Ahuacuotzingo Weather Records (MXN00012206)

Record envelope, standing records and threshold days for Ahuacuotzingo (MXN00012206), Mexico, with 33 years of record.

Key Facts for Ahuacuotzingo

Ahuacuotzingo (MXN00012206) is a weather station in Mexico at 17.72 latitude and -98.97 longitude, 1,300 m (4,265 ft) above sea level.
The station reports from 1980 to 2012, 33 years of record.
1,464 records set at Ahuacuotzingo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.72 latitude, -98.97 longitude.
Elevation: 1,300 m (4,265 ft).
Period of record: 1980 to 2012, 33 years.
Eligible elements: none yet.

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 Ahuacuotzingo. 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 Ahuacuotzingo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.6 C (96.1 F)	5.0 C (41.0 F)	n/a	n/a
Feb	35.0 C (95.0 F)	7.8 C (46.0 F)	n/a	n/a
Mar	37.8 C (100.0 F)	9.4 C (48.9 F)	n/a	n/a
Apr	39.4 C (102.9 F)	10.0 C (50.0 F)	n/a	n/a
May	38.9 C (102.0 F)	10.0 C (50.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	10.0 C (50.0 F)	n/a	n/a
Jul	37.8 C (100.0 F)	10.6 C (51.1 F)	n/a	n/a
Aug	38.9 C (102.0 F)	7.2 C (45.0 F)	n/a	n/a
Sep	36.7 C (98.1 F)	6.7 C (44.1 F)	n/a	n/a
Oct	36.7 C (98.1 F)	5.0 C (41.0 F)	n/a	n/a
Nov	36.7 C (98.1 F)	7.2 C (45.0 F)	n/a	n/a
Dec	35.6 C (96.1 F)	7.8 C (46.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ahuacuotzingo still stand. 2012 holds the most, with 253.

Standing records at Ahuacuotzingo by the year they were set
Year set	Standing records
1980	26
1981	41
1982	17
1983	15
1984	34
1985	17
1986	77
1987	15
1988	30
1989	8
1990	17
1991	68
1992	19
1993	62
1996	36
1997	89
1998	21
2000	15
2001	31
2002	34
2003	13
2004	5
2005	12
2006	51
2007	26
2008	37
2009	47
2010	247
2011	101
2012	253

Wettest Day of Each Month

Apr: 89.9 mm (3.5 in)

The wettest day on record for each calendar month at Ahuacuotzingo. The most was 89.9 mm (3.5 in) on 4 April 1989.

Record daily precipitation for each month at Ahuacuotzingo
Month	Record daily precipitation (mm)	Date
Jan	24.4 mm (1.0 in)	29 January 1992
Feb	26.7 mm (1.1 in)	1 February 1992
Mar	19.8 mm (0.8 in)	19 March 1997
Apr	89.9 mm (3.5 in)	4 April 1989
May	63.0 mm (2.5 in)	21 May 1987
Jun	44.5 mm (1.8 in)	27 June 1980
Jul	46.5 mm (1.8 in)	3 July 1988
Aug	64.3 mm (2.5 in)	3 August 1991
Sep	64.8 mm (2.6 in)	2 September 1991
Oct	39.9 mm (1.6 in)	8 October 1996
Nov	25.4 mm (1.0 in)	16 November 2006
Dec	19.8 mm (0.8 in)	17 December 1997

Period of Record Coverage

1980 to 2012

30 years of record at Ahuacuotzingo, 1980 to 2012. 11 years have data for under 90 percent of days and are left out of rankings: 1980, 1984, 1986, 1998, 2000, 2001, 2002, 2003 and others.

Days with data per year at Ahuacuotzingo
Year	Days with data	Share of year	Complete
1980	262	72%	No
1981	365	100%	Yes
1982	363	99%	Yes
1983	365	100%	Yes
1984	305	83%	No
1985	331	91%	Yes
1986	304	83%	No
1987	365	100%	Yes
1988	366	100%	Yes
1989	334	92%	Yes
1990	365	100%	Yes
1991	361	99%	Yes
1992	350	96%	Yes
1993	365	100%	Yes
1996	336	92%	Yes
1997	364	100%	Yes
1998	120	33%	No
2000	68	19%	No
2001	191	52%	No
2002	203	56%	No
2003	263	72%	No
2004	254	69%	No
2005	229	63%	No
2006	365	100%	Yes
2007	362	99%	Yes
2008	366	100%	Yes
2009	355	97%	Yes
2010	365	100%	Yes
2011	329	90%	Yes
2012	237	65%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

13 complete years, 1981 to 2010

One stripe for each of 13 complete years at Ahuacuotzingo, 1981 to 2010. Blue stripes are years cooler than the station's own mean of 22.6 C (72.7 F); red stripes are warmer. The coolest year was 1981, at 21.0 C (69.8 F), and the warmest was 2010, at 26.0 C (78.8 F). The strongest colour marks a difference of 3.4 C (6.1 F).

Annual mean temperature at Ahuacuotzingo as warming stripes, 1981 to 2010
Year	Annual mean temperature	Difference from the station mean
1981	21.0 C	-1.65 C
1982	22.3 C	-0.39 C
1983	21.5 C	-1.16 C
1988	21.5 C	-1.17 C
1990	21.3 C	-1.30 C
1991	22.2 C	-0.47 C
1993	21.0 C	-1.65 C
1997	21.8 C	-0.85 C
2006	23.8 C	+1.14 C
2007	23.8 C	+1.18 C
2008	24.0 C	+1.39 C
2009	24.2 C	+1.54 C
2010	26.0 C	+3.34 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

1980 to 2012

Yearly extremes at Ahuacuotzingo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1987	35.3 C (95.5 F)	30
Coldest night (TNn)	5.0 C (41.0 F)	1986	8.9 C (48.0 F)	30
Wettest day (Rx1day)	89.9 mm (3.5 in)	1989	37.1 mm (1.5 in)	32
Wettest five days (Rx5day)	176.0 mm (6.9 in)	2008	87.4 mm (3.4 in)	32
Longest dry spell (CDD)	170 days	2011	93 days	32

Hottest day (TXx)

The hottest day of the year at Ahuacuotzingo, 1980 to 2012. The record is 39.4 C (102.9 F) in 1987, marked on the chart; the median year is 35.3 C (95.5 F).

Hottest day (TXx) at Ahuacuotzingo by year
Year	Hottest day (TXx)
1980	29.4 C (84.9 F)
1981	33.3 C (91.9 F)
1982	33.9 C (93.0 F)
1983	35.0 C (95.0 F)
1984	33.9 C (93.0 F)
1985	34.4 C (93.9 F)
1986	38.9 C (102.0 F)
1987	39.4 C (102.9 F)
1988	35.6 C (96.1 F)
1989	35.0 C (95.0 F)
1990	35.6 C (96.1 F)
1991	37.8 C (100.0 F)
1992	32.8 C (91.0 F)
1993	36.1 C (97.0 F)
1994	n/a
1995	n/a
1996	36.1 C (97.0 F)
1997	37.8 C (100.0 F)
1998	38.9 C (102.0 F)
2000	38.3 C (100.9 F)
2001	37.8 C (100.0 F)
2002	37.8 C (100.0 F)
2003	35.6 C (96.1 F)
2004	31.7 C (89.1 F)
2005	32.8 C (91.0 F)
2006	35.0 C (95.0 F)
2007	35.0 C (95.0 F)
2008	33.9 C (93.0 F)
2009	35.0 C (95.0 F)
2010	38.9 C (102.0 F)
2011	36.7 C (98.1 F)
2012	25.0 C (77.0 F)

Coldest night (TNn)

The coldest night of the year at Ahuacuotzingo, 1980 to 2012. The record is 5.0 C (41.0 F) in 1986, marked on the chart; the median year is 8.9 C (48.0 F).

Coldest night (TNn) at Ahuacuotzingo by year
Year	Coldest night (TNn)
1980	7.8 C (46.0 F)
1981	6.7 C (44.1 F)
1982	7.8 C (46.0 F)
1983	7.2 C (45.0 F)
1984	7.2 C (45.0 F)
1985	10.0 C (50.0 F)
1986	5.0 C (41.0 F)
1987	7.2 C (45.0 F)
1988	5.0 C (41.0 F)
1989	10.0 C (50.0 F)
1990	8.9 C (48.0 F)
1991	10.0 C (50.0 F)
1992	8.9 C (48.0 F)
1993	7.8 C (46.0 F)
1994	n/a
1995	n/a
1996	8.9 C (48.0 F)
1997	6.7 C (44.1 F)
1998	7.8 C (46.0 F)
2000	13.9 C (57.0 F)
2001	10.0 C (50.0 F)
2002	8.3 C (46.9 F)
2003	8.9 C (48.0 F)
2004	8.9 C (48.0 F)
2005	13.9 C (57.0 F)
2006	11.7 C (53.1 F)
2007	10.6 C (51.1 F)
2008	10.6 C (51.1 F)
2009	7.8 C (46.0 F)
2010	15.6 C (60.1 F)
2011	10.6 C (51.1 F)
2012	10.0 C (50.0 F)

Wettest day (Rx1day)

The wettest day of the year at Ahuacuotzingo, 1980 to 2012. The record is 89.9 mm (3.5 in) in 1989, marked on the chart; the median year is 37.1 mm (1.5 in).

Wettest day (Rx1day) at Ahuacuotzingo by year
Year	Wettest day (Rx1day)
1980	50.8 mm (2.0 in)
1981	46.0 mm (1.8 in)
1982	31.5 mm (1.2 in)
1983	44.7 mm (1.8 in)
1984	45.2 mm (1.8 in)
1985	42.7 mm (1.7 in)
1986	39.9 mm (1.6 in)
1987	63.0 mm (2.5 in)
1988	48.5 mm (1.9 in)
1989	89.9 mm (3.5 in)
1990	34.8 mm (1.4 in)
1991	64.8 mm (2.6 in)
1992	26.7 mm (1.1 in)
1993	22.1 mm (0.9 in)
1994	46.7 mm (1.8 in)
1995	0.0 mm (0.00 in)
1996	63.0 mm (2.5 in)
1997	49.0 mm (1.9 in)
1998	0.0 mm (0.00 in)
2000	24.9 mm (1.0 in)
2001	19.8 mm (0.8 in)
2002	26.7 mm (1.1 in)
2003	0.0 mm (0.00 in)
2004	40.1 mm (1.6 in)
2005	17.8 mm (0.7 in)
2006	30.0 mm (1.2 in)
2007	34.8 mm (1.4 in)
2008	40.4 mm (1.6 in)
2009	39.4 mm (1.6 in)
2010	19.8 mm (0.8 in)
2011	15.0 mm (0.6 in)
2012	22.4 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ahuacuotzingo, 1980 to 2012. The record is 176.0 mm (6.9 in) in 2008, marked on the chart; the median year is 87.4 mm (3.4 in).

Wettest five days (Rx5day) at Ahuacuotzingo by year
Year	Wettest five days (Rx5day)
1980	115.9 mm (4.6 in)
1981	87.9 mm (3.5 in)
1982	55.3 mm (2.2 in)
1983	126.4 mm (5.0 in)
1984	97.3 mm (3.8 in)
1985	75.3 mm (3.0 in)
1986	68.4 mm (2.7 in)
1987	88.7 mm (3.5 in)
1988	110.6 mm (4.4 in)
1989	89.9 mm (3.5 in)
1990	95.7 mm (3.8 in)
1991	115.9 mm (4.6 in)
1992	91.7 mm (3.6 in)
1993	91.2 mm (3.6 in)
1994	100.6 mm (4.0 in)
1995	0.0 mm (0.00 in)
1996	86.4 mm (3.4 in)
1997	93.5 mm (3.7 in)
1998	0.0 mm (0.00 in)
2000	64.5 mm (2.5 in)
2001	38.6 mm (1.5 in)
2002	81.1 mm (3.2 in)
2003	0.0 mm (0.00 in)
2004	92.9 mm (3.7 in)
2005	70.2 mm (2.8 in)
2006	79.0 mm (3.1 in)
2007	86.8 mm (3.4 in)
2008	176.0 mm (6.9 in)
2009	116.7 mm (4.6 in)
2010	36.6 mm (1.4 in)
2011	42.1 mm (1.7 in)
2012	77.3 mm (3.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ahuacuotzingo, 1980 to 2012. The record is 170 days in 2011, marked on the chart; the median year is 93 days.

Longest dry spell (CDD) at Ahuacuotzingo by year
Year	Longest dry spell (CDD)
1980	32 days
1981	66 days
1982	73 days
1983	75 days
1984	91 days
1985	81 days
1986	59 days
1987	93 days
1988	147 days
1989	93 days
1990	154 days
1991	125 days
1992	104 days
1993	151 days
1994	153 days
1995	151 days
1996	77 days
1997	77 days
1998	120 days
2000	10 days
2001	49 days
2002	107 days
2003	151 days
2004	68 days
2005	104 days
2006	80 days
2007	91 days
2008	107 days
2009	134 days
2010	101 days
2011	170 days
2012	59 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 Ahuacuotzingo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ahuacuotzingo 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).