Las Mesas Weather Records (MXN00011037)

Record envelope, standing records and threshold days for Las Mesas (MXN00011037), Mexico, with 35 years of record.

Key Facts for Las Mesas

Las Mesas (MXN00011037) is a weather station in Mexico at 21.50 latitude and -100.43 longitude, 1,324 m (4,343 ft) above sea level.
The station reports from 1961 to 1995, 35 years of record.
1,460 records set at Las Mesas still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 21.50 latitude, -100.43 longitude.
Elevation: 1,324 m (4,343 ft).
Period of record: 1961 to 1995, 35 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 Mesas. 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 Mesas, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	34.4 C (93.9 F)	-6.1 C (21.0 F)	n/a	n/a
Feb	35.0 C (95.0 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	32.8 C (91.0 F)	-4.4 C (24.1 F)	n/a	n/a
Apr	39.4 C (102.9 F)	0.0 C (32.0 F)	n/a	n/a
May	35.0 C (95.0 F)	3.3 C (37.9 F)	n/a	n/a
Jun	35.6 C (96.1 F)	5.0 C (41.0 F)	n/a	n/a
Jul	30.6 C (87.1 F)	5.0 C (41.0 F)	n/a	n/a
Aug	31.7 C (89.1 F)	5.6 C (42.1 F)	n/a	n/a
Sep	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	30.0 C (86.0 F)	0.6 C (33.1 F)	n/a	n/a
Nov	30.6 C (87.1 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	32.2 C (90.0 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,460 standing records

1,460 records at Las Mesas still stand. 1989 holds the most, with 151.

Standing records at Las Mesas by the year they were set
Year set	Standing records
1961	53
1962	82
1963	54
1964	40
1965	36
1966	56
1967	41
1968	34
1969	33
1970	50
1971	40
1972	30
1973	44
1974	41
1975	37
1976	42
1977	31
1978	16
1979	13
1980	20
1981	18
1982	10
1983	26
1984	28
1985	23
1986	15
1987	46
1988	119
1989	151
1990	83
1991	67
1995	81

Wettest Day of Each Month

Aug: 99.8 mm (3.9 in)

The wettest day on record for each calendar month at Las Mesas. The most was 99.8 mm (3.9 in) on 15 August 1980.

Record daily precipitation for each month at Las Mesas
Month	Record daily precipitation (mm)	Date
Jan	30.0 mm (1.2 in)	19 January 1975
Feb	31.8 mm (1.3 in)	21 February 1966
Mar	34.8 mm (1.4 in)	4 March 1968
Apr	47.0 mm (1.9 in)	11 April 1967
May	39.9 mm (1.6 in)	29 May 1972
Jun	68.3 mm (2.7 in)	26 June 1966
Jul	67.3 mm (2.6 in)	7 July 1969
Aug	99.8 mm (3.9 in)	15 August 1980
Sep	97.8 mm (3.9 in)	24 September 1967
Oct	41.9 mm (1.6 in)	15 October 1967
Nov	30.2 mm (1.2 in)	5 November 1983
Dec	24.9 mm (1.0 in)	4 December 1981

Period of Record Coverage

1961 to 1995

32 years of record at Las Mesas, 1961 to 1995. 8 years have data for under 90 percent of days and are left out of rankings: 1961, 1978, 1979, 1980, 1987, 1988, 1991, 1995.

Days with data per year at Las Mesas
Year	Days with data	Share of year	Complete
1961	170	47%	No
1962	363	99%	Yes
1963	344	94%	Yes
1964	364	99%	Yes
1965	363	99%	Yes
1966	363	99%	Yes
1967	362	99%	Yes
1968	362	99%	Yes
1969	354	97%	Yes
1970	362	99%	Yes
1971	365	100%	Yes
1972	364	99%	Yes
1973	363	99%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	331	90%	Yes
1977	364	100%	Yes
1978	59	16%	No
1979	60	16%	No
1980	306	84%	No
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	365	100%	Yes
1985	364	100%	Yes
1986	365	100%	Yes
1987	274	75%	No
1988	262	72%	No
1989	361	99%	Yes
1990	365	100%	Yes
1991	243	67%	No
1995	184	50%	No

Latest Records

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

Climate Trend

22 complete years, 1962 to 1990

One stripe for each of 22 complete years at Las Mesas, 1962 to 1990. Blue stripes are years cooler than the station's own mean of 14.5 C (58.1 F); red stripes are warmer. The coolest year was 1966, at 13.1 C (55.6 F), and the warmest was 1989, at 18.4 C (65.0 F). The strongest colour marks a difference of 3.9 C (7.0 F).

Annual mean temperature at Las Mesas as warming stripes, 1962 to 1990
Year	Annual mean temperature	Difference from the station mean
1962	14.4 C	-0.08 C
1964	14.5 C	+0.00 C
1965	14.1 C	-0.41 C
1966	13.1 C	-1.37 C
1967	13.7 C	-0.81 C
1968	13.5 C	-1.03 C
1969	15.0 C	+0.56 C
1970	14.6 C	+0.16 C
1971	14.6 C	+0.07 C
1972	15.2 C	+0.69 C
1973	14.4 C	-0.09 C
1974	13.7 C	-0.82 C
1975	13.7 C	-0.78 C
1977	13.3 C	-1.18 C
1981	13.7 C	-0.78 C
1982	14.5 C	+0.00 C
1983	14.2 C	-0.30 C
1984	14.0 C	-0.44 C
1985	13.7 C	-0.79 C
1986	14.1 C	-0.35 C
1989	18.4 C	+3.87 C
1990	18.3 C	+3.79 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

1961 to 1995

Yearly extremes at Las Mesas: 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)	1970	31.4 C (88.5 F)	32
Coldest night (TNn)	-7.2 C (19.0 F)	1963	-3.6 C (25.5 F)	32
Wettest day (Rx1day)	99.8 mm (3.9 in)	1980	47.2 mm (1.9 in)	32
Wettest five days (Rx5day)	271.0 mm (10.7 in)	1975	113.9 mm (4.5 in)	32
Longest dry spell (CDD)	109 days	1991	56 days	32

Hottest day (TXx)

The hottest day of the year at Las Mesas, 1961 to 1995. The record is 39.4 C (102.9 F) in 1970, marked on the chart; the median year is 31.4 C (88.5 F).

Hottest day (TXx) at Las Mesas by year
Year	Hottest day (TXx)
1961	35.0 C (95.0 F)
1962	30.6 C (87.1 F)
1963	29.4 C (84.9 F)
1964	31.1 C (88.0 F)
1965	29.4 C (84.9 F)
1966	31.1 C (88.0 F)
1967	32.2 C (90.0 F)
1968	30.0 C (86.0 F)
1969	35.0 C (95.0 F)
1970	39.4 C (102.9 F)
1971	32.2 C (90.0 F)
1972	32.2 C (90.0 F)
1973	34.4 C (93.9 F)
1974	27.2 C (81.0 F)
1975	32.8 C (91.0 F)
1976	28.3 C (82.9 F)
1977	30.0 C (86.0 F)
1978	25.0 C (77.0 F)
1979	30.6 C (87.1 F)
1980	32.8 C (91.0 F)
1981	27.8 C (82.0 F)
1982	30.0 C (86.0 F)
1983	31.7 C (89.1 F)
1984	30.0 C (86.0 F)
1985	27.8 C (82.0 F)
1986	30.6 C (87.1 F)
1987	32.2 C (90.0 F)
1988	34.4 C (93.9 F)
1989	35.6 C (96.1 F)
1990	32.8 C (91.0 F)
1991	35.0 C (95.0 F)
1995	31.7 C (89.1 F)

Coldest night (TNn)

The coldest night of the year at Las Mesas, 1961 to 1995. The record is -7.2 C (19.0 F) in 1963, marked on the chart; the median year is -3.6 C (25.5 F).

Coldest night (TNn) at Las Mesas by year
Year	Coldest night (TNn)
1961	0.6 C (33.1 F)
1962	2.8 C (37.0 F)
1963	-7.2 C (19.0 F)
1964	-4.4 C (24.1 F)
1965	-3.9 C (25.0 F)
1966	-4.4 C (24.1 F)
1967	-5.0 C (23.0 F)
1968	-3.9 C (25.0 F)
1969	-5.0 C (23.0 F)
1970	-4.4 C (24.1 F)
1971	0.6 C (33.1 F)
1972	-4.4 C (24.1 F)
1973	-6.1 C (21.0 F)
1974	-5.0 C (23.0 F)
1975	-3.3 C (26.1 F)
1976	-5.0 C (23.0 F)
1977	-4.4 C (24.1 F)
1978	-5.0 C (23.0 F)
1979	0.0 C (32.0 F)
1980	-1.1 C (30.0 F)
1981	-2.2 C (28.0 F)
1982	-3.3 C (26.1 F)
1983	-3.3 C (26.1 F)
1984	-2.2 C (28.0 F)
1985	-3.3 C (26.1 F)
1986	-5.0 C (23.0 F)
1987	-1.1 C (30.0 F)
1988	2.8 C (37.0 F)
1989	-4.4 C (24.1 F)
1990	-3.3 C (26.1 F)
1991	2.2 C (36.0 F)
1995	0.6 C (33.1 F)

Wettest day (Rx1day)

The wettest day of the year at Las Mesas, 1961 to 1995. The record is 99.8 mm (3.9 in) in 1980, marked on the chart; the median year is 47.2 mm (1.9 in).

Wettest day (Rx1day) at Las Mesas by year
Year	Wettest day (Rx1day)
1961	29.5 mm (1.2 in)
1962	49.3 mm (1.9 in)
1963	57.9 mm (2.3 in)
1964	27.9 mm (1.1 in)
1965	41.9 mm (1.6 in)
1966	68.3 mm (2.7 in)
1967	97.8 mm (3.9 in)
1968	45.0 mm (1.8 in)
1969	79.8 mm (3.1 in)
1970	48.8 mm (1.9 in)
1971	66.8 mm (2.6 in)
1972	80.3 mm (3.2 in)
1973	64.8 mm (2.6 in)
1974	88.9 mm (3.5 in)
1975	83.8 mm (3.3 in)
1976	53.3 mm (2.1 in)
1977	68.3 mm (2.7 in)
1978	7.9 mm (0.31 in)
1979	0.0 mm (0.00 in)
1980	99.8 mm (3.9 in)
1981	52.8 mm (2.1 in)
1982	41.9 mm (1.6 in)
1983	30.2 mm (1.2 in)
1984	45.5 mm (1.8 in)
1985	55.6 mm (2.2 in)
1986	38.9 mm (1.5 in)
1987	38.4 mm (1.5 in)
1988	22.1 mm (0.9 in)
1989	10.4 mm (0.4 in)
1990	28.4 mm (1.1 in)
1991	30.0 mm (1.2 in)
1995	20.8 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Las Mesas, 1961 to 1995. The record is 271.0 mm (10.7 in) in 1975, marked on the chart; the median year is 113.9 mm (4.5 in).

Wettest five days (Rx5day) at Las Mesas by year
Year	Wettest five days (Rx5day)
1961	112.8 mm (4.4 in)
1962	116.8 mm (4.6 in)
1963	135.1 mm (5.3 in)
1964	58.8 mm (2.3 in)
1965	115.0 mm (4.5 in)
1966	142.7 mm (5.6 in)
1967	265.0 mm (10.4 in)
1968	135.9 mm (5.4 in)
1969	220.5 mm (8.7 in)
1970	130.9 mm (5.2 in)
1971	147.3 mm (5.8 in)
1972	112.3 mm (4.4 in)
1973	166.7 mm (6.6 in)
1974	236.2 mm (9.3 in)
1975	271.0 mm (10.7 in)
1976	131.4 mm (5.2 in)
1977	157.5 mm (6.2 in)
1978	7.9 mm (0.31 in)
1979	0.0 mm (0.00 in)
1980	132.3 mm (5.2 in)
1981	145.5 mm (5.7 in)
1982	95.4 mm (3.8 in)
1983	81.3 mm (3.2 in)
1984	108.2 mm (4.3 in)
1985	92.3 mm (3.6 in)
1986	44.5 mm (1.8 in)
1987	65.5 mm (2.6 in)
1988	75.4 mm (3.0 in)
1989	15.8 mm (0.6 in)
1990	44.4 mm (1.7 in)
1991	30.0 mm (1.2 in)
1995	42.7 mm (1.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Las Mesas, 1961 to 1995. The record is 109 days in 1991, marked on the chart; the median year is 56 days.

Longest dry spell (CDD) at Las Mesas by year
Year	Longest dry spell (CDD)
1961	59 days
1962	42 days
1963	58 days
1964	36 days
1965	37 days
1966	28 days
1967	43 days
1968	32 days
1969	39 days
1970	97 days
1971	69 days
1972	65 days
1973	94 days
1974	67 days
1975	108 days
1976	59 days
1977	79 days
1978	34 days
1979	61 days
1980	50 days
1981	31 days
1982	53 days
1983	88 days
1984	50 days
1985	38 days
1986	98 days
1987	70 days
1988	44 days
1989	48 days
1990	45 days
1991	109 days
1995	98 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 Mesas standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Las Mesas 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).