Acayucan climate — normals and trends

Q: What is the climate of Acayucan?

Acayucan has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 1,414 mm of precipitation per year.

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

The hottest day measured in Acayucan between 1940 and 2025 was 28 March 2014, reaching 40.9 °C.

Q: What is the coldest day in Acayucan?

The coldest day measured in Acayucan between 1940 and 2025 was 14 February 2006, at 9.3 °C.

Q: Does it snow in Acayucan?

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

Q: Has the climate of Acayucan warmed?

Yes: Acayucan warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Acayucan?

The wettest day measured in Acayucan between 1940 and 2025 was 20 May 1952, with 157 mm of rain in 24 hours.

Q: What was the windiest day in Acayucan?

The windiest day measured in Acayucan between 1940 and 2025 was 3 March 1971, with winds reaching 38.2 km/h.

Q: What is the warmest month in Acayucan?

The warmest month in Acayucan is May (28.5 °C on average); the coldest is January (21.4 °C).

Q: How much does it rain in Acayucan?

Acayucan receives on average 1,414 mm of precipitation per year, spread over about 179 rainy days.

Q: Is it sunny in Acayucan?

Acayucan gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Acayucan (Mexico) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 1,414 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 (28.5 °C on average) and the coldest is January (21.4 °C). Rainfall peaks in September.

Acayucan averages 0 frost days, 190 hot days (≥ 30 °C) and 179 rainy days per year.

Acayucan has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.9 °C (on 28 March 2014) and the coldest 9.3 °C (on 14 February 2006).

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

AcayucanVeracruz

coords: 17.95°, -94.91°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthMarch

Mean daily temperature

25.1°C

Average daily high

29.9°C

Average daily low

21.3°C

Annual rainfall

1,414mm

Sunshine / day

10.0h

Mean relative humidity

80%

Average peak wind

12.1km/h

Seasonal range

7.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

190 d/yr

Rainy days (≥ 1 mm)

179 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.1 °C

Average feels-like low

24.2 °C

Average peak gust

29.4 km/h

Tropical nights (≥ 20 °C)

261 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.70 · 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

40.9 °C

28 March 2014

Coldest day

9.3 °C

14 February 2006

Wettest day

157 mm

20 May 1952

Windiest day

38.2 km/h

3 March 1971

Strongest gust

94.0 km/h

11 November 1942

Hottest feels-like

46.8 °C

28 May 2024

Coldest feels-like

7.5 °C

14 February 1960

Sunniest day

12.9 h

17 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.6 °C6 May 2025	13.9 °C22 January 2025	26.3 °C	1,482 mm	253
2024	40.3 °C26 May 2024	12.4 °C7 February 2024	26.8 °C	1,464 mm	255
2023	39.9 °C15 June 2023	11.4 °C15 January 2023	26.5 °C	1,270 mm	264
2022	38.1 °C22 May 2022	12.8 °C27 March 2022	25.5 °C	1,546 mm	216
2021	37.9 °C13 April 2021	12.3 °C25 December 2021	25.9 °C	1,266 mm	224
2020	38.5 °C9 April 2020	14.0 °C11 December 2020	26.3 °C	1,334 mm	244
2019	38.2 °C8 May 2019	12.6 °C22 January 2019	26.2 °C	1,106 mm	242
2018	38.2 °C30 May 2018	12.1 °C8 January 2018	25.8 °C	1,391 mm	239
2017	39.3 °C20 May 2017	12.5 °C31 January 2017	25.8 °C	1,336 mm	232
2016	38.9 °C18 May 2016	10.4 °C8 February 2016	26.0 °C	1,217 mm	233
2015	39.4 °C26 April 2015	11.1 °C28 January 2015	25.8 °C	1,330 mm	232
2014	40.9 °C28 March 2014	11.6 °C17 January 2014	25.4 °C	1,468 mm	213
2013	38.7 °C10 May 2013	10.8 °C4 March 2013	25.6 °C	1,873 mm	236
2012	38.8 °C7 May 2012	14.5 °C23 December 2012	25.5 °C	1,553 mm	230
2011	39.2 °C26 May 2011	10.5 °C29 November 2011	25.7 °C	1,501 mm	222
2010	40.8 °C2 June 2010	11.9 °C15 December 2010	25.1 °C	1,799 mm	208
2009	39.1 °C5 April 2009	11.3 °C23 January 2009	25.7 °C	1,487 mm	244
2008	38.6 °C10 May 2008	13.4 °C9 March 2008	25.3 °C	1,402 mm	205
2007	38.4 °C5 May 2007	13.8 °C20 February 2007	25.7 °C	1,139 mm	229
2006	38.3 °C29 April 2006	9.3 °C14 February 2006	25.5 °C	1,603 mm	221
2005	39.6 °C1 June 2005	13.0 °C28 December 2005	25.3 °C	1,502 mm	208
2004	38.3 °C10 April 2004	13.2 °C21 December 2004	25.2 °C	1,246 mm	226
2003	39.2 °C3 May 2003	13.7 °C20 January 2003	25.3 °C	1,376 mm	216
2002	38.4 °C8 April 2002	12.0 °C24 February 2002	25.2 °C	1,253 mm	213
2001	39.2 °C21 May 2001	13.6 °C24 January 2001	25.2 °C	1,434 mm	207
2000	38.9 °C3 April 2000	12.7 °C10 February 2000	25.2 °C	1,433 mm	220
1999	39.1 °C7 May 1999	12.7 °C16 February 1999	25.3 °C	1,599 mm	210
1998	40.8 °C13 May 1998	12.0 °C4 February 1998	26.1 °C	1,508 mm	218
1997	38.7 °C30 April 1997	10.0 °C15 December 1997	25.6 °C	1,505 mm	228
1996	38.3 °C28 May 1996	9.6 °C14 January 1996	25.4 °C	1,307 mm	215
1995	39.3 °C4 May 1995	13.3 °C7 February 1995	26.1 °C	1,360 mm	208
1994	39.3 °C9 June 1994	13.6 °C4 March 1994	25.9 °C	898 mm	227
1993	40.1 °C5 June 1993	14.3 °C28 January 1993	25.6 °C	1,490 mm	188
1992	36.0 °C22 March 1992	14.0 °C12 December 1992	25.3 °C	1,346 mm	208
1991	38.3 °C25 April 1991	13.3 °C12 February 1991	25.6 °C	1,512 mm	203
1990	37.1 °C31 May 1990	13.2 °C12 December 1990	25.4 °C	1,497 mm	201
1989	38.3 °C20 May 1989	10.1 °C27 December 1989	25.0 °C	1,316 mm	197
1988	38.1 °C9 May 1988	13.1 °C22 February 1988	24.9 °C	1,704 mm	187
1987	37.2 °C28 May 1987	11.9 °C5 January 1987	24.7 °C	1,417 mm	180
1986	38.2 °C16 May 1986	11.6 °C28 January 1986	25.0 °C	1,491 mm	210
1985	39.3 °C21 May 1985	12.9 °C13 February 1985	25.1 °C	1,530 mm	187
1984	38.6 °C7 May 1984	12.7 °C1 January 1984	24.8 °C	1,930 mm	176
1983	39.0 °C11 May 1983	12.6 °C14 February 1983	25.3 °C	1,439 mm	202
1982	38.0 °C17 April 1982	13.1 °C19 December 1982	25.5 °C	1,363 mm	210
1981	39.1 °C18 May 1981	12.7 °C25 January 1981	24.8 °C	1,954 mm	175
1980	38.1 °C12 May 1980	12.3 °C29 December 1980	24.9 °C	1,424 mm	197
1979	37.1 °C13 April 1979	13.0 °C20 December 1979	25.0 °C	1,339 mm	173
1978	37.9 °C8 May 1978	12.7 °C10 January 1978	24.9 °C	1,563 mm	196
1977	37.3 °C29 May 1977	13.2 °C23 December 1977	25.1 °C	1,204 mm	213
1976	37.6 °C29 April 1976	12.0 °C2 February 1976	24.6 °C	1,340 mm	196
1975	39.9 °C8 May 1975	13.6 °C26 February 1975	25.5 °C	1,519 mm	193
1974	37.6 °C12 May 1974	12.9 °C11 February 1974	24.6 °C	1,313 mm	152
1973	37.3 °C26 April 1973	11.3 °C22 December 1973	24.7 °C	1,507 mm	166
1972	38.2 °C8 May 1972	13.1 °C21 February 1972	24.8 °C	1,584 mm	171
1971	38.9 °C30 April 1971	11.9 °C14 February 1971	24.8 °C	1,178 mm	184
1970	36.6 °C1 May 1970	9.9 °C5 February 1970	24.3 °C	1,324 mm	160
1969	38.1 °C8 May 1969	14.8 °C14 December 1969	24.8 °C	1,586 mm	166
1968	35.6 °C8 June 1968	11.8 °C15 March 1968	24.1 °C	1,447 mm	139
1967	37.4 °C1 June 1967	12.5 °C11 January 1967	24.3 °C	1,266 mm	146
1966	37.1 °C19 May 1966	10.8 °C19 December 1966	23.8 °C	1,242 mm	137
1965	37.6 °C27 April 1965	12.1 °C20 January 1965	24.3 °C	1,504 mm	133
1964	38.8 °C5 May 1964	11.8 °C18 January 1964	24.2 °C	1,315 mm	151
1963	39.6 °C29 April 1963	9.7 °C7 February 1963	24.5 °C	1,181 mm	167
1962	38.8 °C5 June 1962	10.8 °C3 January 1962	24.3 °C	1,104 mm	159
1961	39.8 °C26 May 1961	11.5 °C26 February 1961	24.1 °C	1,421 mm	127
1960	39.8 °C17 May 1960	9.5 °C14 February 1960	24.5 °C	1,433 mm	163
1959	37.2 °C21 May 1959	14.4 °C17 January 1959	24.2 °C	1,443 mm	146
1958	40.1 °C9 May 1958	11.7 °C10 January 1958	24.5 °C	1,255 mm	164
1957	38.0 °C24 May 1957	11.5 °C11 December 1957	24.5 °C	1,218 mm	153
1956	38.2 °C9 April 1956	12.7 °C7 January 1956	23.9 °C	1,374 mm	116
1955	40.4 °C23 May 1955	10.7 °C31 January 1955	24.6 °C	1,442 mm	157
1954	37.0 °C2 May 1954	11.5 °C9 February 1954	23.7 °C	1,535 mm	125
1953	40.4 °C18 April 1953	12.2 °C26 January 1953	24.8 °C	1,241 mm	177
1952	37.9 °C22 March 1952	12.0 °C28 February 1952	24.2 °C	1,604 mm	129
1951	40.7 °C10 May 1951	11.4 °C17 January 1951	25.3 °C	1,437 mm	214
1950	38.2 °C30 April 1950	13.5 °C12 December 1950	24.6 °C	1,436 mm	157
1949	39.1 °C22 May 1949	12.4 °C16 November 1949	24.9 °C	1,332 mm	187
1948	37.5 °C4 May 1948	11.8 °C16 January 1948	24.4 °C	1,504 mm	146
1947	37.5 °C11 April 1947	11.6 °C16 February 1947	24.3 °C	1,521 mm	138
1946	38.5 °C20 May 1946	14.0 °C29 November 1946	24.6 °C	1,483 mm	144
1945	39.4 °C12 June 1945	10.8 °C6 December 1945	25.1 °C	1,249 mm	185
1944	40.2 °C23 May 1944	11.7 °C16 January 1944	24.5 °C	1,206 mm	158
1943	35.3 °C17 April 1943	12.5 °C22 December 1943	23.6 °C	1,375 mm	124
1942	37.7 °C15 May 1942	12.1 °C30 December 1942	23.9 °C	1,754 mm	114
1941	37.9 °C11 June 1941	11.2 °C11 February 1941	24.4 °C	1,266 mm	163
1940	40.0 °C1 May 1940	12.3 °C11 February 1940	24.5 °C	1,148 mm	159

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

+1.6 °C

Hot days (≥ 30 °C)

253 d/yr

+63

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1482 mm

+68 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.6 °C	+0.8 °C	30 mm	-14 mm
Feb	29.6 °C	+2.0 °C	48 mm	+24 mm
Mar	33.2 °C	+2.4 °C	5 mm	-15 mm
Apr	34.3 °C	+0.9 °C	4 mm	-22 mm
May	36.8 °C	+2.4 °C	68 mm	+6 mm
Jun	32.3 °C	0.0 °C	303 mm	+89 mm
Jul	32.5 °C	+1.6 °C	192 mm	-47 mm
Aug	32.9 °C	+1.9 °C	229 mm	-3 mm
Sep	32.3 °C	+2.1 °C	246 mm	-20 mm
Oct	30.7 °C	+1.8 °C	207 mm	+39 mm
Nov	29.1 °C	+1.8 °C	67 mm	-7 mm
Dec	27.8 °C	+1.7 °C	84 mm	+39 mm

The year's extremes

Hottest day

40.6 °C

6 May 2025

Coldest day

13.9 °C

22 Jan 2025

Wettest day

41.5 mm

6 Aug 2025

Windiest day

31.1 km/h

24 Jan 2025

Strongest gust

65.2 km/h

5 Apr 2025

Hottest feels-like

45.7 °C

8 May 2025

Coldest feels-like

11.5 °C

22 Jan 2025

Sunniest day

12.9 h

17 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 Acayucan?

Acayucan has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 1,414 mm of precipitation per year.

What is the hottest day ever recorded in Acayucan?

The hottest day measured in Acayucan between 1940 and 2025 was 28 March 2014, reaching 40.9 °C.

What is the coldest day in Acayucan?

The coldest day measured in Acayucan between 1940 and 2025 was 14 February 2006, at 9.3 °C.

Does it snow in Acayucan?

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

Has the climate of Acayucan warmed?

Yes: Acayucan warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Acayucan?

The wettest day measured in Acayucan between 1940 and 2025 was 20 May 1952, with 157 mm of rain in 24 hours.

What was the windiest day in Acayucan?

The windiest day measured in Acayucan between 1940 and 2025 was 3 March 1971, with winds reaching 38.2 km/h.

What is the warmest month in Acayucan?

The warmest month in Acayucan is May (28.5 °C on average); the coldest is January (21.4 °C).

How much does it rain in Acayucan?

Acayucan receives on average 1,414 mm of precipitation per year, spread over about 179 rainy days.

Is it sunny in Acayucan?

Acayucan gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Acayucan?

Yes: Acayucan has on average 261 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Acayucan?

In Acayucan, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 28 May 2024, and the lowest was 7.5 °C on 14 February 1960.

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