Mexcalhuacan Weather Records (MXN00016239)

Record envelope, standing records and threshold days for Mexcalhuacan (MXN00016239), Mexico, with 31 years of record.

Key Facts for Mexcalhuacan

Mexcalhuacan (MXN00016239) is a weather station in Mexico at 18.07 latitude and -102.65 longitude, 30 m (98 ft) above sea level.
The station reports from 1981 to 2011, 31 years of record.
1,464 records set at Mexcalhuacan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.07 latitude, -102.65 longitude.
Elevation: 30 m (98 ft).
Period of record: 1981 to 2011, 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 Mexcalhuacan. 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 Mexcalhuacan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	8.3 C (46.9 F)	n/a	n/a
Feb	40.0 C (104.0 F)	8.3 C (46.9 F)	n/a	n/a
Mar	40.6 C (105.1 F)	10.0 C (50.0 F)	n/a	n/a
Apr	41.7 C (107.1 F)	13.3 C (55.9 F)	n/a	n/a
May	42.8 C (109.0 F)	8.9 C (48.0 F)	n/a	n/a
Jun	38.9 C (102.0 F)	17.8 C (64.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	17.8 C (64.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	16.7 C (62.1 F)	n/a	n/a
Sep	36.7 C (98.1 F)	15.6 C (60.1 F)	n/a	n/a
Oct	37.2 C (99.0 F)	13.3 C (55.9 F)	n/a	n/a
Nov	38.3 C (100.9 F)	10.0 C (50.0 F)	n/a	n/a
Dec	38.3 C (100.9 F)	10.0 C (50.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mexcalhuacan still stand. 1981 holds the most, with 205.

Standing records at Mexcalhuacan by the year they were set
Year set	Standing records
1981	205
1982	127
1983	82
1984	21
1986	53
1987	7
1988	29
1989	33
1990	84
1997	64
2001	161
2002	81
2006	185
2007	56
2008	55
2009	22
2010	41
2011	158

Wettest Day of Each Month

Jul: 300.0 mm (11.8 in)

The wettest day on record for each calendar month at Mexcalhuacan. The most was 300.0 mm (11.8 in) on 18 July 2007.

Record daily precipitation for each month at Mexcalhuacan
Month	Record daily precipitation (mm)	Date
Jan	28.4 mm (1.1 in)	18 January 1983
Feb	63.5 mm (2.5 in)	2 February 2010
Mar	0.0 mm (0.00 in)	1 March 1981
Apr	0.0 mm (0.00 in)	1 April 1981
May	100.3 mm (3.9 in)	26 May 1983
Jun	279.9 mm (11.0 in)	20 June 2011
Jul	300.0 mm (11.8 in)	18 July 2007
Aug	249.9 mm (9.8 in)	31 August 2011
Sep	140.0 mm (5.5 in)	3 September 2007
Oct	149.9 mm (5.9 in)	14 October 2006
Nov	52.3 mm (2.1 in)	20 November 1982
Dec	40.6 mm (1.6 in)	2 December 1986

Period of Record Coverage

1981 to 2011

19 years of record at Mexcalhuacan, 1981 to 2011. 14 years have data for under 90 percent of days and are left out of rankings: 1981, 1982, 1983, 1984, 1985, 1987, 1988, 1989 and others.

Days with data per year at Mexcalhuacan
Year	Days with data	Share of year	Complete
1981	243	67%	No
1982	306	84%	No
1983	276	76%	No
1984	153	42%	No
1985	21	6%	No
1986	336	92%	Yes
1987	31	8%	No
1988	31	8%	No
1989	90	25%	No
1990	148	41%	No
1997	55	15%	No
2001	231	63%	No
2002	48	13%	No
2006	291	80%	No
2007	365	100%	Yes
2008	364	99%	Yes
2009	365	100%	Yes
2010	364	100%	Yes
2011	304	83%	No

Latest Records

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

Extremes by Year

1981 to 2011

Yearly extremes at Mexcalhuacan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.8 C (109.0 F)	1997	36.1 C (97.0 F)	19
Coldest night (TNn)	8.3 C (46.9 F)	1982	13.9 C (57.0 F)	18
Wettest day (Rx1day)	300.0 mm (11.8 in)	2007	88.4 mm (3.5 in)	19
Wettest five days (Rx5day)	549.4 mm (21.6 in)	2011	153.5 mm (6.0 in)	19
Longest dry spell (CDD)	177 days	2008	91 days	19

Hottest day (TXx)

The hottest day of the year at Mexcalhuacan, 1981 to 2011. The record is 42.8 C (109.0 F) in 1997, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Mexcalhuacan by year
Year	Hottest day (TXx)
1981	37.2 C (99.0 F)
1982	39.4 C (102.9 F)
1983	36.1 C (97.0 F)
1984	35.0 C (95.0 F)
1985	33.3 C (91.9 F)
1986	35.0 C (95.0 F)
1987	35.0 C (95.0 F)
1988	33.3 C (91.9 F)
1989	36.7 C (98.1 F)
1990	35.6 C (96.1 F)
1997	42.8 C (109.0 F)
2001	38.9 C (102.0 F)
2002	38.9 C (102.0 F)
2006	37.8 C (100.0 F)
2007	35.6 C (96.1 F)
2008	36.7 C (98.1 F)
2009	40.0 C (104.0 F)
2010	35.0 C (95.0 F)
2011	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Mexcalhuacan, 1981 to 2011. The record is 8.3 C (46.9 F) in 1982, marked on the chart; the median year is 13.9 C (57.0 F).

Coldest night (TNn) at Mexcalhuacan by year
Year	Coldest night (TNn)
1981	10.0 C (50.0 F)
1982	8.3 C (46.9 F)
1983	14.4 C (57.9 F)
1984	15.0 C (59.0 F)
1985	n/a
1986	10.0 C (50.0 F)
1987	18.3 C (64.9 F)
1988	12.2 C (54.0 F)
1989	10.0 C (50.0 F)
1990	10.0 C (50.0 F)
1997	8.3 C (46.9 F)
2001	17.8 C (64.0 F)
2002	20.6 C (69.1 F)
2006	13.9 C (57.0 F)
2007	17.8 C (64.0 F)
2008	13.9 C (57.0 F)
2009	15.6 C (60.1 F)
2010	8.9 C (48.0 F)
2011	13.9 C (57.0 F)

Wettest day (Rx1day)

The wettest day of the year at Mexcalhuacan, 1981 to 2011. The record is 300.0 mm (11.8 in) in 2007, marked on the chart; the median year is 88.4 mm (3.5 in).

Wettest day (Rx1day) at Mexcalhuacan by year
Year	Wettest day (Rx1day)
1981	70.4 mm (2.8 in)
1982	88.4 mm (3.5 in)
1983	100.3 mm (3.9 in)
1984	84.6 mm (3.3 in)
1985	0.0 mm (0.00 in)
1986	100.3 mm (3.9 in)
1987	138.4 mm (5.4 in)
1988	0.0 mm (0.00 in)
1989	0.0 mm (0.00 in)
1990	19.8 mm (0.8 in)
1997	0.0 mm (0.00 in)
2001	18.8 mm (0.7 in)
2002	0.0 mm (0.00 in)
2006	149.9 mm (5.9 in)
2007	300.0 mm (11.8 in)
2008	121.9 mm (4.8 in)
2009	99.8 mm (3.9 in)
2010	144.8 mm (5.7 in)
2011	279.9 mm (11.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mexcalhuacan, 1981 to 2011. The record is 549.4 mm (21.6 in) in 2011, marked on the chart; the median year is 153.5 mm (6.0 in).

Wettest five days (Rx5day) at Mexcalhuacan by year
Year	Wettest five days (Rx5day)
1981	145.9 mm (5.7 in)
1982	153.5 mm (6.0 in)
1983	232.9 mm (9.2 in)
1984	171.3 mm (6.7 in)
1985	0.0 mm (0.00 in)
1986	225.5 mm (8.9 in)
1987	444.5 mm (17.5 in)
1988	0.0 mm (0.00 in)
1989	0.0 mm (0.00 in)
1990	28.7 mm (1.1 in)
1997	0.0 mm (0.00 in)
2001	58.9 mm (2.3 in)
2002	0.0 mm (0.00 in)
2006	309.6 mm (12.2 in)
2007	384.6 mm (15.1 in)
2008	203.7 mm (8.0 in)
2009	104.7 mm (4.1 in)
2010	289.5 mm (11.4 in)
2011	549.4 mm (21.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mexcalhuacan, 1981 to 2011. The record is 177 days in 2008, marked on the chart; the median year is 91 days.

Longest dry spell (CDD) at Mexcalhuacan by year
Year	Longest dry spell (CDD)
1981	91 days
1982	46 days
1983	53 days
1984	89 days
1985	21 days
1986	163 days
1987	7 days
1988	31 days
1989	50 days
1990	125 days
1997	96 days
2001	116 days
2002	48 days
2006	78 days
2007	157 days
2008	177 days
2009	164 days
2010	118 days
2011	169 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 Mexcalhuacan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mexcalhuacan 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 2026-10-16 (16 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).