °C	877 mm	206
1944	34.5 °C17 June 1944	21.5 °C13 December 1944	27.4 °C	1,298 mm	177
1943	34.9 °C14 May 1943	21.9 °C22 January 1943	27.0 °C	1,189 mm	180
1942	34.0 °C19 June 1942	21.9 °C1 January 1942	27.2 °C	963 mm	185
1941	36.0 °C23 May 1941	20.8 °C29 December 1941	27.6 °C	1,430 mm	193
1940	33.8 °C13 May 1940	21.3 °C17 January 1940	27.3 °C	1,044 mm	203

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

30.6 °C

+0.4 °C

Hot days (≥ 30 °C)

226 d/yr

+21

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1332 mm

+267 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	+0.5 °C	75 mm	+23 mm
Feb	28.7 °C	+0.6 °C	19 mm	-3 mm
Mar	30.2 °C	+0.4 °C	56 mm	+31 mm
Apr	31.8 °C	+0.2 °C	40 mm	+6 mm
May	32.9 °C	+0.1 °C	93 mm	+51 mm
Jun	33.2 °C	+0.4 °C	21 mm	-9 mm
Jul	33.5 °C	+1.0 °C	24 mm	-17 mm
Aug	31.8 °C	-0.2 °C	61 mm	+9 mm
Sep	32.1 °C	+0.6 °C	71 mm	-4 mm
Oct	30.0 °C	+0.2 °C	262 mm	+70 mm
Nov	28.6 °C	+0.7 °C	532 mm	+232 mm
Dec	27.1 °C	+0.2 °C	78 mm	-121 mm

The year's extremes

Hottest day

35.1 °C

29 Jul 2025

Coldest day

23.1 °C

15 Feb 2025

Wettest day

189.1 mm

29 Nov 2025

Windiest day

42.3 km/h

28 Nov 2025

Strongest gust

67.0 km/h

28 Nov 2025

Hottest feels-like

42.5 °C

16 May 2025

Coldest feels-like

23.6 °C

21 Dec 2025

Sunniest day

12.3 h

1 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 Thiruvarur?

Thiruvarur has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 1,065 mm of precipitation per year.

What is the hottest day ever recorded in Thiruvarur?

The hottest day measured in Thiruvarur between 1940 and 2025 was 28 May 1985, reaching 37.0 °C.

What is the coldest day in Thiruvarur?

The coldest day measured in Thiruvarur between 1940 and 2025 was 20 January 1990, at 20.0 °C.

Does it snow in Thiruvarur?

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

Has the climate of Thiruvarur warmed?

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

What is the wettest day in Thiruvarur?

The wettest day measured in Thiruvarur between 1940 and 2025 was 6 December 1972, with 264 mm of rain in 24 hours.

What was the windiest day in Thiruvarur?

The windiest day measured in Thiruvarur between 1940 and 2025 was 16 November 2018, with winds reaching 49.2 km/h.

What is the warmest month in Thiruvarur?

The warmest month in Thiruvarur is May (30.1 °C on average); the coldest is January (25.2 °C).

How much does it rain in Thiruvarur?

Thiruvarur receives on average 1,065 mm of precipitation per year, spread over about 133 rainy days.

Is it sunny in Thiruvarur?

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

Are there tropical nights in Thiruvarur?

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

What was the most extreme apparent temperature in Thiruvarur?

In Thiruvarur, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 29 May 2016, and the lowest was 17.3 °C on 1 December 1984.

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