Las Monitas Weather Records (MXN00019172)

Record envelope, standing records and threshold days for Las Monitas (MXN00019172), Mexico, with 30 years of record.

Key Facts for Las Monitas

Las Monitas (MXN00019172) is a weather station in Mexico at 26.12 latitude and -99.73 longitude, 400 m (1,312 ft) above sea level.
The station reports from 1982 to 2011, 30 years of record.
1,464 records set at Las Monitas still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 26.12 latitude, -99.73 longitude.
Elevation: 400 m (1,312 ft).
Period of record: 1982 to 2011, 30 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 Las Monitas. 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 Las Monitas, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.7 C (89.1 F)	-2.2 C (28.0 F)	n/a	n/a
Feb	35.6 C (96.1 F)	-3.3 C (26.1 F)	n/a	n/a
Mar	37.8 C (100.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	40.0 C (104.0 F)	3.9 C (39.0 F)	n/a	n/a
May	40.6 C (105.1 F)	6.7 C (44.1 F)	n/a	n/a
Jun	43.9 C (111.0 F)	12.8 C (55.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	13.9 C (57.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	13.9 C (57.0 F)	n/a	n/a
Sep	37.8 C (100.0 F)	8.9 C (48.0 F)	n/a	n/a
Oct	37.8 C (100.0 F)	5.0 C (41.0 F)	n/a	n/a
Nov	30.6 C (87.1 F)	0.6 C (33.1 F)	n/a	n/a
Dec	30.6 C (87.1 F)	-1.1 C (30.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Las Monitas still stand. 2008 holds the most, with 185.

Wettest Day of Each Month

Sep: 223.8 mm (8.8 in)

The wettest day on record for each calendar month at Las Monitas. The most was 223.8 mm (8.8 in) on 16 September 1988.

Record daily precipitation for each month at Las Monitas
Month	Record daily precipitation (mm)	Date
Jan	26.4 mm (1.0 in)	11 January 2010
Feb	43.9 mm (1.7 in)	19 February 1985
Mar	30.0 mm (1.2 in)	14 March 2004
Apr	86.9 mm (3.4 in)	10 April 2010
May	69.9 mm (2.8 in)	15 May 2004
Jun	143.3 mm (5.6 in)	29 June 2010
Jul	199.9 mm (7.9 in)	4 July 2010
Aug	215.4 mm (8.5 in)	20 August 2008
Sep	223.8 mm (8.8 in)	16 September 1988
Oct	97.8 mm (3.9 in)	10 October 1986
Nov	34.8 mm (1.4 in)	29 November 2009
Dec	63.8 mm (2.5 in)	28 December 1986

Period of Record Coverage

1987 to 2011

14 years of record at Las Monitas, 1987 to 2011. 8 years have data for under 90 percent of days and are left out of rankings: 1987, 1988, 1989, 1990, 1995, 2001, 2004, 2006.

Days with data per year at Las Monitas
Year	Days with data	Share of year	Complete
1987	54	15%	No
1988	292	80%	No
1989	167	46%	No
1990	291	80%	No
1995	89	24%	No
2001	197	54%	No
2002	362	99%	Yes
2003	365	100%	Yes
2004	212	58%	No
2006	95	26%	No
2008	361	99%	Yes
2009	357	98%	Yes
2010	364	100%	Yes
2011	356	98%	Yes

Latest Records

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

Extremes by Year

1982 to 2011

Yearly extremes at Las Monitas: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.9 C (111.0 F)	2001	38.3 C (101.0 F)	14
Coldest night (TNn)	-3.3 C (26.1 F)	2011	0.0 C (32.0 F)	14
Wettest day (Rx1day)	223.8 mm (8.8 in)	1988	54.9 mm (2.2 in)	20
Wettest five days (Rx5day)	393.0 mm (15.5 in)	2008	76.3 mm (3.0 in)	20
Longest dry spell (CDD)	118 days	2011	39 days	20

Hottest day (TXx)

The hottest day of the year at Las Monitas, 1982 to 2011. The record is 43.9 C (111.0 F) in 2001, marked on the chart; the median year is 38.3 C (101.0 F).

Hottest day (TXx) at Las Monitas by year
Year	Hottest day (TXx)
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	30.6 C (87.1 F)
1988	40.0 C (104.0 F)
1989	37.8 C (100.0 F)
1990	41.7 C (107.1 F)
1995	38.9 C (102.0 F)
1997	n/a
2001	43.9 C (111.0 F)
2002	40.6 C (105.1 F)
2003	40.0 C (104.0 F)
2004	38.9 C (102.0 F)
2006	35.0 C (95.0 F)
2008	35.0 C (95.0 F)
2009	35.0 C (95.0 F)
2010	33.9 C (93.0 F)
2011	37.8 C (100.0 F)

Coldest night (TNn)

The coldest night of the year at Las Monitas, 1982 to 2011. The record is -3.3 C (26.1 F) in 2011, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Las Monitas by year
Year	Coldest night (TNn)
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	-1.1 C (30.0 F)
1988	0.0 C (32.0 F)
1989	1.7 C (35.1 F)
1990	5.0 C (41.0 F)
1995	1.7 C (35.1 F)
1997	n/a
2001	0.6 C (33.1 F)
2002	0.0 C (32.0 F)
2003	0.0 C (32.0 F)
2004	3.9 C (39.0 F)
2006	8.9 C (48.0 F)
2008	0.0 C (32.0 F)
2009	0.0 C (32.0 F)
2010	-2.2 C (28.0 F)
2011	-3.3 C (26.1 F)

Wettest day (Rx1day)

The wettest day of the year at Las Monitas, 1982 to 2011. The record is 223.8 mm (8.8 in) in 1988, marked on the chart; the median year is 54.9 mm (2.2 in).

Wettest day (Rx1day) at Las Monitas by year
Year	Wettest day (Rx1day)
1982	6.9 mm (0.27 in)
1983	39.9 mm (1.6 in)
1984	14.7 mm (0.6 in)
1985	43.9 mm (1.7 in)
1986	97.8 mm (3.9 in)
1987	16.8 mm (0.7 in)
1988	223.8 mm (8.8 in)
1989	81.8 mm (3.2 in)
1990	83.8 mm (3.3 in)
1995	19.8 mm (0.8 in)
1997	0.0 mm (0.00 in)
2001	45.0 mm (1.8 in)
2002	64.8 mm (2.6 in)
2003	89.9 mm (3.5 in)
2004	69.9 mm (2.8 in)
2006	25.9 mm (1.0 in)
2008	215.4 mm (8.5 in)
2009	82.3 mm (3.2 in)
2010	199.9 mm (7.9 in)
2011	39.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Las Monitas, 1982 to 2011. The record is 393.0 mm (15.5 in) in 2008, marked on the chart; the median year is 76.3 mm (3.0 in).

Wettest five days (Rx5day) at Las Monitas by year
Year	Wettest five days (Rx5day)
1982	6.9 mm (0.27 in)
1983	61.9 mm (2.4 in)
1984	37.0 mm (1.5 in)
1985	48.7 mm (1.9 in)
1986	232.4 mm (9.1 in)
1987	23.9 mm (0.9 in)
1988	258.6 mm (10.2 in)
1989	136.2 mm (5.4 in)
1990	155.5 mm (6.1 in)
1995	28.5 mm (1.1 in)
1997	0.0 mm (0.00 in)
2001	60.8 mm (2.4 in)
2002	83.6 mm (3.3 in)
2003	119.7 mm (4.7 in)
2004	70.2 mm (2.8 in)
2006	26.7 mm (1.1 in)
2008	393.0 mm (15.5 in)
2009	82.3 mm (3.2 in)
2010	327.5 mm (12.9 in)
2011	91.2 mm (3.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Las Monitas, 1982 to 2011. The record is 118 days in 2011, marked on the chart; the median year is 39 days.

Longest dry spell (CDD) at Las Monitas by year
Year	Longest dry spell (CDD)
1982	11 days
1983	46 days
1984	30 days
1985	29 days
1986	32 days
1987	64 days
1988	39 days
1989	28 days
1990	38 days
1995	28 days
1997	31 days
2001	67 days
2002	58 days
2003	27 days
2004	44 days
2006	29 days
2008	66 days
2009	44 days
2010	97 days
2011	118 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 Las Monitas standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Las Monitas 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).