Cárdenas climate — normals and trends

Q: What is the climate of Cárdenas?

Cárdenas has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 644 mm of precipitation per year.

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

The hottest day measured in Cárdenas between 1940 and 2025 was 9 May 2024, reaching 42.8 °C.

Q: What is the coldest day in Cárdenas?

The coldest day measured in Cárdenas between 1940 and 2025 was 11 January 1962, at -3.7 °C.

Q: Does it snow in Cárdenas?

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

Q: Has the climate of Cárdenas warmed?

Yes: Cárdenas warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cárdenas?

The wettest day measured in Cárdenas between 1940 and 2025 was 8 August 1990, with 220 mm of rain in 24 hours.

Q: What was the windiest day in Cárdenas?

The windiest day measured in Cárdenas between 1940 and 2025 was 13 March 1954, with winds reaching 36.8 km/h.

Q: What is the warmest month in Cárdenas?

The warmest month in Cárdenas is May (23.7 °C on average); the coldest is January (14.7 °C).

Q: How much does it rain in Cárdenas?

Cárdenas receives on average 644 mm of precipitation per year, spread over about 122 rainy days.

Q: Is it sunny in Cárdenas?

Cárdenas gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Cárdenas (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 644 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 (23.7 °C on average) and the coldest is January (14.7 °C). Rainfall peaks in September.

Cárdenas averages 0 frost days, 73 hot days (≥ 30 °C) and 122 rainy days per year.

Cárdenas has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.8 °C (on 9 May 2024) and the coldest -3.7 °C (on 11 January 1962).

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

CárdenasSan Luis Potosí

coords: 22.00°, -99.64°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthDecember

Mean daily temperature

20.0°C

Average daily high

26.0°C

Average daily low

15.5°C

Annual rainfall

644mm

Sunshine / day

10.3h

Mean relative humidity

73%

Average peak wind

16.6km/h

Seasonal range

9.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

122 d/yr

Annual snowfall

0.2 cm

Average feels-like high

26.8 °C

Average feels-like low

16.2 °C

Average peak gust

35.0 km/h

Tropical nights (≥ 20 °C)

36 d/yr

Solar radiation

19.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.63 · 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

42.8 °C

9 May 2024

Coldest day

-3.7 °C

11 January 1962

Wettest day

220 mm

8 August 1990

Windiest day

36.8 km/h

13 March 1954

Strongest gust

79.6 km/h

20 September 1993

Hottest feels-like

44.6 °C

26 May 2024

Coldest feels-like

-8.0 °C

11 January 1962

Snowiest day

9.6 cm

11 January 1967

Sunniest day

13.0 h

28 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.9 °C6 May 2025	0.8 °C22 January 2025	21.5 °C	698 mm	132	0
2024	42.8 °C9 May 2024	4.9 °C17 January 2024	22.5 °C	708 mm	143	0
2023	38.8 °C14 June 2023	4.2 °C4 February 2023	21.9 °C	398 mm	173	0
2022	38.4 °C8 May 2022	2.8 °C5 February 2022	20.9 °C	523 mm	124	0
2021	39.0 °C3 May 2021	2.6 °C20 February 2021	21.1 °C	736 mm	109	0
2020	38.6 °C12 April 2020	3.5 °C26 December 2020	21.6 °C	469 mm	150	0
2019	38.9 °C21 May 2019	4.0 °C19 December 2019	21.7 °C	506 mm	168	0
2018	36.9 °C3 April 2018	0.4 °C15 November 2018	20.9 °C	596 mm	126	0
2017	38.8 °C29 April 2017	1.6 °C10 December 2017	21.0 °C	544 mm	118	0
2016	38.2 °C31 March 2016	2.9 °C23 January 2016	20.7 °C	716 mm	116	0
2015	34.4 °C19 August 2015	6.5 °C25 January 2015	20.4 °C	709 mm	80	0
2014	37.3 °C29 April 2014	3.3 °C29 January 2014	19.9 °C	803 mm	81	0
2013	39.2 °C18 April 2013	2.7 °C3 March 2013	20.4 °C	843 mm	100	0
2012	36.1 °C31 May 2012	5.2 °C27 December 2012	20.7 °C	608 mm	100	0
2011	39.2 °C26 April 2011	2.6 °C11 February 2011	20.7 °C	570 mm	99	0
2010	37.6 °C30 April 2010	0.8 °C9 January 2010	19.5 °C	1,004 mm	63	0
2009	37.3 °C12 April 2009	3.8 °C14 January 2009	20.9 °C	457 mm	126	0
2008	37.4 °C10 April 2008	3.8 °C3 January 2008	20.4 °C	821 mm	88	0
2007	38.0 °C17 April 2007	4.5 °C6 March 2007	20.3 °C	809 mm	67	0
2006	37.5 °C10 May 2006	2.4 °C13 February 2006	20.7 °C	563 mm	89	0
2005	38.2 °C29 April 2005	5.3 °C15 January 2005	20.7 °C	581 mm	89	0
2004	35.9 °C29 May 2004	-0.4 °C26 December 2004	20.0 °C	528 mm	64	1
2003	40.0 °C6 May 2003	2.8 °C18 January 2003	20.6 °C	616 mm	103	0
2002	37.8 °C2 May 2002	1.8 °C4 March 2002	20.1 °C	555 mm	78	0
2001	36.7 °C21 May 2001	3.8 °C20 January 2001	20.1 °C	542 mm	80	0
2000	36.6 °C23 April 2000	2.5 °C20 December 2000	20.4 °C	411 mm	90	0
1999	38.8 °C4 May 1999	3.1 °C14 February 1999	20.2 °C	510 mm	81	0
1998	40.6 °C16 April 1998	5.8 °C15 December 1998	20.9 °C	737 mm	97	0
1997	37.7 °C13 June 1997	-0.6 °C12 December 1997	20.1 °C	787 mm	79	3
1996	35.7 °C27 May 1996	0.9 °C19 December 1996	20.2 °C	728 mm	67	0
1995	38.4 °C13 May 1995	6.7 °C10 March 1995	20.8 °C	549 mm	65	0
1994	35.5 °C26 March 1994	3.2 °C9 January 1994	20.6 °C	483 mm	82	0
1993	34.6 °C13 April 1993	3.0 °C14 March 1993	20.0 °C	672 mm	56	0
1992	34.4 °C30 June 1992	2.3 °C28 November 1992	19.7 °C	772 mm	35	0
1991	38.6 °C27 April 1991	5.8 °C5 December 1991	20.3 °C	808 mm	79	0
1990	36.2 °C12 May 1990	2.0 °C9 December 1990	20.1 °C	829 mm	49	0
1989	36.6 °C7 June 1989	-1.5 °C24 December 1989	19.9 °C	612 mm	66	1
1988	35.4 °C23 April 1988	-0.3 °C26 January 1988	19.7 °C	687 mm	39	1
1987	34.6 °C3 May 1987	3.6 °C31 March 1987	19.5 °C	516 mm	44	0
1986	36.2 °C3 April 1986	1.5 °C14 January 1986	20.1 °C	778 mm	53	0
1985	34.2 °C30 March 1985	1.4 °C5 January 1985	19.8 °C	794 mm	33	0
1984	38.7 °C7 May 1984	4.3 °C21 January 1984	19.7 °C	828 mm	49	0
1983	37.9 °C22 April 1983	0.0 °C30 December 1983	20.2 °C	668 mm	65	0
1982	38.5 °C5 April 1982	2.0 °C14 January 1982	20.7 °C	497 mm	100	0
1981	37.0 °C18 May 1981	5.0 °C12 February 1981	20.1 °C	1,053 mm	49	0
1980	38.0 °C16 May 1980	3.1 °C3 March 1980	20.6 °C	480 mm	119	0
1979	35.1 °C10 April 1979	-0.1 °C2 January 1979	19.6 °C	523 mm	30	1
1978	37.4 °C7 May 1978	3.3 °C10 December 1978	20.0 °C	825 mm	56	0
1977	36.8 °C3 April 1977	0.7 °C22 December 1977	20.1 °C	598 mm	65	0
1976	33.3 °C26 March 1976	1.1 °C23 February 1976	18.9 °C	704 mm	24	0
1975	37.1 °C23 March 1975	-0.3 °C14 January 1975	19.7 °C	707 mm	44	1
1974	38.0 °C7 June 1974	3.4 °C9 February 1974	19.6 °C	722 mm	44	0
1973	39.3 °C27 May 1973	0.4 °C30 January 1973	19.5 °C	913 mm	52	0
1972	36.7 °C14 April 1972	3.8 °C4 February 1972	19.8 °C	681 mm	26	0
1971	37.6 °C27 April 1971	3.5 °C6 January 1971	19.9 °C	635 mm	49	0
1970	36.0 °C18 April 1970	1.0 °C8 January 1970	19.0 °C	628 mm	28	0
1969	36.1 °C6 May 1969	2.9 °C21 November 1969	19.6 °C	693 mm	42	0
1968	33.9 °C3 April 1968	3.5 °C14 January 1968	19.1 °C	657 mm	34	0
1967	36.4 °C11 May 1967	-1.3 °C11 January 1967	19.4 °C	1,014 mm	50	2
1966	34.4 °C18 May 1966	0.4 °C13 December 1966	18.6 °C	624 mm	46	0
1965	37.1 °C11 April 1965	1.7 °C26 February 1965	19.6 °C	509 mm	77	0
1964	40.5 °C1 May 1964	-0.1 °C14 January 1964	19.7 °C	505 mm	76	1
1963	37.2 °C11 April 1963	1.1 °C14 February 1963	19.5 °C	475 mm	58	0
1962	37.4 °C30 April 1962	-3.7 °C11 January 1962	19.9 °C	436 mm	90	3
1961	37.0 °C5 May 1961	4.1 °C10 January 1961	19.4 °C	454 mm	63	0
1960	38.3 °C29 April 1960	-0.2 °C14 February 1960	19.6 °C	442 mm	83	1
1959	35.1 °C10 May 1959	2.4 °C29 November 1959	19.0 °C	706 mm	39	0
1958	37.9 °C24 April 1958	2.2 °C9 January 1958	19.2 °C	690 mm	63	0
1957	37.9 °C21 May 1957	-0.6 °C12 December 1957	20.1 °C	475 mm	101	1
1956	38.3 °C14 April 1956	0.7 °C13 January 1956	19.1 °C	469 mm	43	0
1955	39.7 °C26 May 1955	0.4 °C24 January 1955	19.3 °C	842 mm	73	0
1954	38.1 °C24 March 1954	3.9 °C19 December 1954	19.6 °C	596 mm	73	0
1953	40.4 °C17 May 1953	1.3 °C24 December 1953	20.0 °C	503 mm	100	0
1952	36.5 °C10 May 1952	1.9 °C27 February 1952	19.1 °C	608 mm	47	0
1951	36.1 °C6 April 1951	-2.4 °C3 February 1951	19.7 °C	588 mm	51	3
1950	36.1 °C14 May 1950	1.7 °C7 December 1950	20.0 °C	548 mm	45	0
1949	35.9 °C30 April 1949	3.0 °C30 January 1949	19.7 °C	539 mm	33	0
1948	38.7 °C2 May 1948	3.5 °C18 January 1948	19.2 °C	723 mm	55	0
1947	37.6 °C4 April 1947	-1.1 °C4 January 1947	19.0 °C	681 mm	49	2
1946	38.2 °C19 May 1946	3.9 °C23 January 1946	19.7 °C	599 mm	63	0
1945	37.5 °C15 April 1945	4.2 °C5 December 1945	20.1 °C	552 mm	74	0
1944	36.7 °C17 April 1944	2.3 °C10 January 1944	19.2 °C	790 mm	60	0
1943	35.1 °C10 May 1943	3.3 °C20 January 1943	18.9 °C	571 mm	71	0
1942	36.0 °C14 May 1942	3.5 °C9 March 1942	18.7 °C	592 mm	34	0
1941	35.5 °C18 April 1941	3.8 °C19 January 1941	18.8 °C	854 mm	34	0
1940	35.1 °C30 April 1940	2.5 °C20 January 1940	19.1 °C	588 mm	42	0

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

28.2 °C

+2.2 °C

Hot days (≥ 30 °C)

132 d/yr

+59

Frost days (< 0 °C)

0 d/yr

Annual rainfall

698 mm

+54 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.0 °C	-0.1 °C	8 mm	-8 mm
Feb	26.5 °C	+3.1 °C	9 mm	-6 mm
Mar	31.3 °C	+4.8 °C	4 mm	-14 mm
Apr	31.2 °C	+2.1 °C	9 mm	-20 mm
May	33.1 °C	+3.0 °C	70 mm	+19 mm
Jun	28.2 °C	-0.7 °C	195 mm	+95 mm
Jul	28.6 °C	+0.8 °C	98 mm	+3 mm
Aug	31.1 °C	+2.9 °C	62 mm	-30 mm
Sep	28.6 °C	+2.0 °C	150 mm	+17 mm
Oct	27.6 °C	+2.6 °C	61 mm	-3 mm
Nov	26.7 °C	+3.5 °C	12 mm	-9 mm
Dec	24.2 °C	+2.6 °C	22 mm	+9 mm

The year's extremes

Hottest day

39.9 °C

6 May 2025

Coldest day

0.8 °C

22 Jan 2025

Wettest day

42.3 mm

21 Jun 2025

Windiest day

28.3 km/h

20 Apr 2025

Strongest gust

56.5 km/h

4 Mar 2025

Hottest feels-like

42.6 °C

19 May 2025

Coldest feels-like

-2.4 °C

22 Jan 2025

Sunniest day

13.0 h

15 May 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 Cárdenas?

Cárdenas has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 644 mm of precipitation per year.

What is the hottest day ever recorded in Cárdenas?

The hottest day measured in Cárdenas between 1940 and 2025 was 9 May 2024, reaching 42.8 °C.

What is the coldest day in Cárdenas?

The coldest day measured in Cárdenas between 1940 and 2025 was 11 January 1962, at -3.7 °C.

Does it snow in Cárdenas?

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

Has the climate of Cárdenas warmed?

Yes: Cárdenas warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cárdenas?

The wettest day measured in Cárdenas between 1940 and 2025 was 8 August 1990, with 220 mm of rain in 24 hours.

What was the windiest day in Cárdenas?

The windiest day measured in Cárdenas between 1940 and 2025 was 13 March 1954, with winds reaching 36.8 km/h.

What is the warmest month in Cárdenas?

The warmest month in Cárdenas is May (23.7 °C on average); the coldest is January (14.7 °C).

How much does it rain in Cárdenas?

Cárdenas receives on average 644 mm of precipitation per year, spread over about 122 rainy days.

Is it sunny in Cárdenas?

Cárdenas gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

What is the biggest single-day snowfall in Cárdenas?

The heaviest 24-hour snowfall measured in Cárdenas between 1940 and 2025 was 11 January 1967, with 9.6 cm.

Are there tropical nights in Cárdenas?

Yes: Cárdenas has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cárdenas?

In Cárdenas, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 26 May 2024, and the lowest was -8.0 °C on 11 January 1962.

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