Zanatepec Weather Records (MXN00020292)

Record envelope, standing records and threshold days for Zanatepec (MXN00020292), Mexico, with 34 years of record.

Key Facts for Zanatepec

Zanatepec (MXN00020292) is a weather station in Mexico at 16.47 latitude and -94.37 longitude, 54 m (177 ft) above sea level.
The station reports from 1978 to 2011, 34 years of record.
1,464 records set at Zanatepec still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Zanatepec set a daily record precipitation of 68.6 mm (2.7 in) on 10 October 2011.

About the Station

Location: Mexico, 16.47 latitude, -94.37 longitude.
Elevation: 54 m (177 ft).
Period of record: 1978 to 2011, 34 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Zanatepec. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Zanatepec, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	39.4 C (102.9 F)	7.8 C (46.0 F)	n/a	n/a
Feb	40.0 C (104.0 F)	7.2 C (45.0 F)	n/a	n/a
Mar	41.7 C (107.1 F)	10.0 C (50.0 F)	n/a	n/a
Apr	43.3 C (109.9 F)	11.1 C (52.0 F)	n/a	n/a
May	43.3 C (109.9 F)	15.0 C (59.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	12.2 C (54.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	17.2 C (63.0 F)	n/a	n/a
Aug	41.7 C (107.1 F)	16.7 C (62.1 F)	n/a	n/a
Sep	41.1 C (106.0 F)	16.7 C (62.1 F)	n/a	n/a
Oct	40.0 C (104.0 F)	11.7 C (53.1 F)	n/a	n/a
Nov	40.0 C (104.0 F)	5.6 C (42.1 F)	n/a	n/a
Dec	40.0 C (104.0 F)	8.3 C (46.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Zanatepec still stand. 2006 holds the most, with 170.

Standing records at Zanatepec by the year they were set
Year set	Standing records
1978	90
1979	79
1980	92
1981	74
1982	109
1983	59
1984	41
1985	27
1986	33
1987	72
1988	60
1989	20
1990	20
1991	34
1992	2
1998	3
1999	31
2000	17
2001	63
2002	28
2003	37
2004	26
2005	83
2006	170
2007	24
2008	26
2009	11
2010	74
2011	59

Wettest Day of Each Month

Sep: 419.9 mm (16.5 in)

The wettest day on record for each calendar month at Zanatepec. The most was 419.9 mm (16.5 in) on 24 September 1980.

Record daily precipitation for each month at Zanatepec
Month	Record daily precipitation (mm)	Date
Jan	27.9 mm (1.1 in)	13 January 1995
Feb	30.5 mm (1.2 in)	25 February 1983
Mar	33.5 mm (1.3 in)	3 March 1978
Apr	67.8 mm (2.7 in)	16 April 1989
May	233.4 mm (9.2 in)	30 May 1986
Jun	251.5 mm (9.9 in)	29 June 2010
Jul	125.0 mm (4.9 in)	24 July 1995
Aug	245.9 mm (9.7 in)	26 August 1981
Sep	419.9 mm (16.5 in)	24 September 1980
Oct	130.8 mm (5.1 in)	17 October 2007
Nov	95.0 mm (3.7 in)	10 November 1997
Dec	17.3 mm (0.7 in)	21 December 1978

Period of Record Coverage

1978 to 2011

29 years of record at Zanatepec, 1978 to 2011. 8 years have data for under 90 percent of days and are left out of rankings: 1989, 1990, 1992, 1998, 1999, 2000, 2004, 2009.

Days with data per year at Zanatepec
Year	Days with data	Share of year	Complete
1978	364	100%	Yes
1979	364	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	363	99%	Yes
1984	366	100%	Yes
1985	334	92%	Yes
1986	364	100%	Yes
1987	365	100%	Yes
1988	354	97%	Yes
1989	303	83%	No
1990	210	58%	No
1991	354	97%	Yes
1992	10	3%	No
1998	38	10%	No
1999	243	67%	No
2000	199	54%	No
2001	365	100%	Yes
2002	365	100%	Yes
2003	350	96%	Yes
2004	305	83%	No
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	335	92%	Yes
2009	183	50%	No
2010	349	96%	Yes
2011	337	92%	Yes

Latest Records

Latest records at Zanatepec
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 October 2011	Zanatepec, MX	daily rain	68.6 mm (2.7 in)	41.7 mm (1.6 in)	4 years	20 of 100 (Routine)
14 July 2011	Zanatepec, MX	daily rain	64.8 mm (2.6 in)	16.0 mm (0.6 in)	16 years	15 of 100 (Routine)
27 April 2011	Zanatepec, MX	daily rain	40.4 mm (1.6 in)	14.2 mm (0.6 in)	29 years	22 of 100 (Routine)
26 April 2011	Zanatepec, MX	daily rain	27.9 mm (1.1 in)	25.1 mm (1.0 in)	4 years	24 of 100 (Routine)
18 April 2011	Zanatepec, MX	daily rain	64.8 mm (2.6 in)	63.5 mm (2.5 in)	16 years	47 of 100 (Notable)
27 March 2011	Zanatepec, MX	daily rain	2.5 mm (0.10 in)	0.2 mm (0.01 in)	21 years	9 of 100 (Routine)
26 March 2011	Zanatepec, MX	daily rain	0.8 mm (0.03 in)	0.8 mm (0.03 in)	32 years	12 of 100 (Routine)
22 February 2011	Zanatepec, MX	daily rain	0.3 mm (0.01 in)	0.3 mm (0.01 in)	32 years	12 of 100 (Routine)
19 November 2010	Zanatepec, MX	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	32 years	12 of 100 (Routine)
29 August 2010	Zanatepec, MX	daily rain	75.9 mm (3.0 in)	46.4 mm (1.8 in)	15 years	27 of 100 (Routine)
28 August 2010	Zanatepec, MX	daily rain	99.3 mm (3.9 in)	41.4 mm (1.6 in)	8 years	23 of 100 (Routine)
17 August 2010	Zanatepec, MX	daily rain	73.7 mm (2.9 in)	21.9 mm (0.9 in)	11 years	15 of 100 (Routine)
21 July 2010	Zanatepec, MX	daily rain	29.7 mm (1.2 in)	6.3 mm (0.25 in)	4 years	7 of 100 (Routine)
19 July 2010	Zanatepec, MX	daily rain	61.7 mm (2.4 in)	19.3 mm (0.8 in)	28 years	21 of 100 (Routine)
6 July 2010	Zanatepec, MX	daily rain (Tie)	47.8 mm (1.9 in)	tie	7 years	1 of 100 (Routine)
1 July 2010	Zanatepec, MX	daily rain	55.4 mm (2.2 in)	29.5 mm (1.2 in)	12 years	21 of 100 (Routine)
30 June 2010	Zanatepec, MX	daily rain	86.4 mm (3.4 in)	18.6 mm (0.7 in)	4 years	11 of 100 (Routine)
29 June 2010	Zanatepec, MX	monthly rain	251.5 mm (9.9 in)	83.1 mm (3.3 in)	2 years	48 of 100 (Notable)
18 June 2010	Zanatepec, MX	daily rain	140.5 mm (5.5 in)	102.1 mm (4.0 in)	21 years	49 of 100 (Notable)
11 May 2010	Zanatepec, MX	daily rain	27.4 mm (1.1 in)	12.4 mm (0.5 in)	13 years	11 of 100 (Routine)

Climate Trend

15 complete years, 1978 to 2007

One stripe for each of 15 complete years at Zanatepec, 1978 to 2007. Blue stripes are years cooler than the station's own mean of 27.5 C (81.5 F); red stripes are warmer. The coolest year was 2006, at 25.7 C (78.2 F), and the warmest was 1982, at 28.9 C (84.0 F). The strongest colour marks a difference of 1.9 C (3.4 F).

Annual mean temperature at Zanatepec as warming stripes, 1978 to 2007
Year	Annual mean temperature	Difference from the station mean
1978	28.4 C	+0.94 C
1979	28.3 C	+0.76 C
1980	28.5 C	+0.98 C
1981	28.2 C	+0.70 C
1982	28.9 C	+1.37 C
1983	28.5 C	+0.96 C
1984	27.3 C	-0.19 C
1986	27.4 C	-0.12 C
1987	28.0 C	+0.47 C
1991	27.4 C	-0.10 C
2001	26.3 C	-1.25 C
2002	26.9 C	-0.65 C
2005	25.9 C	-1.65 C
2006	25.7 C	-1.82 C
2007	27.1 C	-0.39 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1978 to 2011

Yearly extremes at Zanatepec: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1979	40.6 C (105.1 F)	29
Coldest night (TNn)	5.6 C (42.1 F)	2005	11.7 C (53.1 F)	29
Wettest day (Rx1day)	419.9 mm (16.5 in)	1980	118.6 mm (4.7 in)	34
Wettest five days (Rx5day)	738.7 mm (29.1 in)	1980	236.1 mm (9.3 in)	34
Longest dry spell (CDD)	151 days	2001	90 days	34

Hottest day (TXx)

The hottest day of the year at Zanatepec, 1978 to 2011. The record is 43.3 C (109.9 F) in 1979, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at Zanatepec by year
Year	Hottest day (TXx)
1978	42.2 C (108.0 F)
1979	43.3 C (109.9 F)
1980	43.3 C (109.9 F)
1981	41.7 C (107.1 F)
1982	42.2 C (108.0 F)
1983	42.8 C (109.0 F)
1984	41.7 C (107.1 F)
1985	41.7 C (107.1 F)
1986	40.0 C (104.0 F)
1987	41.7 C (107.1 F)
1988	42.8 C (109.0 F)
1989	40.0 C (104.0 F)
1990	40.0 C (104.0 F)
1991	40.6 C (105.1 F)
1992	38.9 C (102.0 F)
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	40.0 C (104.0 F)
1999	38.9 C (102.0 F)
2000	37.2 C (99.0 F)
2001	36.7 C (98.1 F)
2002	37.8 C (100.0 F)
2003	36.1 C (97.0 F)
2004	37.8 C (100.0 F)
2005	40.6 C (105.1 F)
2006	41.1 C (106.0 F)
2007	40.0 C (104.0 F)
2008	40.0 C (104.0 F)
2009	38.9 C (102.0 F)
2010	43.3 C (109.9 F)
2011	42.2 C (108.0 F)

Coldest night (TNn)

The coldest night of the year at Zanatepec, 1978 to 2011. The record is 5.6 C (42.1 F) in 2005, marked on the chart; the median year is 11.7 C (53.1 F).

Coldest night (TNn) at Zanatepec by year
Year	Coldest night (TNn)
1978	11.7 C (53.1 F)
1979	12.8 C (55.0 F)
1980	10.0 C (50.0 F)
1981	10.6 C (51.1 F)
1982	10.0 C (50.0 F)
1983	10.0 C (50.0 F)
1984	11.7 C (53.1 F)
1985	10.6 C (51.1 F)
1986	7.8 C (46.0 F)
1987	8.9 C (48.0 F)
1988	13.3 C (55.9 F)
1989	11.7 C (53.1 F)
1990	11.7 C (53.1 F)
1991	10.6 C (51.1 F)
1992	12.8 C (55.0 F)
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	12.8 C (55.0 F)
1999	12.2 C (54.0 F)
2000	11.7 C (53.1 F)
2001	13.9 C (57.0 F)
2002	12.2 C (54.0 F)
2003	12.8 C (55.0 F)
2004	10.0 C (50.0 F)
2005	5.6 C (42.1 F)
2006	7.2 C (45.0 F)
2007	12.8 C (55.0 F)
2008	11.7 C (53.1 F)
2009	15.6 C (60.1 F)
2010	11.1 C (52.0 F)
2011	10.0 C (50.0 F)

Wettest day (Rx1day)

The wettest day of the year at Zanatepec, 1978 to 2011. The record is 419.9 mm (16.5 in) in 1980, marked on the chart; the median year is 118.6 mm (4.7 in).

Wettest day (Rx1day) at Zanatepec by year
Year	Wettest day (Rx1day)
1978	222.0 mm (8.7 in)
1979	191.3 mm (7.5 in)
1980	419.9 mm (16.5 in)
1981	245.9 mm (9.7 in)
1982	87.4 mm (3.4 in)
1983	103.4 mm (4.1 in)
1984	313.4 mm (12.3 in)
1985	78.0 mm (3.1 in)
1986	233.4 mm (9.2 in)
1987	62.5 mm (2.5 in)
1988	266.2 mm (10.5 in)
1989	89.4 mm (3.5 in)
1990	65.8 mm (2.6 in)
1991	117.3 mm (4.6 in)
1992	119.9 mm (4.7 in)
1993	129.3 mm (5.1 in)
1994	59.9 mm (2.4 in)
1995	149.9 mm (5.9 in)
1996	144.8 mm (5.7 in)
1997	95.0 mm (3.7 in)
1998	93.0 mm (3.7 in)
1999	70.9 mm (2.8 in)
2000	79.8 mm (3.1 in)
2001	62.5 mm (2.5 in)
2002	93.5 mm (3.7 in)
2003	143.8 mm (5.7 in)
2004	88.9 mm (3.5 in)
2005	126.0 mm (5.0 in)
2006	86.4 mm (3.4 in)
2007	130.8 mm (5.1 in)
2008	178.6 mm (7.0 in)
2009	87.4 mm (3.4 in)
2010	251.5 mm (9.9 in)
2011	126.7 mm (5.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Zanatepec, 1978 to 2011. The record is 738.7 mm (29.1 in) in 1980, marked on the chart; the median year is 236.1 mm (9.3 in).

Wettest five days (Rx5day) at Zanatepec by year
Year	Wettest five days (Rx5day)
1978	248.4 mm (9.8 in)
1979	382.1 mm (15.0 in)
1980	738.7 mm (29.1 in)
1981	487.0 mm (19.2 in)
1982	165.3 mm (6.5 in)
1983	135.8 mm (5.3 in)
1984	407.2 mm (16.0 in)
1985	155.2 mm (6.1 in)
1986	360.2 mm (14.2 in)
1987	129.9 mm (5.1 in)
1988	447.9 mm (17.6 in)
1989	281.2 mm (11.1 in)
1990	156.3 mm (6.2 in)
1991	211.9 mm (8.3 in)
1992	177.8 mm (7.0 in)
1993	243.3 mm (9.6 in)
1994	79.7 mm (3.1 in)
1995	268.0 mm (10.6 in)
1996	271.0 mm (10.7 in)
1997	173.0 mm (6.8 in)
1998	211.9 mm (8.3 in)
1999	259.1 mm (10.2 in)
2000	191.4 mm (7.5 in)
2001	173.3 mm (6.8 in)
2002	246.4 mm (9.7 in)
2003	213.4 mm (8.4 in)
2004	120.6 mm (4.7 in)
2005	385.1 mm (15.2 in)
2006	148.4 mm (5.8 in)
2007	228.9 mm (9.0 in)
2008	256.6 mm (10.1 in)
2009	182.4 mm (7.2 in)
2010	401.2 mm (15.8 in)
2011	268.5 mm (10.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Zanatepec, 1978 to 2011. The record is 151 days in 2001, marked on the chart; the median year is 90 days.

Longest dry spell (CDD) at Zanatepec by year
Year	Longest dry spell (CDD)
1978	52 days
1979	105 days
1980	90 days
1981	116 days
1982	97 days
1983	65 days
1984	125 days
1985	59 days
1986	109 days
1987	96 days
1988	112 days
1989	59 days
1990	31 days
1991	68 days
1992	39 days
1993	62 days
1994	103 days
1995	76 days
1996	113 days
1997	109 days
1998	113 days
1999	88 days
2000	53 days
2001	151 days
2002	101 days
2003	75 days
2004	66 days
2005	89 days
2006	90 days
2007	88 days
2008	151 days
2009	29 days
2010	93 days
2011	85 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Zanatepec standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Zanatepec threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).