Zumpango del Río climate — normals and trends

Q: What is the climate of Zumpango del Río?

Zumpango del Río has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,098 mm of precipitation per year.

Q: What is the hottest day ever recorded in Zumpango del Río?

The hottest day measured in Zumpango del Río between 1940 and 2025 was 15 May 1998, reaching 38.1 °C.

Q: What is the coldest day in Zumpango del Río?

The coldest day measured in Zumpango del Río between 1940 and 2025 was 25 February 1976, at 6.2 °C.

Q: Does it snow in Zumpango del Río?

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

Q: Has the climate of Zumpango del Río warmed?

Yes: Zumpango del Río warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Zumpango del Río?

The wettest day measured in Zumpango del Río between 1940 and 2025 was 25 September 2024, with 146 mm of rain in 24 hours.

Q: What was the windiest day in Zumpango del Río?

The windiest day measured in Zumpango del Río between 1940 and 2025 was 13 November 2013, with winds reaching 20.7 km/h.

Q: What is the warmest month in Zumpango del Río?

The warmest month in Zumpango del Río is May (24.6 °C on average); the coldest is January (19.7 °C).

Q: How much does it rain in Zumpango del Río?

Zumpango del Río receives on average 1,098 mm of precipitation per year, spread over about 156 rainy days.

Q: Is it sunny in Zumpango del Río?

Zumpango del Río gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Zumpango del Río (Mexico) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 1,098 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 (24.6 °C on average) and the coldest is January (19.7 °C). Rainfall peaks in September.

Zumpango del Río averages 0 frost days, 121 hot days (≥ 30 °C) and 156 rainy days per year.

Zumpango del Río has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.1 °C (on 15 May 1998) and the coldest 6.2 °C (on 25 February 1976).

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

Zumpango del RíoGuerrero

coords: 17.65°, -99.53°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthMarch

Mean daily temperature

22.1°C

Average daily high

28.8°C

Average daily low

16.7°C

Annual rainfall

1,098mm

Sunshine / day

11.0h

Mean relative humidity

61%

Average peak wind

7.7km/h

Seasonal range

4.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

121 d/yr

Rainy days (≥ 1 mm)

156 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.4 °C

Average feels-like low

17.5 °C

Average peak gust

29.7 km/h

Tropical nights (≥ 20 °C)

20 d/yr

Solar radiation

21.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.5 °C

since 1940

+0.3 °C per decade · r² = 0.76 · 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

38.1 °C

15 May 1998

Coldest day

6.2 °C

25 February 1976

Wettest day

146 mm

25 September 2024

Windiest day

20.7 km/h

13 November 2013

Strongest gust

75.6 km/h

9 March 2016

Hottest feels-like

40.6 °C

24 May 2010

Coldest feels-like

3.7 °C

13 January 1956

Sunniest day

12.9 h

4 June 2016

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.7 °C7 May 2025	12.4 °C26 January 2025	23.0 °C	1,363 mm	165
2024	37.4 °C10 May 2024	11.4 °C1 January 2024	23.5 °C	1,656 mm	187
2023	36.0 °C22 June 2023	9.3 °C20 December 2023	23.3 °C	1,162 mm	191
2022	35.9 °C17 April 2022	11.9 °C8 December 2022	22.6 °C	1,238 mm	127
2021	35.7 °C16 April 2021	11.0 °C1 January 2021	22.5 °C	1,404 mm	144
2020	36.6 °C8 April 2020	11.1 °C6 January 2020	23.2 °C	1,065 mm	178
2019	36.0 °C23 April 2019	11.5 °C21 January 2019	22.9 °C	1,277 mm	159
2018	34.5 °C30 May 2018	9.9 °C15 January 2018	22.4 °C	1,398 mm	121
2017	35.4 °C19 May 2017	8.7 °C12 December 2017	22.5 °C	1,294 mm	134
2016	36.6 °C4 May 2016	10.1 °C11 March 2016	23.0 °C	1,411 mm	158
2015	35.1 °C23 April 2015	12.1 °C6 January 2015	23.2 °C	1,384 mm	179
2014	36.1 °C22 July 2014	11.0 °C4 December 2014	23.0 °C	1,208 mm	181
2013	36.8 °C18 April 2013	8.6 °C4 March 2013	22.9 °C	1,380 mm	173
2012	36.4 °C3 May 2012	11.2 °C4 January 2012	22.9 °C	1,148 mm	190
2011	37.0 °C26 May 2011	10.0 °C30 November 2011	22.9 °C	1,146 mm	182
2010	36.9 °C21 May 2010	8.7 °C12 December 2010	22.6 °C	1,183 mm	153
2009	35.7 °C5 April 2009	9.2 °C7 February 2009	23.2 °C	942 mm	204
2008	36.2 °C21 April 2008	9.6 °C5 January 2008	22.6 °C	1,008 mm	166
2007	36.1 °C7 May 2007	11.1 °C9 November 2007	22.7 °C	1,208 mm	161
2006	36.0 °C3 April 2006	7.6 °C24 November 2006	22.6 °C	1,351 mm	142
2005	36.8 °C9 June 2005	10.6 °C17 January 2005	23.4 °C	972 mm	202
2004	34.9 °C26 April 2004	8.1 °C30 December 2004	22.5 °C	1,023 mm	154
2003	37.3 °C2 May 2003	10.1 °C20 December 2003	22.8 °C	1,041 mm	171
2002	36.4 °C9 May 2002	10.1 °C24 November 2002	23.1 °C	1,016 mm	183
2001	35.8 °C4 April 2001	11.2 °C6 December 2001	22.9 °C	994 mm	174
2000	36.6 °C25 April 2000	8.5 °C19 January 2000	22.8 °C	955 mm	185
1999	37.4 °C7 April 1999	9.9 °C15 February 1999	22.6 °C	975 mm	166
1998	38.1 °C15 May 1998	9.9 °C9 January 1998	23.0 °C	1,055 mm	179
1997	35.4 °C3 May 1997	10.2 °C12 January 1997	22.9 °C	1,248 mm	141
1996	34.3 °C3 May 1996	9.2 °C3 January 1996	22.7 °C	1,156 mm	133
1995	34.2 °C23 April 1995	11.8 °C26 November 1995	22.7 °C	1,284 mm	86
1994	35.2 °C3 May 1994	10.8 °C11 January 1994	23.2 °C	881 mm	190
1993	36.1 °C5 June 1993	11.2 °C3 January 1993	22.8 °C	1,046 mm	160
1992	34.3 °C23 March 1992	10.8 °C2 February 1992	22.3 °C	1,310 mm	118
1991	37.0 °C4 May 1991	11.9 °C17 January 1991	22.9 °C	1,195 mm	152
1990	34.6 °C13 March 1990	11.1 °C10 December 1990	22.9 °C	1,327 mm	141
1989	35.4 °C19 May 1989	10.0 °C26 February 1989	22.4 °C	1,277 mm	123
1988	36.8 °C9 May 1988	9.4 °C28 January 1988	22.8 °C	940 mm	147
1987	36.0 °C16 April 1987	9.6 °C30 January 1987	23.1 °C	944 mm	165
1986	36.0 °C13 May 1986	7.0 °C15 January 1986	22.5 °C	1,057 mm	130
1985	35.8 °C28 April 1985	11.8 °C1 January 1985	22.2 °C	1,122 mm	101
1984	36.4 °C8 May 1984	9.3 °C2 January 1984	22.1 °C	1,299 mm	100
1983	37.1 °C21 May 1983	9.0 °C23 January 1983	22.7 °C	1,093 mm	131
1982	37.3 °C3 April 1982	9.1 °C20 December 1982	23.2 °C	861 mm	177
1981	35.4 °C30 April 1981	9.2 °C24 January 1981	22.8 °C	1,234 mm	140
1980	36.2 °C13 May 1980	10.2 °C5 February 1980	23.3 °C	1,098 mm	158
1979	34.2 °C11 May 1979	10.3 °C10 January 1979	22.6 °C	1,007 mm	99
1978	36.2 °C18 April 1978	11.0 °C18 March 1978	22.3 °C	1,170 mm	104
1977	35.9 °C31 March 1977	10.8 °C23 December 1977	22.5 °C	1,046 mm	128
1976	32.8 °C16 March 1976	6.2 °C25 February 1976	21.9 °C	1,136 mm	97
1975	34.3 °C20 April 1975	8.8 °C11 December 1975	21.6 °C	1,245 mm	73
1974	34.9 °C12 May 1974	10.4 °C11 February 1974	21.4 °C	1,113 mm	70
1973	34.7 °C9 May 1973	9.0 °C30 January 1973	21.5 °C	1,235 mm	83
1972	34.8 °C10 April 1972	10.6 °C22 February 1972	22.2 °C	1,011 mm	90
1971	35.1 °C29 April 1971	11.2 °C9 February 1971	21.6 °C	977 mm	79
1970	34.9 °C28 May 1970	10.6 °C15 January 1970	21.9 °C	902 mm	88
1969	35.8 °C9 May 1969	10.0 °C22 November 1969	22.2 °C	853 mm	100
1968	33.3 °C28 May 1968	9.4 °C8 February 1968	21.6 °C	832 mm	70
1967	35.4 °C11 May 1967	10.5 °C12 January 1967	21.3 °C	1,162 mm	71
1966	34.8 °C17 May 1966	9.0 °C31 January 1966	21.4 °C	930 mm	69
1965	33.4 °C7 April 1965	8.5 °C18 January 1965	21.4 °C	935 mm	94
1964	35.1 °C28 April 1964	11.2 °C26 December 1964	21.4 °C	1,015 mm	75
1963	34.4 °C25 April 1963	10.0 °C14 February 1963	21.4 °C	971 mm	83
1962	33.4 °C30 April 1962	9.6 °C15 November 1962	21.5 °C	803 mm	90
1961	36.4 °C15 April 1961	8.7 °C13 February 1961	21.5 °C	943 mm	91
1960	34.6 °C30 April 1960	9.8 °C14 February 1960	21.3 °C	1,010 mm	95
1959	32.9 °C26 April 1959	9.4 °C11 January 1959	20.7 °C	1,392 mm	52
1958	34.6 °C7 April 1958	9.2 °C21 January 1958	21.2 °C	1,185 mm	84
1957	33.9 °C13 May 1957	9.1 °C12 December 1957	21.9 °C	665 mm	112
1956	34.2 °C16 April 1956	6.5 °C13 January 1956	20.9 °C	867 mm	71
1955	34.1 °C25 April 1955	8.5 °C25 January 1955	20.6 °C	1,160 mm	81
1954	33.0 °C23 March 1954	8.0 °C21 December 1954	21.1 °C	994 mm	36
1953	34.9 °C19 April 1953	9.2 °C13 January 1953	21.6 °C	801 mm	98
1952	34.5 °C10 May 1952	10.6 °C6 December 1952	21.1 °C	1,054 mm	76
1951	34.9 °C22 April 1951	10.1 °C3 February 1951	21.7 °C	1,127 mm	86
1950	33.0 °C30 April 1950	9.4 °C20 December 1950	20.9 °C	1,056 mm	55
1949	33.8 °C2 May 1949	10.6 °C20 November 1949	21.0 °C	896 mm	71
1948	33.5 °C1 April 1948	9.2 °C12 January 1948	20.7 °C	1,317 mm	47
1947	33.0 °C26 April 1947	9.2 °C30 November 1947	20.6 °C	1,430 mm	55
1946	34.7 °C20 May 1946	10.2 °C6 January 1946	21.4 °C	789 mm	82
1945	33.9 °C26 April 1945	10.1 °C2 January 1945	20.9 °C	984 mm	72
1944	34.7 °C11 April 1944	8.9 °C15 December 1944	20.6 °C	1,215 mm	83
1943	33.5 °C13 April 1943	9.6 °C1 January 1943	20.6 °C	915 mm	44
1942	33.4 °C3 May 1942	8.5 °C12 January 1942	21.0 °C	839 mm	64
1941	33.9 °C20 April 1941	10.3 °C7 January 1941	21.1 °C	995 mm	88
1940	34.6 °C1 May 1940	9.5 °C22 December 1940	21.1 °C	830 mm	72

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

29.9 °C

+1.1 °C

Hot days (≥ 30 °C)

165 d/yr

+44

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1363 mm

+265 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.0 °C	+2.0 °C	13 mm	-3 mm
Feb	30.4 °C	+1.6 °C	32 mm	+22 mm
Mar	32.8 °C	+1.8 °C	2 mm	-7 mm
Apr	33.2 °C	+0.8 °C	3 mm	-17 mm
May	32.9 °C	+1.2 °C	68 mm	-5 mm
Jun	27.2 °C	-1.2 °C	379 mm	+178 mm
Jul	28.5 °C	+0.5 °C	236 mm	+33 mm
Aug	29.1 °C	+0.9 °C	239 mm	+31 mm
Sep	28.9 °C	+1.7 °C	211 mm	-5 mm
Oct	28.8 °C	+1.1 °C	158 mm	+56 mm
Nov	30.0 °C	+2.2 °C	3 mm	-26 mm
Dec	28.6 °C	+1.6 °C	19 mm	+9 mm

The year's extremes

Hottest day

35.7 °C

7 May 2025

Coldest day

12.4 °C

26 Jan 2025

Wettest day

42.3 mm

14 Jun 2025

Windiest day

19.4 km/h

10 Nov 2025

Strongest gust

60.5 km/h

10 Nov 2025

Hottest feels-like

38.8 °C

8 May 2025

Coldest feels-like

11.7 °C

3 Jan 2025

Sunniest day

12.9 h

16 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 Zumpango del Río?

Zumpango del Río has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,098 mm of precipitation per year.

What is the hottest day ever recorded in Zumpango del Río?

The hottest day measured in Zumpango del Río between 1940 and 2025 was 15 May 1998, reaching 38.1 °C.

What is the coldest day in Zumpango del Río?

The coldest day measured in Zumpango del Río between 1940 and 2025 was 25 February 1976, at 6.2 °C.

Does it snow in Zumpango del Río?

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

Has the climate of Zumpango del Río warmed?

Yes: Zumpango del Río warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Zumpango del Río?

The wettest day measured in Zumpango del Río between 1940 and 2025 was 25 September 2024, with 146 mm of rain in 24 hours.

What was the windiest day in Zumpango del Río?

The windiest day measured in Zumpango del Río between 1940 and 2025 was 13 November 2013, with winds reaching 20.7 km/h.

What is the warmest month in Zumpango del Río?

The warmest month in Zumpango del Río is May (24.6 °C on average); the coldest is January (19.7 °C).

How much does it rain in Zumpango del Río?

Zumpango del Río receives on average 1,098 mm of precipitation per year, spread over about 156 rainy days.

Is it sunny in Zumpango del Río?

Zumpango del Río gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Are there tropical nights in Zumpango del Río?

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

What was the most extreme apparent temperature in Zumpango del Río?

In Zumpango del Río, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 24 May 2010, and the lowest was 3.7 °C on 13 January 1956.

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