Pathanāmthitta climate — normals and trends

Q: What is the climate of Pathanāmthitta?

Pathanāmthitta has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,362 mm of precipitation per year.

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

The hottest day measured in Pathanāmthitta between 1940 and 2025 was 27 March 1998, reaching 39.4 °C.

Q: What is the coldest day in Pathanāmthitta?

The coldest day measured in Pathanāmthitta between 1940 and 2025 was 21 December 1955, at 17.0 °C.

Q: Does it snow in Pathanāmthitta?

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

Q: Has the climate of Pathanāmthitta warmed?

Yes: Pathanāmthitta warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pathanāmthitta?

The wettest day measured in Pathanāmthitta between 1940 and 2025 was 4 May 1964, with 186 mm of rain in 24 hours.

Q: What was the windiest day in Pathanāmthitta?

The windiest day measured in Pathanāmthitta between 1940 and 2025 was 13 November 1992, with winds reaching 30.0 km/h.

Q: What is the warmest month in Pathanāmthitta?

The warmest month in Pathanāmthitta is March (28.3 °C on average); the coldest is July (25.4 °C).

Q: How much does it rain in Pathanāmthitta?

Pathanāmthitta receives on average 2,362 mm of precipitation per year, spread over about 247 rainy days.

Q: Is it sunny in Pathanāmthitta?

Pathanāmthitta gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Pathanāmthitta (India) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,362 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 March (28.3 °C on average) and the coldest is July (25.4 °C). Rainfall peaks in June.

Pathanāmthitta averages 0 frost days, 209 hot days (≥ 30 °C) and 247 rainy days per year.

Pathanāmthitta has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.4 °C (on 27 March 1998) and the coldest 17.0 °C (on 21 December 1955).

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

PathanāmthittaKerala

coords: 9.27°, 76.78°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthMarchColdest monthJulyWettest monthJuneDriest monthJanuary

Mean daily temperature

26.5°C

Average daily high

30.7°C

Average daily low

23.4°C

Annual rainfall

2,362mm

Sunshine / day

9.8h

Mean relative humidity

82%

Average peak wind

11.9km/h

Seasonal range

2.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

209 d/yr

Rainy days (≥ 1 mm)

247 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.0 °C

Average feels-like low

27.6 °C

Average peak gust

31.2 km/h

Tropical nights (≥ 20 °C)

360 d/yr

Solar radiation

18.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.5 °C

since 1940

+0.3 °C per decade · r² = 0.86 · 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

39.4 °C

27 March 1998

Coldest day

17.0 °C

21 December 1955

Wettest day

186 mm

4 May 1964

Windiest day

30.0 km/h

13 November 1992

Strongest gust

67.3 km/h

29 July 2025

Hottest feels-like

44.8 °C

27 April 2016

Coldest feels-like

15.9 °C

1 January 1951

Sunniest day

12.1 h

31 May 1948

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.7 °C27 February 2025	19.4 °C21 December 2025	27.2 °C	2,444 mm	265
2024	38.0 °C21 March 2024	21.4 °C25 December 2024	27.8 °C	2,965 mm	293
2023	37.0 °C14 March 2023	21.0 °C13 January 2023	27.8 °C	2,839 mm	318
2022	38.1 °C14 March 2022	21.0 °C24 November 2022	27.4 °C	2,689 mm	263
2021	36.8 °C4 March 2021	21.6 °C28 January 2021	27.3 °C	2,640 mm	263
2020	38.6 °C2 April 2020	22.5 °C7 September 2020	27.9 °C	2,317 mm	293
2019	38.9 °C24 February 2019	20.2 °C3 January 2019	27.9 °C	2,472 mm	299
2018	38.4 °C11 March 2018	21.4 °C9 January 2018	27.4 °C	2,484 mm	268
2017	37.0 °C1 March 2017	21.4 °C29 December 2017	27.5 °C	2,416 mm	279
2016	38.3 °C18 March 2016	21.7 °C4 January 2016	27.9 °C	1,711 mm	260
2015	37.7 °C28 March 2015	21.7 °C13 January 2015	27.6 °C	2,419 mm	306
2014	38.8 °C17 March 2014	22.2 °C1 January 2014	27.6 °C	2,639 mm	272
2013	37.9 °C8 March 2013	20.2 °C24 December 2013	27.3 °C	2,525 mm	267
2012	38.7 °C25 February 2012	20.1 °C3 January 2012	27.4 °C	1,955 mm	298
2011	36.9 °C12 March 2011	21.2 °C27 December 2011	27.2 °C	2,546 mm	271
2010	39.4 °C20 March 2010	20.5 °C14 December 2010	27.4 °C	2,767 mm	243
2009	37.2 °C7 March 2009	19.2 °C1 January 2009	27.3 °C	2,769 mm	266
2008	38.1 °C8 March 2008	20.2 °C30 December 2008	26.9 °C	2,507 mm	269
2007	37.9 °C5 April 2007	20.6 °C26 December 2007	27.3 °C	2,599 mm	270
2006	36.9 °C2 March 2006	20.8 °C31 January 2006	27.2 °C	2,645 mm	261
2005	38.3 °C14 February 2005	20.8 °C29 December 2005	27.2 °C	2,438 mm	258
2004	37.9 °C2 March 2004	20.6 °C15 January 2004	27.0 °C	2,477 mm	245
2003	36.6 °C9 March 2003	19.2 °C9 December 2003	26.9 °C	2,186 mm	256
2002	39.1 °C12 March 2002	19.0 °C23 December 2002	26.8 °C	1,994 mm	234
2001	36.6 °C8 March 2001	18.9 °C11 December 2001	26.4 °C	2,141 mm	223
2000	36.3 °C21 March 2000	18.3 °C15 December 2000	26.4 °C	2,004 mm	233
1999	38.1 °C3 March 1999	19.4 °C27 January 1999	26.3 °C	2,313 mm	193
1998	39.4 °C27 March 1998	19.5 °C26 December 1998	27.2 °C	2,199 mm	218
1997	38.2 °C28 February 1997	20.8 °C1 January 1997	26.8 °C	2,456 mm	259
1996	36.8 °C23 March 1996	20.0 °C30 October 1996	26.4 °C	2,557 mm	216
1995	37.8 °C20 March 1995	19.6 °C16 December 1995	26.7 °C	2,346 mm	215
1994	37.0 °C10 March 1994	19.1 °C14 December 1994	26.5 °C	2,284 mm	219
1993	37.2 °C7 March 1993	19.0 °C5 January 1993	26.5 °C	2,320 mm	201
1992	38.1 °C12 March 1992	18.4 °C10 December 1992	26.5 °C	2,504 mm	201
1991	37.5 °C17 February 1991	18.9 °C9 December 1991	26.8 °C	2,129 mm	244
1990	36.9 °C10 February 1990	19.2 °C17 January 1990	26.6 °C	1,973 mm	208
1989	38.5 °C7 April 1989	19.6 °C4 February 1989	26.5 °C	2,326 mm	219
1988	36.8 °C18 February 1988	19.5 °C3 December 1988	26.6 °C	2,330 mm	208
1987	38.9 °C30 March 1987	20.9 °C12 February 1987	27.1 °C	1,824 mm	261
1986	37.2 °C28 March 1986	19.7 °C19 November 1986	26.7 °C	1,626 mm	237
1985	37.9 °C14 March 1985	19.6 °C26 November 1985	26.3 °C	1,965 mm	171
1984	35.8 °C22 March 1984	18.3 °C19 October 1984	26.1 °C	2,342 mm	183
1983	38.3 °C1 April 1983	19.8 °C1 January 1983	27.1 °C	1,826 mm	235
1982	39.2 °C14 March 1982	19.9 °C8 December 1982	26.8 °C	1,607 mm	249
1981	38.2 °C4 March 1981	19.7 °C10 January 1981	26.6 °C	2,035 mm	200
1980	38.0 °C21 March 1980	20.0 °C7 December 1980	26.7 °C	1,986 mm	246
1979	38.7 °C8 April 1979	20.8 °C5 January 1979	26.8 °C	2,184 mm	226
1978	38.1 °C27 February 1978	20.4 °C12 January 1978	26.4 °C	2,409 mm	187
1977	36.6 °C24 March 1977	19.1 °C7 January 1977	26.3 °C	2,122 mm	213
1976	36.2 °C21 February 1976	19.6 °C6 January 1976	26.1 °C	2,207 mm	211
1975	36.8 °C18 March 1975	18.7 °C27 December 1975	25.9 °C	2,584 mm	146
1974	36.5 °C23 March 1974	18.2 °C7 January 1974	25.9 °C	1,668 mm	165
1973	39.2 °C18 March 1973	19.5 °C24 December 1973	26.3 °C	2,115 mm	178
1972	37.8 °C12 March 1972	18.7 °C7 January 1972	26.3 °C	2,257 mm	204
1971	36.0 °C9 April 1971	18.9 °C21 December 1971	25.8 °C	2,327 mm	164
1970	36.6 °C26 March 1970	19.1 °C8 December 1970	26.1 °C	2,280 mm	162
1969	37.1 °C7 March 1969	19.3 °C10 November 1969	26.3 °C	2,765 mm	183
1968	37.8 °C12 March 1968	19.8 °C14 December 1968	26.0 °C	2,644 mm	186
1967	37.0 °C16 February 1967	19.6 °C8 January 1967	26.1 °C	2,906 mm	187
1966	35.6 °C1 April 1966	18.5 °C5 January 1966	25.7 °C	3,074 mm	149
1965	35.2 °C1 February 1965	19.4 °C9 February 1965	25.5 °C	2,839 mm	155
1964	37.0 °C13 March 1964	19.5 °C21 December 1964	25.8 °C	2,696 mm	163
1963	35.7 °C17 February 1963	19.0 °C20 December 1963	25.9 °C	2,275 mm	163
1962	37.1 °C14 March 1962	20.9 °C18 January 1962	26.2 °C	2,707 mm	174
1961	38.0 °C12 March 1961	21.1 °C14 January 1961	26.1 °C	2,598 mm	182
1960	36.3 °C18 February 1960	20.2 °C8 October 1960	25.7 °C	2,902 mm	143
1959	39.1 °C20 March 1959	19.8 °C17 December 1959	26.2 °C	2,125 mm	164
1958	39.0 °C8 March 1958	18.9 °C12 January 1958	26.2 °C	2,460 mm	159
1957	34.9 °C18 February 1957	18.5 °C7 January 1957	26.0 °C	2,513 mm	172
1956	37.7 °C29 March 1956	17.3 °C20 December 1956	25.4 °C	2,266 mm	145
1955	36.0 °C11 March 1955	17.0 °C21 December 1955	25.5 °C	2,461 mm	142
1954	37.2 °C2 March 1954	18.7 °C30 November 1954	25.5 °C	2,814 mm	135
1953	35.6 °C28 February 1953	18.5 °C4 January 1953	25.9 °C	1,879 mm	210
1952	36.6 °C27 March 1952	19.2 °C21 January 1952	25.7 °C	1,974 mm	169
1951	37.4 °C2 March 1951	17.4 °C1 January 1951	25.8 °C	2,068 mm	199
1950	35.5 °C7 March 1950	17.7 °C25 December 1950	25.5 °C	1,565 mm	175
1949	35.1 °C18 April 1949	18.5 °C9 November 1949	25.3 °C	1,828 mm	162
1948	36.4 °C1 March 1948	20.0 °C23 December 1948	25.9 °C	2,225 mm	185
1947	34.4 °C17 March 1947	20.2 °C17 January 1947	25.6 °C	1,746 mm	148
1946	38.2 °C14 March 1946	18.4 °C6 January 1946	25.4 °C	2,733 mm	142
1945	38.2 °C27 March 1945	18.1 °C15 December 1945	25.4 °C	2,706 mm	128
1944	34.8 °C29 February 1944	17.9 °C27 December 1944	25.4 °C	2,835 mm	147
1943	36.7 °C23 February 1943	17.8 °C19 January 1943	24.6 °C	2,751 mm	126
1942	35.7 °C1 April 1942	18.2 °C30 December 1942	24.7 °C	2,381 mm	120
1941	36.1 °C24 February 1941	17.1 °C27 December 1941	25.0 °C	2,694 mm	130
1940	36.3 °C3 April 1940	18.2 °C24 December 1940	24.9 °C	3,014 mm	127

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

31.3 °C

+0.6 °C

Hot days (≥ 30 °C)

265 d/yr

+56

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2444 mm

+82 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.8 °C	+0.6 °C	49 mm	+17 mm
Feb	35.6 °C	+1.9 °C	5 mm	-29 mm
Mar	34.5 °C	+0.2 °C	98 mm	+24 mm
Apr	32.7 °C	-0.1 °C	183 mm	+21 mm
May	30.6 °C	-0.3 °C	408 mm	+121 mm
Jun	29.9 °C	+1.2 °C	328 mm	-50 mm
Jul	29.3 °C	+0.9 °C	443 mm	+129 mm
Aug	29.5 °C	+0.9 °C	266 mm	+12 mm
Sep	30.1 °C	+1.0 °C	129 mm	-76 mm
Oct	30.4 °C	+1.0 °C	294 mm	+8 mm
Nov	29.7 °C	0.0 °C	204 mm	-40 mm
Dec	31.4 °C	+0.8 °C	36 mm	-55 mm

The year's extremes

Hottest day

37.7 °C

27 Feb 2025

Coldest day

19.4 °C

21 Dec 2025

Wettest day

68.2 mm

21 Jul 2025

Windiest day

27.2 km/h

30 May 2025

Strongest gust

67.3 km/h

29 Jul 2025

Hottest feels-like

42.4 °C

21 Mar 2025

Coldest feels-like

21.2 °C

20 Dec 2025

Sunniest day

12.0 h

19 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 Pathanāmthitta?

Pathanāmthitta has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,362 mm of precipitation per year.

What is the hottest day ever recorded in Pathanāmthitta?

The hottest day measured in Pathanāmthitta between 1940 and 2025 was 27 March 1998, reaching 39.4 °C.

What is the coldest day in Pathanāmthitta?

The coldest day measured in Pathanāmthitta between 1940 and 2025 was 21 December 1955, at 17.0 °C.

Does it snow in Pathanāmthitta?

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

Has the climate of Pathanāmthitta warmed?

Yes: Pathanāmthitta warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pathanāmthitta?

The wettest day measured in Pathanāmthitta between 1940 and 2025 was 4 May 1964, with 186 mm of rain in 24 hours.

What was the windiest day in Pathanāmthitta?

The windiest day measured in Pathanāmthitta between 1940 and 2025 was 13 November 1992, with winds reaching 30.0 km/h.

What is the warmest month in Pathanāmthitta?

The warmest month in Pathanāmthitta is March (28.3 °C on average); the coldest is July (25.4 °C).

How much does it rain in Pathanāmthitta?

Pathanāmthitta receives on average 2,362 mm of precipitation per year, spread over about 247 rainy days.

Is it sunny in Pathanāmthitta?

Pathanāmthitta gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Pathanāmthitta?

Yes: Pathanāmthitta has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pathanāmthitta?

In Pathanāmthitta, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 27 April 2016, and the lowest was 15.9 °C on 1 January 1951.

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