Tonahuixtla Weather Records (MXN00021176)

Record envelope, standing records and threshold days for Tonahuixtla (MXN00021176), Mexico, with 31 years of record.

Key Facts for Tonahuixtla

Tonahuixtla (MXN00021176) is a weather station in Mexico at 18.18 latitude and -97.92 longitude, 1,441 m (4,727 ft) above sea level.
The station reports from 1979 to 2009, 31 years of record.
1,464 records set at Tonahuixtla still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.18 latitude, -97.92 longitude.
Elevation: 1,441 m (4,727 ft).
Period of record: 1979 to 2009, 31 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 Tonahuixtla. 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 Tonahuixtla, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.6 C (87.1 F)	3.9 C (39.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	3.9 C (39.0 F)	n/a	n/a
Mar	36.7 C (98.1 F)	5.0 C (41.0 F)	n/a	n/a
Apr	37.2 C (99.0 F)	7.8 C (46.0 F)	n/a	n/a
May	37.8 C (100.0 F)	10.6 C (51.1 F)	n/a	n/a
Jun	37.8 C (100.0 F)	10.0 C (50.0 F)	n/a	n/a
Jul	35.0 C (95.0 F)	10.6 C (51.1 F)	n/a	n/a
Aug	35.6 C (96.1 F)	10.0 C (50.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	10.0 C (50.0 F)	n/a	n/a
Oct	35.0 C (95.0 F)	6.7 C (44.1 F)	n/a	n/a
Nov	32.2 C (90.0 F)	5.6 C (42.1 F)	n/a	n/a
Dec	30.6 C (87.1 F)	3.9 C (39.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tonahuixtla still stand. 1980 holds the most, with 155.

Standing records at Tonahuixtla by the year they were set
Year set	Standing records
1980	155
1981	95
1982	93
1983	80
1984	38
1985	8
1986	36
1987	130
1988	32
1989	45
1990	22
1991	63
1992	22
1993	18
1994	17
1995	16
1996	50
1997	57
1998	79
1999	43
2000	60
2001	77
2007	64
2008	84
2009	80

Wettest Day of Each Month

Sep: 85.9 mm (3.4 in)

The wettest day on record for each calendar month at Tonahuixtla. The most was 85.9 mm (3.4 in) on 3 September 2008.

Record daily precipitation for each month at Tonahuixtla
Month	Record daily precipitation (mm)	Date
Jan	25.4 mm (1.0 in)	11 January 1984
Feb	39.4 mm (1.6 in)	11 February 1983
Mar	19.3 mm (0.8 in)	13 March 1983
Apr	19.8 mm (0.8 in)	29 April 2008
May	35.8 mm (1.4 in)	14 May 2009
Jun	67.8 mm (2.7 in)	8 June 1987
Jul	55.9 mm (2.2 in)	23 July 2001
Aug	62.0 mm (2.4 in)	26 August 2001
Sep	85.9 mm (3.4 in)	3 September 2008
Oct	53.8 mm (2.1 in)	14 October 2000
Nov	25.4 mm (1.0 in)	8 November 1983
Dec	19.8 mm (0.8 in)	26 December 2001

Period of Record Coverage

1980 to 2009

25 years of record at Tonahuixtla, 1980 to 2009. 12 years have data for under 90 percent of days and are left out of rankings: 1980, 1985, 1986, 1988, 1989, 1990, 1992, 1994 and others.

Days with data per year at Tonahuixtla
Year	Days with data	Share of year	Complete
1980	322	88%	No
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	243	67%	No
1986	242	66%	No
1987	334	92%	Yes
1988	175	48%	No
1989	272	75%	No
1990	120	33%	No
1991	355	97%	Yes
1992	322	88%	No
1993	365	100%	Yes
1994	273	75%	No
1995	61	17%	No
1996	243	66%	No
1997	365	100%	Yes
1998	328	90%	No
1999	353	97%	Yes
2000	323	88%	No
2001	356	98%	Yes
2007	359	98%	Yes
2008	364	99%	Yes
2009	361	99%	Yes

Latest Records

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

Climate Trend

12 complete years, 1981 to 2009

One stripe for each of 12 complete years at Tonahuixtla, 1981 to 2009. Blue stripes are years cooler than the station's own mean of 21.2 C (70.2 F); red stripes are warmer. The coolest year was 2008, at 19.6 C (67.3 F), and the warmest was 1982, at 22.9 C (73.2 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Tonahuixtla as warming stripes, 1981 to 2009
Year	Annual mean temperature	Difference from the station mean
1981	22.3 C	+1.04 C
1982	22.9 C	+1.66 C
1983	22.3 C	+1.09 C
1984	21.7 C	+0.45 C
1991	22.4 C	+1.22 C
1993	21.8 C	+0.58 C
1997	22.0 C	+0.76 C
1999	20.3 C	-0.94 C
2001	19.7 C	-1.51 C
2007	20.0 C	-1.19 C
2008	19.6 C	-1.63 C
2009	19.7 C	-1.51 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

1979 to 2009

Yearly extremes at Tonahuixtla: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	1983	35.6 C (96.1 F)	25
Coldest night (TNn)	3.9 C (39.0 F)	1998	5.6 C (42.1 F)	25
Wettest day (Rx1day)	85.9 mm (3.4 in)	2008	35.3 mm (1.4 in)	25
Wettest five days (Rx5day)	173.5 mm (6.8 in)	2001	69.4 mm (2.7 in)	25
Longest dry spell (CDD)	365 days	1993	119 days	25

Hottest day (TXx)

The hottest day of the year at Tonahuixtla, 1979 to 2009. The record is 37.8 C (100.0 F) in 1983, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at Tonahuixtla by year
Year	Hottest day (TXx)
1979	n/a
1980	36.7 C (98.1 F)
1981	37.2 C (99.0 F)
1982	36.7 C (98.1 F)
1983	37.8 C (100.0 F)
1984	36.1 C (97.0 F)
1985	35.0 C (95.0 F)
1986	35.6 C (96.1 F)
1987	35.6 C (96.1 F)
1988	35.6 C (96.1 F)
1989	36.7 C (98.1 F)
1990	35.6 C (96.1 F)
1991	36.7 C (98.1 F)
1992	35.0 C (95.0 F)
1993	35.6 C (96.1 F)
1994	35.6 C (96.1 F)
1995	31.7 C (89.1 F)
1996	36.7 C (98.1 F)
1997	35.6 C (96.1 F)
1998	37.8 C (100.0 F)
1999	33.9 C (93.0 F)
2000	33.9 C (93.0 F)
2001	33.9 C (93.0 F)
2007	33.9 C (93.0 F)
2008	35.6 C (96.1 F)
2009	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Tonahuixtla, 1979 to 2009. The record is 3.9 C (39.0 F) in 1998, marked on the chart; the median year is 5.6 C (42.1 F).

Coldest night (TNn) at Tonahuixtla by year
Year	Coldest night (TNn)
1979	n/a
1980	6.7 C (44.1 F)
1981	7.2 C (45.0 F)
1982	5.6 C (42.1 F)
1983	5.0 C (41.0 F)
1984	5.0 C (41.0 F)
1985	8.9 C (48.0 F)
1986	7.2 C (45.0 F)
1987	5.0 C (41.0 F)
1988	5.0 C (41.0 F)
1989	5.6 C (42.1 F)
1990	8.9 C (48.0 F)
1991	7.2 C (45.0 F)
1992	6.7 C (44.1 F)
1993	6.7 C (44.1 F)
1994	10.6 C (51.1 F)
1995	6.7 C (44.1 F)
1996	5.0 C (41.0 F)
1997	6.7 C (44.1 F)
1998	3.9 C (39.0 F)
1999	5.6 C (42.1 F)
2000	5.0 C (41.0 F)
2001	5.6 C (42.1 F)
2007	3.9 C (39.0 F)
2008	5.0 C (41.0 F)
2009	5.0 C (41.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tonahuixtla, 1979 to 2009. The record is 85.9 mm (3.4 in) in 2008, marked on the chart; the median year is 35.3 mm (1.4 in).

Wettest day (Rx1day) at Tonahuixtla by year
Year	Wettest day (Rx1day)
1979	32.8 mm (1.3 in)
1980	20.6 mm (0.8 in)
1981	16.3 mm (0.6 in)
1982	39.1 mm (1.5 in)
1983	39.4 mm (1.6 in)
1984	35.3 mm (1.4 in)
1985	35.3 mm (1.4 in)
1986	40.9 mm (1.6 in)
1987	67.8 mm (2.7 in)
1988	0.0 mm (0.00 in)
1989	0.0 mm (0.00 in)
1990	0.0 mm (0.00 in)
1991	0.0 mm (0.00 in)
1992	0.0 mm (0.00 in)
1993	0.0 mm (0.00 in)
1994	33.8 mm (1.3 in)
1995	0.0 mm (0.00 in)
1996	17.3 mm (0.7 in)
1997	n/a
1998	39.9 mm (1.6 in)
1999	59.9 mm (2.4 in)
2000	53.8 mm (2.1 in)
2001	62.0 mm (2.4 in)
2007	45.0 mm (1.8 in)
2008	85.9 mm (3.4 in)
2009	52.8 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tonahuixtla, 1979 to 2009. The record is 173.5 mm (6.8 in) in 2001, marked on the chart; the median year is 69.4 mm (2.7 in).

Wettest five days (Rx5day) at Tonahuixtla by year
Year	Wettest five days (Rx5day)
1979	84.2 mm (3.3 in)
1980	42.7 mm (1.7 in)
1981	43.0 mm (1.7 in)
1982	66.6 mm (2.6 in)
1983	74.7 mm (2.9 in)
1984	88.6 mm (3.5 in)
1985	83.3 mm (3.3 in)
1986	78.2 mm (3.1 in)
1987	105.4 mm (4.1 in)
1988	0.0 mm (0.00 in)
1989	0.0 mm (0.00 in)
1990	0.0 mm (0.00 in)
1991	0.0 mm (0.00 in)
1992	0.0 mm (0.00 in)
1993	0.0 mm (0.00 in)
1994	45.7 mm (1.8 in)
1995	0.0 mm (0.00 in)
1996	22.6 mm (0.9 in)
1997	n/a
1998	99.4 mm (3.9 in)
1999	108.1 mm (4.3 in)
2000	69.4 mm (2.7 in)
2001	173.5 mm (6.8 in)
2007	93.4 mm (3.7 in)
2008	96.8 mm (3.8 in)
2009	97.4 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tonahuixtla, 1979 to 2009. The record is 365 days in 1993, marked on the chart; the median year is 119 days.

Longest dry spell (CDD) at Tonahuixtla by year
Year	Longest dry spell (CDD)
1979	67 days
1980	100 days
1981	142 days
1982	80 days
1983	91 days
1984	114 days
1985	78 days
1986	64 days
1987	155 days
1988	90 days
1989	153 days
1990	120 days
1991	334 days
1992	141 days
1993	365 days
1994	183 days
1995	61 days
1996	121 days
1997	n/a
1998	174 days
1999	84 days
2000	125 days
2001	89 days
2007	94 days
2008	119 days
2009	133 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 Tonahuixtla standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tonahuixtla 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 2026-10-14 (14 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).