Chilapa de Álvarez climate — normals and trends

Q: What is the climate of Chilapa de Álvarez?

Chilapa de Álvarez has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,747 mm of precipitation per year.

Q: What is the hottest day ever recorded in Chilapa de Álvarez?

The hottest day measured in Chilapa de Álvarez between 1940 and 2025 was 15 May 1998, reaching 35.8 °C.

Q: What is the coldest day in Chilapa de Álvarez?

The coldest day measured in Chilapa de Álvarez between 1940 and 2025 was 15 January 1986, at 6.7 °C.

Q: Does it snow in Chilapa de Álvarez?

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

Q: Has the climate of Chilapa de Álvarez warmed?

Yes: Chilapa de Álvarez warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Chilapa de Álvarez?

The wettest day measured in Chilapa de Álvarez between 1940 and 2025 was 25 September 2024, with 169 mm of rain in 24 hours.

Q: What was the windiest day in Chilapa de Álvarez?

The windiest day measured in Chilapa de Álvarez between 1940 and 2025 was 2 January 2008, with winds reaching 23.0 km/h.

Q: What is the warmest month in Chilapa de Álvarez?

The warmest month in Chilapa de Álvarez is May (21.5 °C on average); the coldest is January (17.9 °C).

Q: How much does it rain in Chilapa de Álvarez?

Chilapa de Álvarez receives on average 1,747 mm of precipitation per year, spread over about 172 rainy days.

Q: Is it sunny in Chilapa de Álvarez?

Chilapa de Álvarez gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Chilapa de Álvarez (Mexico) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 19.7 °C and it receives 1,747 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 (21.5 °C on average) and the coldest is January (17.9 °C). Rainfall peaks in September.

Chilapa de Álvarez averages 0 frost days, 32 hot days (≥ 30 °C) and 172 rainy days per year.

Chilapa de Álvarez has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.8 °C (on 15 May 1998) and the coldest 6.7 °C (on 15 January 1986).

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

Chilapa de ÁlvarezGuerrero

coords: 17.60°, -99.17°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthMarch

Mean daily temperature

19.7°C

Average daily high

26.2°C

Average daily low

14.7°C

Annual rainfall

1,747mm

Sunshine / day

10.9h

Mean relative humidity

74%

Average peak wind

10.0km/h

Seasonal range

3.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

32 d/yr

Rainy days (≥ 1 mm)

172 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.2 °C

Average feels-like low

15.3 °C

Average peak gust

34.5 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

20.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.80 · 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

35.8 °C

15 May 1998

Coldest day

6.7 °C

15 January 1986

Wettest day

169 mm

25 September 2024

Windiest day

23.0 km/h

2 January 2008

Strongest gust

81.0 km/h

8 October 1976

Hottest feels-like

37.6 °C

31 May 2024

Coldest feels-like

2.6 °C

21 December 1954

Sunniest day

12.9 h

29 May 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.5 °C8 May 2025	11.3 °C15 March 2025	20.7 °C	2,230 mm	61
2024	34.3 °C31 May 2024	10.5 °C1 January 2024	21.1 °C	2,215 mm	95
2023	33.3 °C22 June 2023	9.1 °C20 December 2023	20.7 °C	1,824 mm	54
2022	33.6 °C16 April 2022	10.0 °C15 December 2022	20.1 °C	2,124 mm	57
2021	32.9 °C26 April 2021	8.0 °C15 February 2021	20.1 °C	1,925 mm	49
2020	34.2 °C8 April 2020	10.9 °C6 January 2020	20.6 °C	1,680 mm	79
2019	32.7 °C27 April 2019	9.2 °C31 January 2019	20.4 °C	2,152 mm	46
2018	31.9 °C21 March 2018	8.7 °C15 January 2018	20.0 °C	2,129 mm	18
2017	32.7 °C7 April 2017	7.5 °C11 December 2017	20.2 °C	1,997 mm	29
2016	32.6 °C7 April 2016	8.5 °C11 March 2016	20.5 °C	2,260 mm	31
2015	33.0 °C23 February 2015	11.0 °C2 February 2015	20.7 °C	2,174 mm	34
2014	33.0 °C23 March 2014	9.4 °C16 January 2014	20.4 °C	2,023 mm	44
2013	32.8 °C18 April 2013	8.4 °C4 March 2013	20.4 °C	2,175 mm	52
2012	33.7 °C3 May 2012	10.1 °C8 December 2012	20.3 °C	1,890 mm	39
2011	34.1 °C28 April 2011	9.9 °C25 January 2011	20.5 °C	1,782 mm	64
2010	34.3 °C24 May 2010	8.0 °C12 December 2010	20.3 °C	1,797 mm	56
2009	32.8 °C28 February 2009	8.2 °C7 February 2009	20.4 °C	1,521 mm	57
2008	33.5 °C16 May 2008	8.8 °C3 January 2008	20.1 °C	1,613 mm	44
2007	33.1 °C7 May 2007	9.6 °C9 November 2007	20.2 °C	1,854 mm	43
2006	33.5 °C3 April 2006	7.4 °C24 November 2006	20.2 °C	2,194 mm	41
2005	34.1 °C17 April 2005	9.1 °C19 January 2005	20.6 °C	1,703 mm	69
2004	33.0 °C19 March 2004	7.6 °C20 January 2004	19.9 °C	1,676 mm	33
2003	34.1 °C3 May 2003	7.2 °C24 February 2003	20.2 °C	1,718 mm	56
2002	34.4 °C5 May 2002	9.8 °C8 January 2002	20.6 °C	1,643 mm	60
2001	33.2 °C17 April 2001	10.0 °C27 November 2001	20.4 °C	1,548 mm	47
2000	34.1 °C25 April 2000	8.6 °C19 January 2000	20.2 °C	1,704 mm	66
1999	35.4 °C7 April 1999	9.6 °C2 December 1999	20.2 °C	1,587 mm	70
1998	35.8 °C15 May 1998	7.2 °C16 February 1998	20.4 °C	1,592 mm	60
1997	33.6 °C4 May 1997	6.7 °C12 January 1997	20.3 °C	2,026 mm	22
1996	31.7 °C2 May 1996	7.7 °C3 January 1996	20.1 °C	1,812 mm	14
1995	31.8 °C13 April 1995	9.8 °C15 January 1995	20.4 °C	1,844 mm	18
1994	32.7 °C25 March 1994	9.8 °C7 January 1994	20.5 °C	1,355 mm	51
1993	33.4 °C6 June 1993	10.5 °C20 December 1993	20.3 °C	1,681 mm	60
1992	31.8 °C9 April 1992	9.8 °C5 February 1992	19.9 °C	1,908 mm	16
1991	34.2 °C4 May 1991	9.2 °C17 January 1991	20.3 °C	1,853 mm	65
1990	33.0 °C12 March 1990	10.1 °C23 February 1990	20.2 °C	2,301 mm	18
1989	32.1 °C18 April 1989	9.6 °C24 February 1989	20.0 °C	2,023 mm	27
1988	34.0 °C9 May 1988	8.0 °C28 January 1988	20.4 °C	1,500 mm	66
1987	33.8 °C16 April 1987	9.1 °C29 January 1987	20.5 °C	1,712 mm	35
1986	33.2 °C14 April 1986	6.7 °C15 January 1986	19.9 °C	1,852 mm	23
1985	33.4 °C28 April 1985	9.9 °C8 February 1985	19.7 °C	1,939 mm	27
1984	34.2 °C8 May 1984	8.1 °C19 November 1984	19.7 °C	2,016 mm	46
1983	34.7 °C21 May 1983	7.4 °C2 February 1983	20.0 °C	1,746 mm	41
1982	33.8 °C3 April 1982	8.1 °C25 December 1982	20.6 °C	1,389 mm	51
1981	32.6 °C18 May 1981	8.7 °C26 January 1981	20.3 °C	2,040 mm	35
1980	32.8 °C2 April 1980	9.3 °C5 January 1980	20.7 °C	1,750 mm	39
1979	31.9 °C27 April 1979	8.6 °C14 January 1979	20.2 °C	1,579 mm	24
1978	33.2 °C17 April 1978	9.2 °C11 January 1978	19.8 °C	1,860 mm	28
1977	32.4 °C31 March 1977	9.5 °C22 December 1977	19.7 °C	1,774 mm	10
1976	31.1 °C16 March 1976	7.3 °C25 February 1976	19.3 °C	1,687 mm	7
1975	31.9 °C14 April 1975	8.6 °C11 December 1975	19.1 °C	2,026 mm	18
1974	32.9 °C24 April 1974	9.8 °C11 February 1974	18.9 °C	1,890 mm	17
1973	31.9 °C9 May 1973	8.1 °C30 January 1973	19.1 °C	1,901 mm	18
1972	32.3 °C4 April 1972	9.3 °C9 February 1972	19.5 °C	1,715 mm	20
1971	32.6 °C29 April 1971	9.2 °C9 February 1971	19.1 °C	1,522 mm	19
1970	31.9 °C28 May 1970	8.1 °C15 January 1970	19.4 °C	1,420 mm	28
1969	33.4 °C8 May 1969	8.7 °C22 November 1969	19.7 °C	1,337 mm	41
1968	29.9 °C5 April 1968	8.7 °C8 February 1968	18.9 °C	1,301 mm	0
1967	32.0 °C11 May 1967	8.9 °C11 February 1967	18.9 °C	1,710 mm	10
1966	32.0 °C30 April 1966	8.5 °C31 January 1966	19.0 °C	1,549 mm	26
1965	30.9 °C7 April 1965	7.5 °C24 February 1965	18.9 °C	1,607 mm	17
1964	32.1 °C1 May 1964	9.6 °C26 December 1964	18.8 °C	1,663 mm	29
1963	32.1 °C25 April 1963	7.1 °C14 February 1963	19.0 °C	1,511 mm	20
1962	30.9 °C12 April 1962	8.7 °C11 January 1962	18.8 °C	1,476 mm	5
1961	33.2 °C21 April 1961	8.4 °C13 February 1961	19.1 °C	1,381 mm	45
1960	31.7 °C30 April 1960	7.8 °C14 February 1960	18.9 °C	1,587 mm	21
1959	30.7 °C4 April 1959	8.7 °C11 January 1959	18.7 °C	2,016 mm	7
1958	32.2 °C7 April 1958	8.1 °C16 February 1958	18.8 °C	1,815 mm	38
1957	30.9 °C8 April 1957	7.4 °C7 March 1957	19.1 °C	1,174 mm	18
1956	31.3 °C16 April 1956	7.2 °C13 January 1956	18.4 °C	1,634 mm	12
1955	31.0 °C25 April 1955	7.6 °C24 January 1955	18.4 °C	1,645 mm	12
1954	30.7 °C23 March 1954	6.9 °C21 December 1954	18.6 °C	1,745 mm	6
1953	32.6 °C19 April 1953	8.2 °C13 November 1953	19.0 °C	1,419 mm	24
1952	31.0 °C10 May 1952	8.3 °C4 February 1952	18.7 °C	1,703 mm	14
1951	31.6 °C22 April 1951	9.0 °C15 January 1951	19.4 °C	1,870 mm	11
1950	29.8 °C30 April 1950	8.8 °C28 December 1950	18.7 °C	1,697 mm	0
1949	31.4 °C3 May 1949	9.3 °C30 January 1949	18.7 °C	1,459 mm	11
1948	30.7 °C1 April 1948	9.3 °C12 January 1948	18.5 °C	2,011 mm	4
1947	30.8 °C19 April 1947	8.9 °C26 December 1947	18.4 °C	2,097 mm	9
1946	31.6 °C31 March 1946	8.1 °C6 January 1946	18.8 °C	1,309 mm	12
1945	31.1 °C24 April 1945	8.6 °C18 January 1945	18.7 °C	1,518 mm	12
1944	31.8 °C11 April 1944	8.7 °C21 January 1944	18.7 °C	1,643 mm	23
1943	31.2 °C13 April 1943	9.2 °C19 December 1943	18.3 °C	1,416 mm	5
1942	31.1 °C5 May 1942	7.9 °C15 March 1942	18.5 °C	1,374 mm	19
1941	31.6 °C21 April 1941	8.1 °C26 February 1941	18.7 °C	1,561 mm	28
1940	31.6 °C1 May 1940	7.3 °C22 December 1940	18.7 °C	1,197 mm	5

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

27.6 °C

+1.4 °C

Hot days (≥ 30 °C)

61 d/yr

+29

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2230 mm

+483 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	+2.3 °C	17 mm	-1 mm
Feb	27.9 °C	+1.1 °C	59 mm	+48 mm
Mar	30.1 °C	+1.6 °C	1 mm	-10 mm
Apr	30.5 °C	+0.8 °C	7 mm	-22 mm
May	29.7 °C	+1.1 °C	142 mm	+28 mm
Jun	25.2 °C	-0.3 °C	567 mm	+250 mm
Jul	27.0 °C	+1.7 °C	327 mm	-5 mm
Aug	26.6 °C	+1.4 °C	424 mm	+90 mm
Sep	26.3 °C	+1.7 °C	399 mm	+51 mm
Oct	26.5 °C	+1.5 °C	240 mm	+70 mm
Nov	27.1 °C	+2.0 °C	8 mm	-40 mm
Dec	26.2 °C	+1.2 °C	40 mm	+25 mm

The year's extremes

Hottest day

32.5 °C

8 May 2025

Coldest day

11.3 °C

15 Mar 2025

Wettest day

83.4 mm

29 Sep 2025

Windiest day

21.7 km/h

10 Nov 2025

Strongest gust

71.6 km/h

10 Nov 2025

Hottest feels-like

34.9 °C

8 May 2025

Coldest feels-like

9.8 °C

25 Jan 2025

Sunniest day

12.9 h

29 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 Chilapa de Álvarez?

Chilapa de Álvarez has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,747 mm of precipitation per year.

What is the hottest day ever recorded in Chilapa de Álvarez?

The hottest day measured in Chilapa de Álvarez between 1940 and 2025 was 15 May 1998, reaching 35.8 °C.

What is the coldest day in Chilapa de Álvarez?

The coldest day measured in Chilapa de Álvarez between 1940 and 2025 was 15 January 1986, at 6.7 °C.

Does it snow in Chilapa de Álvarez?

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

Has the climate of Chilapa de Álvarez warmed?

Yes: Chilapa de Álvarez warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Chilapa de Álvarez?

The wettest day measured in Chilapa de Álvarez between 1940 and 2025 was 25 September 2024, with 169 mm of rain in 24 hours.

What was the windiest day in Chilapa de Álvarez?

The windiest day measured in Chilapa de Álvarez between 1940 and 2025 was 2 January 2008, with winds reaching 23.0 km/h.

What is the warmest month in Chilapa de Álvarez?

The warmest month in Chilapa de Álvarez is May (21.5 °C on average); the coldest is January (17.9 °C).

How much does it rain in Chilapa de Álvarez?

Chilapa de Álvarez receives on average 1,747 mm of precipitation per year, spread over about 172 rainy days.

Is it sunny in Chilapa de Álvarez?

Chilapa de Álvarez gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Are there tropical nights in Chilapa de Álvarez?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chilapa de Álvarez.

What was the most extreme apparent temperature in Chilapa de Álvarez?

In Chilapa de Álvarez, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 31 May 2024, and the lowest was 2.6 °C on 21 December 1954.

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