San Agustin Zapotlan Weather Records (MXN00013129)

Record envelope, standing records and threshold days for San Agustin Zapotlan (MXN00013129), Mexico, with 32 years of record.

Key Facts for San Agustin Zapotlan

San Agustin Zapotlan (MXN00013129) is a weather station in Mexico at 19.87 latitude and -98.72 longitude, 2,370 m (7,775 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at San Agustin Zapotlan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.87 latitude, -98.72 longitude.
Elevation: 2,370 m (7,775 ft).
Period of record: 1981 to 2012, 32 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 San Agustin Zapotlan. 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 San Agustin Zapotlan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-11.1 C (12.0 F)	n/a	n/a
Feb	31.7 C (89.1 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	33.9 C (93.0 F)	-7.2 C (19.0 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-3.9 C (25.0 F)	n/a	n/a
May	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
Jul	30.0 C (86.0 F)	0.6 C (33.1 F)	n/a	n/a
Aug	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	30.0 C (86.0 F)	-3.3 C (26.1 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-7.2 C (19.0 F)	n/a	n/a
Nov	29.4 C (84.9 F)	-8.3 C (17.1 F)	n/a	n/a
Dec	31.1 C (88.0 F)	-9.4 C (15.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Agustin Zapotlan still stand. 1981 holds the most, with 112.

Standing records at San Agustin Zapotlan by the year they were set
Year set	Standing records
1981	112
1982	63
1983	45
1984	59
1985	50
1986	72
1987	95
1988	58
1991	59
1992	75
1993	41
1994	46
1995	45
1996	42
1997	94
1998	101
2000	7
2005	63
2006	49
2007	42
2008	37
2009	71
2010	37
2011	58
2012	43

Wettest Day of Each Month

Jun: 72.9 mm (2.9 in)

The wettest day on record for each calendar month at San Agustin Zapotlan. The most was 72.9 mm (2.9 in) on 17 June 2007.

Record daily precipitation for each month at San Agustin Zapotlan
Month	Record daily precipitation (mm)	Date
Jan	21.3 mm (0.8 in)	17 January 1981
Feb	26.4 mm (1.0 in)	16 February 2010
Mar	26.4 mm (1.0 in)	24 March 2006
Apr	36.8 mm (1.4 in)	1 April 2007
May	43.4 mm (1.7 in)	18 May 1984
Jun	72.9 mm (2.9 in)	17 June 2007
Jul	52.8 mm (2.1 in)	6 July 1981
Aug	71.9 mm (2.8 in)	22 August 2007
Sep	36.3 mm (1.4 in)	2 September 1988
Oct	37.3 mm (1.5 in)	3 October 1998
Nov	47.5 mm (1.9 in)	18 November 2007
Dec	8.4 mm (0.33 in)	3 December 1984

Period of Record Coverage

1981 to 2012

25 years of record at San Agustin Zapotlan, 1981 to 2012. 5 years have data for under 90 percent of days and are left out of rankings: 1983, 2000, 2006, 2010, 2012.

Days with data per year at San Agustin Zapotlan
Year	Days with data	Share of year	Complete
1981	365	100%	Yes
1982	334	92%	Yes
1983	242	66%	No
1984	366	100%	Yes
1985	365	100%	Yes
1986	364	100%	Yes
1987	365	100%	Yes
1988	365	100%	Yes
1991	365	100%	Yes
1992	365	100%	Yes
1993	364	100%	Yes
1994	365	100%	Yes
1995	364	100%	Yes
1996	365	100%	Yes
1997	365	100%	Yes
1998	335	92%	Yes
2000	89	24%	No
2005	365	100%	Yes
2006	243	67%	No
2007	362	99%	Yes
2008	330	90%	Yes
2009	361	99%	Yes
2010	272	75%	No
2011	362	99%	Yes
2012	305	83%	No

Latest Records

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

Climate Trend

17 complete years, 1981 to 2011

One stripe for each of 17 complete years at San Agustin Zapotlan, 1981 to 2011. Blue stripes are years cooler than the station's own mean of 14.1 C (57.3 F); red stripes are warmer. The coolest year was 1996, at 13.6 C (56.5 F), and the warmest was 2005, at 14.9 C (58.9 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at San Agustin Zapotlan as warming stripes, 1981 to 2011
Year	Annual mean temperature	Difference from the station mean
1981	13.9 C	-0.11 C
1984	13.6 C	-0.41 C
1985	13.7 C	-0.37 C
1986	13.7 C	-0.39 C
1987	13.9 C	-0.17 C
1988	14.0 C	-0.08 C
1991	14.2 C	+0.17 C
1992	13.7 C	-0.35 C
1993	13.9 C	-0.20 C
1994	14.1 C	+0.07 C
1995	14.4 C	+0.35 C
1996	13.6 C	-0.42 C
1997	13.9 C	-0.15 C
2005	14.9 C	+0.89 C
2007	14.4 C	+0.36 C
2009	14.6 C	+0.51 C
2011	14.4 C	+0.32 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

1981 to 2012

Yearly extremes at San Agustin Zapotlan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1998	31.7 C (89.1 F)	25
Coldest night (TNn)	-11.1 C (12.0 F)	1986	-7.2 C (19.0 F)	25
Wettest day (Rx1day)	72.9 mm (2.9 in)	2007	32.3 mm (1.3 in)	25
Wettest five days (Rx5day)	101.1 mm (4.0 in)	2007	62.8 mm (2.5 in)	25
Longest dry spell (CDD)	83 days	1988	55 days	25

Hottest day (TXx)

The hottest day of the year at San Agustin Zapotlan, 1981 to 2012. The record is 35.6 C (96.1 F) in 1998, marked on the chart; the median year is 31.7 C (89.1 F).

Hottest day (TXx) at San Agustin Zapotlan by year
Year	Hottest day (TXx)
1981	31.7 C (89.1 F)
1982	31.7 C (89.1 F)
1983	32.8 C (91.0 F)
1984	32.8 C (91.0 F)
1985	31.1 C (88.0 F)
1986	31.7 C (89.1 F)
1987	31.1 C (88.0 F)
1988	32.8 C (91.0 F)
1991	32.8 C (91.0 F)
1992	30.0 C (86.0 F)
1993	30.6 C (87.1 F)
1994	32.2 C (90.0 F)
1995	31.7 C (89.1 F)
1996	32.8 C (91.0 F)
1997	31.1 C (88.0 F)
1998	35.6 C (96.1 F)
2000	30.6 C (87.1 F)
2005	33.3 C (91.9 F)
2006	31.7 C (89.1 F)
2007	30.6 C (87.1 F)
2008	32.8 C (91.0 F)
2009	32.2 C (90.0 F)
2010	31.1 C (88.0 F)
2011	31.7 C (89.1 F)
2012	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at San Agustin Zapotlan, 1981 to 2012. The record is -11.1 C (12.0 F) in 1986, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at San Agustin Zapotlan by year
Year	Coldest night (TNn)
1981	-6.7 C (19.9 F)
1982	-8.3 C (17.1 F)
1983	-6.7 C (19.9 F)
1984	-6.1 C (21.0 F)
1985	-5.6 C (21.9 F)
1986	-11.1 C (12.0 F)
1987	-8.3 C (17.1 F)
1988	-10.0 C (14.0 F)
1991	-6.1 C (21.0 F)
1992	-8.3 C (17.1 F)
1993	-7.2 C (19.0 F)
1994	-9.4 C (15.1 F)
1995	-6.1 C (21.0 F)
1996	-8.9 C (16.0 F)
1997	-9.4 C (15.1 F)
1998	-6.7 C (19.9 F)
2000	-7.2 C (19.0 F)
2005	-6.1 C (21.0 F)
2006	-9.4 C (15.1 F)
2007	-7.2 C (19.0 F)
2008	-7.2 C (19.0 F)
2009	-6.1 C (21.0 F)
2010	-4.4 C (24.1 F)
2011	-8.3 C (17.1 F)
2012	-4.4 C (24.1 F)

Wettest day (Rx1day)

The wettest day of the year at San Agustin Zapotlan, 1981 to 2012. The record is 72.9 mm (2.9 in) in 2007, marked on the chart; the median year is 32.3 mm (1.3 in).

Wettest day (Rx1day) at San Agustin Zapotlan by year
Year	Wettest day (Rx1day)
1981	52.8 mm (2.1 in)
1982	26.2 mm (1.0 in)
1983	33.8 mm (1.3 in)
1984	43.4 mm (1.7 in)
1985	31.5 mm (1.2 in)
1986	51.8 mm (2.0 in)
1987	25.4 mm (1.0 in)
1988	36.3 mm (1.4 in)
1991	32.3 mm (1.3 in)
1992	31.5 mm (1.2 in)
1993	26.2 mm (1.0 in)
1994	30.0 mm (1.2 in)
1995	33.8 mm (1.3 in)
1996	24.9 mm (1.0 in)
1997	31.8 mm (1.3 in)
1998	51.8 mm (2.0 in)
2000	2.8 mm (0.11 in)
2005	21.6 mm (0.9 in)
2006	38.9 mm (1.5 in)
2007	72.9 mm (2.9 in)
2008	48.3 mm (1.9 in)
2009	35.1 mm (1.4 in)
2010	40.4 mm (1.6 in)
2011	30.0 mm (1.2 in)
2012	31.8 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Agustin Zapotlan, 1981 to 2012. The record is 101.1 mm (4.0 in) in 2007, marked on the chart; the median year is 62.8 mm (2.5 in).

Wettest five days (Rx5day) at San Agustin Zapotlan by year
Year	Wettest five days (Rx5day)
1981	60.3 mm (2.4 in)
1982	72.5 mm (2.9 in)
1983	51.9 mm (2.0 in)
1984	62.8 mm (2.5 in)
1985	65.4 mm (2.6 in)
1986	66.3 mm (2.6 in)
1987	52.9 mm (2.1 in)
1988	65.5 mm (2.6 in)
1991	71.9 mm (2.8 in)
1992	65.5 mm (2.6 in)
1993	56.4 mm (2.2 in)
1994	58.2 mm (2.3 in)
1995	50.1 mm (2.0 in)
1996	43.9 mm (1.7 in)
1997	51.3 mm (2.0 in)
1998	63.8 mm (2.5 in)
2000	4.1 mm (0.16 in)
2005	58.2 mm (2.3 in)
2006	62.5 mm (2.5 in)
2007	101.1 mm (4.0 in)
2008	78.6 mm (3.1 in)
2009	87.2 mm (3.4 in)
2010	98.5 mm (3.9 in)
2011	64.3 mm (2.5 in)
2012	60.0 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Agustin Zapotlan, 1981 to 2012. The record is 83 days in 1988, marked on the chart; the median year is 55 days.

Longest dry spell (CDD) at San Agustin Zapotlan by year
Year	Longest dry spell (CDD)
1981	52 days
1982	58 days
1983	31 days
1984	50 days
1985	75 days
1986	53 days
1987	52 days
1988	83 days
1991	56 days
1992	30 days
1993	46 days
1994	62 days
1995	30 days
1996	64 days
1997	65 days
1998	58 days
2000	55 days
2005	42 days
2006	56 days
2007	28 days
2008	74 days
2009	62 days
2010	49 days
2011	56 days
2012	32 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 San Agustin Zapotlan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Agustin Zapotlan 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 2026-10-15 (15 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).