Chelamartam climate — normals and trends

Q: What is the climate of Chelamartam?

Chelamartam has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 3,119 mm of precipitation per year.

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

The hottest day measured in Chelamartam between 1940 and 2025 was 18 March 2004, reaching 42.0 °C.

Q: What is the coldest day in Chelamartam?

The coldest day measured in Chelamartam between 1940 and 2025 was 2 January 1951, at 14.8 °C.

Q: Does it snow in Chelamartam?

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

Q: Has the climate of Chelamartam warmed?

Yes: Chelamartam warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Chelamartam?

The wettest day measured in Chelamartam between 1940 and 2025 was 12 May 1972, with 305 mm of rain in 24 hours.

Q: What was the windiest day in Chelamartam?

The windiest day measured in Chelamartam between 1940 and 2025 was 30 May 2025, with winds reaching 27.5 km/h.

Q: What is the warmest month in Chelamartam?

The warmest month in Chelamartam is March (28.3 °C on average); the coldest is July (24.7 °C).

Q: How much does it rain in Chelamartam?

Chelamartam receives on average 3,119 mm of precipitation per year, spread over about 234 rainy days.

Q: Is it sunny in Chelamartam?

Chelamartam gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Chelamartam (India) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 3,119 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 (24.7 °C). Rainfall peaks in June.

Chelamartam averages 0 frost days, 216 hot days (≥ 30 °C) and 234 rainy days per year.

Chelamartam has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.0 °C (on 18 March 2004) and the coldest 14.8 °C (on 2 January 1951).

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

ChelamartamKerala

coords: 10.14°, 76.46°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthMarchColdest monthJulyWettest monthJuneDriest monthJanuary

Mean daily temperature

26.0°C

Average daily high

31.0°C

Average daily low

22.7°C

Annual rainfall

3,119mm

Sunshine / day

9.1h

Mean relative humidity

83%

Average peak wind

9.4km/h

Seasonal range

3.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

216 d/yr

Rainy days (≥ 1 mm)

234 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

26.9 °C

Average peak gust

28.8 km/h

Tropical nights (≥ 20 °C)

347 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.84 · 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

42.0 °C

18 March 2004

Coldest day

14.8 °C

2 January 1951

Wettest day

305 mm

12 May 1972

Windiest day

27.5 km/h

30 May 2025

Strongest gust

72.0 km/h

23 July 1989

Hottest feels-like

44.8 °C

5 April 2015

Coldest feels-like

15.0 °C

2 January 1951

Sunniest day

12.1 h

16 May 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.2 °C27 February 2025	18.2 °C20 December 2025	26.6 °C	3,219 mm	248
2024	38.3 °C25 March 2024	20.7 °C24 December 2024	27.3 °C	3,411 mm	274
2023	37.0 °C3 March 2023	19.0 °C13 January 2023	27.1 °C	2,764 mm	289
2022	39.4 °C14 March 2022	20.1 °C24 January 2022	26.7 °C	3,480 mm	254
2021	38.9 °C18 March 2021	20.2 °C28 January 2021	26.9 °C	3,342 mm	244
2020	40.1 °C31 March 2020	20.3 °C27 December 2020	27.4 °C	3,080 mm	278
2019	40.1 °C25 March 2019	18.3 °C3 January 2019	27.3 °C	3,295 mm	281
2018	38.1 °C11 March 2018	20.0 °C2 January 2018	26.8 °C	3,232 mm	257
2017	37.4 °C25 February 2017	19.8 °C19 February 2017	26.8 °C	3,041 mm	254
2016	39.4 °C1 April 2016	20.2 °C2 December 2016	27.3 °C	2,284 mm	239
2015	38.5 °C28 March 2015	20.0 °C13 January 2015	27.2 °C	2,925 mm	285
2014	40.1 °C25 March 2014	20.4 °C6 January 2014	27.1 °C	3,020 mm	269
2013	39.8 °C2 March 2013	20.3 °C15 January 2013	26.8 °C	3,373 mm	241
2012	40.6 °C25 March 2012	18.7 °C26 January 2012	26.9 °C	2,529 mm	268
2011	39.5 °C15 March 2011	18.4 °C27 December 2011	26.7 °C	3,724 mm	260
2010	39.9 °C25 March 2010	19.4 °C13 December 2010	26.8 °C	3,810 mm	231
2009	38.8 °C7 March 2009	18.0 °C1 January 2009	26.7 °C	3,593 mm	253
2008	40.1 °C6 March 2008	18.3 °C31 December 2008	26.4 °C	3,092 mm	261
2007	41.0 °C5 April 2007	18.3 °C26 December 2007	26.7 °C	3,802 mm	250
2006	38.3 °C23 February 2006	18.6 °C21 January 2006	26.6 °C	3,263 mm	253
2005	39.4 °C2 April 2005	18.6 °C10 January 2005	26.6 °C	3,154 mm	234
2004	42.0 °C18 March 2004	18.9 °C15 January 2004	26.6 °C	3,013 mm	233
2003	37.7 °C24 March 2003	17.2 °C9 December 2003	26.5 °C	3,093 mm	249
2002	39.8 °C12 March 2002	18.1 °C23 December 2002	26.5 °C	2,425 mm	243
2001	38.0 °C17 March 2001	17.3 °C11 December 2001	26.1 °C	2,781 mm	227
2000	39.2 °C22 March 2000	15.8 °C14 December 2000	26.0 °C	2,735 mm	237
1999	39.7 °C3 March 1999	18.4 °C26 January 1999	26.0 °C	2,868 mm	213
1998	40.2 °C20 March 1998	18.1 °C26 December 1998	26.6 °C	3,218 mm	213
1997	39.4 °C10 March 1997	19.0 °C21 January 1997	26.3 °C	2,990 mm	260
1996	39.2 °C9 March 1996	18.6 °C21 December 1996	26.0 °C	3,169 mm	219
1995	39.2 °C20 March 1995	18.1 °C16 December 1995	26.3 °C	2,974 mm	211
1994	40.0 °C8 March 1994	18.3 °C14 December 1994	26.2 °C	3,167 mm	220
1993	38.0 °C8 March 1993	17.6 °C8 January 1993	26.1 °C	2,860 mm	221
1992	39.0 °C2 April 1992	17.0 °C28 December 1992	25.9 °C	3,137 mm	206
1991	38.9 °C14 February 1991	17.0 °C28 December 1991	26.4 °C	3,299 mm	243
1990	38.6 °C30 March 1990	17.2 °C19 January 1990	26.1 °C	2,866 mm	210
1989	38.8 °C7 April 1989	17.2 °C4 February 1989	26.1 °C	3,053 mm	223
1988	38.0 °C4 April 1988	18.9 °C23 December 1988	26.1 °C	3,150 mm	212
1987	40.2 °C21 April 1987	19.1 °C1 February 1987	26.8 °C	2,072 mm	268
1986	38.7 °C28 March 1986	18.6 °C2 January 1986	26.3 °C	2,200 mm	235
1985	39.6 °C14 March 1985	18.0 °C29 November 1985	25.9 °C	2,566 mm	192
1984	38.6 °C22 March 1984	16.3 °C19 October 1984	25.7 °C	2,630 mm	208
1983	39.4 °C12 March 1983	18.3 °C1 January 1983	26.5 °C	2,700 mm	222
1982	39.6 °C14 March 1982	18.6 °C15 December 1982	26.2 °C	2,298 mm	244
1981	38.9 °C2 March 1981	17.5 °C12 December 1981	26.1 °C	2,906 mm	223
1980	39.3 °C25 February 1980	18.9 °C21 January 1980	26.3 °C	2,826 mm	253
1979	40.9 °C8 April 1979	19.2 °C19 December 1979	26.6 °C	2,480 mm	231
1978	39.1 °C22 March 1978	18.3 °C19 January 1978	26.1 °C	3,479 mm	206
1977	38.7 °C8 March 1977	17.8 °C14 January 1977	26.0 °C	2,620 mm	206
1976	38.5 °C17 March 1976	18.2 °C16 January 1976	25.7 °C	2,883 mm	196
1975	39.5 °C2 April 1975	17.2 °C13 January 1975	25.6 °C	3,268 mm	172
1974	37.8 °C10 March 1974	16.7 °C28 November 1974	25.6 °C	2,697 mm	191
1973	39.4 °C14 March 1973	18.4 °C24 December 1973	25.9 °C	2,638 mm	200
1972	38.5 °C24 March 1972	16.9 °C8 January 1972	25.9 °C	3,018 mm	212
1971	38.7 °C14 March 1971	17.2 °C21 December 1971	25.5 °C	2,834 mm	185
1970	37.8 °C25 March 1970	16.6 °C8 December 1970	25.8 °C	3,170 mm	197
1969	39.2 °C8 March 1969	18.2 °C9 November 1969	26.1 °C	4,138 mm	197
1968	37.2 °C8 March 1968	17.4 °C13 December 1968	25.6 °C	3,553 mm	199
1967	37.9 °C24 February 1967	18.3 °C19 February 1967	25.7 °C	3,991 mm	198
1966	37.2 °C26 February 1966	17.5 °C1 January 1966	25.4 °C	4,017 mm	176
1965	39.0 °C17 March 1965	18.0 °C9 February 1965	25.2 °C	3,599 mm	174
1964	38.6 °C13 March 1964	17.5 °C13 January 1964	25.4 °C	3,609 mm	172
1963	37.9 °C15 February 1963	17.8 °C29 December 1963	25.5 °C	3,211 mm	184
1962	37.9 °C14 February 1962	19.3 °C13 January 1962	25.8 °C	3,854 mm	184
1961	40.7 °C12 March 1961	19.7 °C26 January 1961	25.9 °C	3,867 mm	200
1960	38.6 °C18 February 1960	18.3 °C21 December 1960	25.6 °C	3,532 mm	166
1959	39.9 °C14 March 1959	18.1 °C17 December 1959	25.9 °C	2,773 mm	191
1958	40.4 °C8 March 1958	19.1 °C11 January 1958	26.0 °C	3,287 mm	186
1957	37.5 °C23 March 1957	16.9 °C7 January 1957	25.9 °C	2,746 mm	198
1956	39.7 °C27 March 1956	16.1 °C20 December 1956	25.2 °C	3,422 mm	170
1955	38.7 °C25 February 1955	16.3 °C20 December 1955	25.2 °C	3,413 mm	158
1954	39.0 °C8 March 1954	18.0 °C28 November 1954	25.3 °C	3,787 mm	173
1953	37.0 °C27 February 1953	17.5 °C2 January 1953	25.3 °C	2,478 mm	227
1952	37.1 °C27 March 1952	17.7 °C21 January 1952	25.1 °C	2,734 mm	186
1951	38.9 °C3 March 1951	14.8 °C2 January 1951	25.3 °C	2,938 mm	208
1950	36.8 °C25 February 1950	15.3 °C15 November 1950	25.0 °C	2,140 mm	184
1949	36.3 °C18 April 1949	16.2 °C12 November 1949	24.8 °C	2,765 mm	182
1948	37.7 °C1 March 1948	18.8 °C27 December 1948	25.6 °C	2,856 mm	213
1947	36.2 °C22 March 1947	17.6 °C7 November 1947	25.3 °C	2,448 mm	199
1946	39.5 °C14 March 1946	16.5 °C27 January 1946	25.0 °C	3,441 mm	154
1945	39.8 °C27 March 1945	18.3 °C14 December 1945	25.2 °C	3,466 mm	169
1944	36.4 °C29 February 1944	16.6 °C11 December 1944	25.1 °C	3,866 mm	160
1943	37.7 °C28 February 1943	16.7 °C20 January 1943	24.3 °C	4,315 mm	137
1942	39.3 °C1 April 1942	17.6 °C2 January 1942	24.6 °C	3,171 mm	162
1941	36.8 °C13 February 1941	16.0 °C27 December 1941	24.7 °C	3,748 mm	179
1940	38.1 °C5 April 1940	17.7 °C16 January 1940	24.7 °C	3,576 mm	165

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

31.5 °C

+0.5 °C

Hot days (≥ 30 °C)

248 d/yr

+32

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3219 mm

+100 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.4 °C	+0.8 °C	22 mm	+6 mm
Feb	36.2 °C	+1.3 °C	3 mm	-22 mm
Mar	35.0 °C	-0.4 °C	78 mm	+17 mm
Apr	32.4 °C	-0.7 °C	183 mm	+20 mm
May	30.1 °C	-0.5 °C	647 mm	+288 mm
Jun	29.4 °C	+1.3 °C	563 mm	-54 mm
Jul	28.5 °C	+0.6 °C	650 mm	+65 mm
Aug	28.9 °C	+0.8 °C	448 mm	-8 mm
Sep	29.6 °C	+0.8 °C	195 mm	-106 mm
Oct	30.4 °C	+0.9 °C	306 mm	-6 mm
Nov	30.5 °C	+0.1 °C	100 mm	-79 mm
Dec	32.4 °C	+0.7 °C	24 mm	-22 mm

The year's extremes

Hottest day

38.2 °C

27 Feb 2025

Coldest day

18.2 °C

20 Dec 2025

Wettest day

106.4 mm

25 May 2025

Windiest day

27.5 km/h

30 May 2025

Strongest gust

64.8 km/h

29 Jul 2025

Hottest feels-like

42.7 °C

9 Mar 2025

Coldest feels-like

18.6 °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 Chelamartam?

Chelamartam has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 3,119 mm of precipitation per year.

What is the hottest day ever recorded in Chelamartam?

The hottest day measured in Chelamartam between 1940 and 2025 was 18 March 2004, reaching 42.0 °C.

What is the coldest day in Chelamartam?

The coldest day measured in Chelamartam between 1940 and 2025 was 2 January 1951, at 14.8 °C.

Does it snow in Chelamartam?

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

Has the climate of Chelamartam warmed?

Yes: Chelamartam warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Chelamartam?

The wettest day measured in Chelamartam between 1940 and 2025 was 12 May 1972, with 305 mm of rain in 24 hours.

What was the windiest day in Chelamartam?

The windiest day measured in Chelamartam between 1940 and 2025 was 30 May 2025, with winds reaching 27.5 km/h.

What is the warmest month in Chelamartam?

The warmest month in Chelamartam is March (28.3 °C on average); the coldest is July (24.7 °C).

How much does it rain in Chelamartam?

Chelamartam receives on average 3,119 mm of precipitation per year, spread over about 234 rainy days.

Is it sunny in Chelamartam?

Chelamartam gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Chelamartam?

Yes: Chelamartam has on average 347 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Chelamartam?

In Chelamartam, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 5 April 2015, and the lowest was 15.0 °C on 2 January 1951.

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