Cacahoatán climate — normals and trends

Q: What is the climate of Cacahoatán?

Cacahoatán has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.8 °C and it receives 3,944 mm of precipitation per year.

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

The hottest day measured in Cacahoatán between 1940 and 2025 was 23 May 1998, reaching 34.8 °C.

Q: What is the coldest day in Cacahoatán?

The coldest day measured in Cacahoatán between 1940 and 2025 was 16 January 1956, at 9.4 °C.

Q: Does it snow in Cacahoatán?

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

Q: Has the climate of Cacahoatán warmed?

Yes: Cacahoatán warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cacahoatán?

The wettest day measured in Cacahoatán between 1940 and 2025 was 6 June 2005, with 330 mm of rain in 24 hours.

Q: What was the windiest day in Cacahoatán?

The windiest day measured in Cacahoatán between 1940 and 2025 was 1 November 1961, with winds reaching 20.9 km/h.

Q: What is the warmest month in Cacahoatán?

The warmest month in Cacahoatán is April (24.0 °C on average); the coldest is December (21.6 °C).

Q: How much does it rain in Cacahoatán?

Cacahoatán receives on average 3,944 mm of precipitation per year, spread over about 254 rainy days.

Q: Is it sunny in Cacahoatán?

Cacahoatán gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Cacahoatán (Mexico) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 22.8 °C and it receives 3,944 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 (24.0 °C on average) and the coldest is December (21.6 °C). Rainfall peaks in September.

Cacahoatán averages 0 frost days, 40 hot days (≥ 30 °C) and 254 rainy days per year.

Cacahoatán has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.8 °C (on 23 May 1998) and the coldest 9.4 °C (on 16 January 1956).

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

CacahoatánChiapas

coords: 14.99°, -92.16°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthFebruary

Mean daily temperature

22.8°C

Average daily high

27.9°C

Average daily low

18.2°C

Annual rainfall

3,944mm

Sunshine / day

10.2h

Mean relative humidity

80%

Average peak wind

8.6km/h

Seasonal range

2.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

40 d/yr

Rainy days (≥ 1 mm)

254 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.1 °C

Average feels-like low

19.7 °C

Average peak gust

28.1 km/h

Tropical nights (≥ 20 °C)

67 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °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

34.8 °C

23 May 1998

Coldest day

9.4 °C

16 January 1956

Wettest day

330 mm

6 June 2005

Windiest day

20.9 km/h

1 November 1961

Strongest gust

65.9 km/h

1 November 1961

Hottest feels-like

40.5 °C

19 June 2019

Coldest feels-like

7.8 °C

16 January 1956

Sunniest day

12.7 h

6 July 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.6 °C20 July 2025	15.5 °C17 January 2025	24.2 °C	3,912 mm	86
2024	34.4 °C13 April 2024	15.5 °C11 February 2024	24.7 °C	4,418 mm	175
2023	32.3 °C7 May 2023	14.5 °C24 January 2023	24.4 °C	3,763 mm	141
2022	31.9 °C6 April 2022	15.1 °C12 January 2022	23.7 °C	4,427 mm	66
2021	32.9 °C1 April 2021	13.8 °C14 February 2021	23.8 °C	3,886 mm	67
2020	33.9 °C8 April 2020	15.3 °C20 December 2020	24.2 °C	4,913 mm	143
2019	33.1 °C13 April 2019	14.3 °C11 February 2019	24.1 °C	3,299 mm	126
2018	32.3 °C12 March 2018	13.1 °C12 January 2018	23.9 °C	3,860 mm	103
2017	34.3 °C19 April 2017	14.8 °C11 January 2017	23.9 °C	3,771 mm	95
2016	33.8 °C4 April 2016	15.1 °C24 December 2016	24.3 °C	3,539 mm	124
2015	33.4 °C11 March 2015	15.4 °C2 January 2015	24.4 °C	3,530 mm	139
2014	32.1 °C29 March 2014	14.6 °C17 January 2014	24.0 °C	3,484 mm	101
2013	33.8 °C1 April 2013	15.4 °C27 January 2013	24.0 °C	3,691 mm	102
2012	33.3 °C5 March 2012	13.5 °C11 December 2012	23.8 °C	3,322 mm	87
2011	32.3 °C13 February 2011	14.1 °C19 December 2011	23.6 °C	4,115 mm	56
2010	33.9 °C24 April 2010	13.4 °C12 December 2010	23.9 °C	3,823 mm	109
2009	33.1 °C23 February 2009	12.9 °C23 December 2009	23.9 °C	3,338 mm	106
2008	31.1 °C10 February 2008	14.7 °C2 February 2008	23.2 °C	3,941 mm	13
2007	32.8 °C5 March 2007	14.1 °C23 December 2007	23.4 °C	4,251 mm	50
2006	30.9 °C2 July 2006	15.3 °C28 December 2006	23.5 °C	3,970 mm	23
2005	31.6 °C27 February 2005	14.5 °C22 January 2005	23.4 °C	4,840 mm	56
2004	33.0 °C17 February 2004	14.7 °C26 January 2004	23.2 °C	3,631 mm	48
2003	33.3 °C6 March 2003	12.7 °C10 December 2003	23.6 °C	4,009 mm	90
2002	34.3 °C27 March 2002	13.4 °C11 January 2002	23.5 °C	3,486 mm	82
2001	32.3 °C14 February 2001	13.9 °C24 November 2001	23.1 °C	3,392 mm	36
2000	31.6 °C17 March 2000	12.6 °C1 January 2000	23.0 °C	3,377 mm	48
1999	32.2 °C18 April 1999	13.1 °C4 December 1999	22.9 °C	4,421 mm	47
1998	34.8 °C23 May 1998	12.5 °C7 December 1998	23.8 °C	4,259 mm	123
1997	31.8 °C14 March 1997	14.1 °C26 January 1997	23.3 °C	3,555 mm	56
1996	32.2 °C29 March 1996	13.1 °C19 January 1996	22.9 °C	3,984 mm	26
1995	31.3 °C14 March 1995	14.3 °C2 January 1995	22.9 °C	4,566 mm	17
1994	31.6 °C26 April 1994	14.4 °C6 January 1994	22.9 °C	3,657 mm	36
1993	31.1 °C13 April 1993	12.7 °C10 January 1993	22.9 °C	3,553 mm	29
1992	32.8 °C11 April 1992	13.0 °C6 February 1992	22.9 °C	3,837 mm	40
1991	31.6 °C17 March 1991	13.7 °C16 January 1991	22.9 °C	3,614 mm	28
1990	31.7 °C21 May 1990	13.7 °C23 February 1990	22.8 °C	3,817 mm	18
1989	32.2 °C10 April 1989	11.2 °C28 February 1989	22.4 °C	3,932 mm	24
1988	32.3 °C28 March 1988	14.2 °C21 December 1988	22.9 °C	3,657 mm	63
1987	32.1 °C9 April 1987	13.1 °C28 January 1987	23.2 °C	3,322 mm	50
1986	31.7 °C21 March 1986	13.2 °C15 March 1986	22.5 °C	3,383 mm	23
1985	31.0 °C9 March 1985	13.0 °C29 January 1985	22.3 °C	3,594 mm	11
1984	31.4 °C26 March 1984	13.6 °C16 November 1984	22.5 °C	3,339 mm	17
1983	31.7 °C11 May 1983	11.7 °C17 February 1983	22.8 °C	3,678 mm	39
1982	31.1 °C27 March 1982	13.5 °C6 March 1982	22.7 °C	3,437 mm	7
1981	31.4 °C7 March 1981	12.2 °C26 January 1981	22.4 °C	3,808 mm	10
1980	33.0 °C31 March 1980	13.6 °C17 December 1980	22.7 °C	4,050 mm	31
1979	31.1 °C15 March 1979	12.5 °C8 January 1979	22.7 °C	4,242 mm	23
1978	32.1 °C24 March 1978	13.3 °C13 January 1978	22.7 °C	3,765 mm	45
1977	32.9 °C12 March 1977	14.4 °C5 January 1977	22.7 °C	3,691 mm	36
1976	31.3 °C12 March 1976	12.5 °C4 February 1976	22.5 °C	3,883 mm	11
1975	30.5 °C13 March 1975	11.8 °C11 January 1975	22.3 °C	4,463 mm	11
1974	30.6 °C13 March 1974	12.7 °C16 January 1974	22.1 °C	3,959 mm	4
1973	32.1 °C3 April 1973	11.0 °C19 December 1973	22.7 °C	4,293 mm	32
1972	32.0 °C9 March 1972	12.9 °C17 February 1972	22.7 °C	3,527 mm	23
1971	30.7 °C27 April 1971	12.5 °C26 December 1971	22.0 °C	3,889 mm	3
1970	31.7 °C28 March 1970	11.2 °C18 January 1970	22.4 °C	4,146 mm	20
1969	31.3 °C8 May 1969	11.2 °C21 January 1969	22.6 °C	4,386 mm	32
1968	31.8 °C9 April 1968	11.9 °C23 February 1968	21.9 °C	4,693 mm	9
1967	30.6 °C10 April 1967	12.1 °C18 March 1967	22.0 °C	3,265 mm	7
1966	29.8 °C25 February 1966	12.5 °C30 December 1966	22.0 °C	3,912 mm	0
1965	30.4 °C20 May 1965	12.6 °C3 March 1965	22.0 °C	4,078 mm	2
1964	30.3 °C29 February 1964	13.9 °C7 February 1964	21.9 °C	4,110 mm	3
1963	30.3 °C28 April 1963	12.5 °C8 February 1963	22.0 °C	4,112 mm	2
1962	30.3 °C17 March 1962	13.2 °C6 January 1962	21.8 °C	4,043 mm	3
1961	30.5 °C19 April 1961	13.2 °C4 December 1961	21.9 °C	3,970 mm	7
1960	31.1 °C10 April 1960	12.4 °C5 February 1960	22.0 °C	4,179 mm	15
1959	31.3 °C30 April 1959	13.8 °C22 November 1959	22.0 °C	3,684 mm	4
1958	31.9 °C8 April 1958	13.5 °C2 March 1958	22.4 °C	4,176 mm	28
1957	31.9 °C6 May 1957	12.8 °C7 March 1957	22.1 °C	3,398 mm	17
1956	31.2 °C8 March 1956	9.4 °C16 January 1956	21.5 °C	4,193 mm	7
1955	30.5 °C22 February 1955	12.6 °C24 December 1955	21.6 °C	4,759 mm	5
1954	31.4 °C4 March 1954	13.2 °C30 January 1954	21.7 °C	4,128 mm	11
1953	31.8 °C20 April 1953	12.7 °C12 January 1953	22.4 °C	4,221 mm	24
1952	31.4 °C6 April 1952	12.4 °C7 January 1952	22.2 °C	3,988 mm	10
1951	30.7 °C18 April 1951	13.5 °C7 February 1951	22.5 °C	4,076 mm	13
1950	29.1 °C2 March 1950	12.4 °C14 January 1950	21.5 °C	4,504 mm	0
1949	29.7 °C28 February 1949	13.1 °C20 November 1949	21.7 °C	3,921 mm	0
1948	30.1 °C13 March 1948	13.5 °C24 January 1948	21.9 °C	5,295 mm	1
1947	29.3 °C13 March 1947	14.1 °C20 February 1947	21.9 °C	4,639 mm	0
1946	30.8 °C31 March 1946	13.5 °C28 February 1946	21.8 °C	3,826 mm	9
1945	31.0 °C15 March 1945	12.7 °C15 January 1945	21.7 °C	4,640 mm	4
1944	31.1 °C7 March 1944	12.4 °C4 January 1944	21.9 °C	3,747 mm	8
1943	30.6 °C14 April 1943	12.8 °C9 February 1943	21.5 °C	4,311 mm	2
1942	31.4 °C29 March 1942	13.3 °C3 January 1942	21.9 °C	4,456 mm	13
1941	32.4 °C9 April 1941	12.1 °C16 January 1941	22.3 °C	3,558 mm	45
1940	30.6 °C6 April 1940	10.3 °C25 December 1940	22.1 °C	3,561 mm	9

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

29.3 °C

+1.4 °C

Hot days (≥ 30 °C)

86 d/yr

+46

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3912 mm

-32 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.3 °C	+1.5 °C	65 mm	+40 mm
Feb	29.2 °C	+0.5 °C	80 mm	+59 mm
Mar	30.0 °C	+0.7 °C	27 mm	-22 mm
Apr	30.0 °C	+0.6 °C	126 mm	-11 mm
May	30.1 °C	+1.7 °C	283 mm	-120 mm
Jun	28.7 °C	+1.4 °C	752 mm	+163 mm
Jul	29.9 °C	+2.3 °C	482 mm	-73 mm
Aug	29.5 °C	+1.9 °C	548 mm	-34 mm
Sep	28.9 °C	+1.9 °C	613 mm	-68 mm
Oct	28.4 °C	+1.5 °C	634 mm	+17 mm
Nov	29.0 °C	+1.8 °C	153 mm	-75 mm
Dec	28.6 °C	+1.3 °C	148 mm	+92 mm

The year's extremes

Hottest day

32.6 °C

20 Jul 2025

Coldest day

15.5 °C

17 Jan 2025

Wettest day

90.2 mm

14 Jun 2025

Windiest day

15.0 km/h

5 Mar 2025

Strongest gust

42.8 km/h

8 Oct 2025

Hottest feels-like

38.4 °C

13 May 2025

Coldest feels-like

15.0 °C

24 Jan 2025

Sunniest day

12.5 h

5 Jul 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 Cacahoatán?

Cacahoatán has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.8 °C and it receives 3,944 mm of precipitation per year.

What is the hottest day ever recorded in Cacahoatán?

The hottest day measured in Cacahoatán between 1940 and 2025 was 23 May 1998, reaching 34.8 °C.

What is the coldest day in Cacahoatán?

The coldest day measured in Cacahoatán between 1940 and 2025 was 16 January 1956, at 9.4 °C.

Does it snow in Cacahoatán?

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

Has the climate of Cacahoatán warmed?

Yes: Cacahoatán warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cacahoatán?

The wettest day measured in Cacahoatán between 1940 and 2025 was 6 June 2005, with 330 mm of rain in 24 hours.

What was the windiest day in Cacahoatán?

The windiest day measured in Cacahoatán between 1940 and 2025 was 1 November 1961, with winds reaching 20.9 km/h.

What is the warmest month in Cacahoatán?

The warmest month in Cacahoatán is April (24.0 °C on average); the coldest is December (21.6 °C).

How much does it rain in Cacahoatán?

Cacahoatán receives on average 3,944 mm of precipitation per year, spread over about 254 rainy days.

Is it sunny in Cacahoatán?

Cacahoatán gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Cacahoatán?

Yes: Cacahoatán has on average 67 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cacahoatán?

In Cacahoatán, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 19 June 2019, and the lowest was 7.8 °C on 16 January 1956.

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