La Arena Weather Records (MXN00019029)

Record envelope, standing records and threshold days for La Arena (MXN00019029), Mexico, with 30 years of record.

Key Facts for La Arena

La Arena (MXN00019029) is a weather station in Mexico at 25.73 latitude and -99.87 longitude, 280 m (918 ft) above sea level.
The station reports from 1967 to 1996, 30 years of record.
1,464 records set at La Arena still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 25.73 latitude, -99.87 longitude.
Elevation: 280 m (918 ft).
Period of record: 1967 to 1996, 30 years.
Eligible elements: tmax, tmin, prcp.

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 La Arena. 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 La Arena, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.3 C (100.9 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	40.6 C (105.1 F)	-3.9 C (25.0 F)	n/a	n/a
Mar	45.0 C (113.0 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	45.0 C (113.0 F)	-1.1 C (30.0 F)	n/a	n/a
May	46.7 C (116.1 F)	8.3 C (46.9 F)	n/a	n/a
Jun	43.9 C (111.0 F)	13.9 C (57.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	15.6 C (60.1 F)	n/a	n/a
Aug	42.8 C (109.0 F)	13.9 C (57.0 F)	n/a	n/a
Sep	40.6 C (105.1 F)	10.0 C (50.0 F)	n/a	n/a
Oct	38.9 C (102.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	39.4 C (102.9 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	36.7 C (98.1 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at La Arena still stand. 1977 holds the most, with 106.

Standing records at La Arena by the year they were set
Year set	Standing records
1967	46
1968	42
1969	56
1970	54
1971	35
1972	50
1973	43
1974	57
1975	50
1976	58
1977	106
1978	62
1979	41
1980	34
1981	46
1982	64
1983	38
1984	41
1985	40
1986	32
1987	35
1988	33
1989	52
1990	50
1991	50
1992	36
1993	46
1994	27
1995	63
1996	77

Wettest Day of Each Month

Sep: 275.6 mm (10.9 in)

The wettest day on record for each calendar month at La Arena. The most was 275.6 mm (10.9 in) on 21 September 1967.

Record daily precipitation for each month at La Arena
Month	Record daily precipitation (mm)	Date
Jan	47.0 mm (1.9 in)	30 January 1984
Feb	20.1 mm (0.8 in)	7 February 1970
Mar	35.8 mm (1.4 in)	12 March 1972
Apr	48.5 mm (1.9 in)	16 April 1981
May	94.0 mm (3.7 in)	2 May 1981
Jun	114.3 mm (4.5 in)	24 June 1973
Jul	106.2 mm (4.2 in)	24 July 1989
Aug	119.4 mm (4.7 in)	23 August 1967
Sep	275.6 mm (10.9 in)	21 September 1967
Oct	91.4 mm (3.6 in)	19 October 1985
Nov	42.9 mm (1.7 in)	17 November 1976
Dec	35.3 mm (1.4 in)	8 December 1982

Period of Record Coverage

1967 to 1996

30 years of record at La Arena, 1967 to 1996. 5 years have data for under 90 percent of days and are left out of rankings: 1967, 1969, 1972, 1985, 1994.

Days with data per year at La Arena
Year	Days with data	Share of year	Complete
1967	287	79%	No
1968	363	99%	Yes
1969	266	73%	No
1970	354	97%	Yes
1971	332	91%	Yes
1972	320	87%	No
1973	363	99%	Yes
1974	365	100%	Yes
1975	363	99%	Yes
1976	365	100%	Yes
1977	364	100%	Yes
1978	347	95%	Yes
1979	350	96%	Yes
1980	344	94%	Yes
1981	349	96%	Yes
1982	353	97%	Yes
1983	355	97%	Yes
1984	358	98%	Yes
1985	325	89%	No
1986	355	97%	Yes
1987	359	98%	Yes
1988	342	93%	Yes
1989	347	95%	Yes
1990	341	93%	Yes
1991	336	92%	Yes
1992	350	96%	Yes
1993	347	95%	Yes
1994	213	58%	No
1995	361	99%	Yes
1996	331	90%	Yes

Latest Records

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

Climate Trend

16 complete years, 1968 to 1995

One stripe for each of 16 complete years at La Arena, 1968 to 1995. Blue stripes are years cooler than the station's own mean of 22.5 C (72.5 F); red stripes are warmer. The coolest year was 1977, at 21.2 C (70.1 F), and the warmest was 1995, at 23.6 C (74.4 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at La Arena as warming stripes, 1968 to 1995
Year	Annual mean temperature	Difference from the station mean
1968	21.4 C	-1.08 C
1970	22.2 C	-0.27 C
1973	22.0 C	-0.54 C
1974	22.6 C	+0.13 C
1975	22.5 C	0.00 C
1976	21.4 C	-1.08 C
1977	21.2 C	-1.31 C
1982	23.4 C	+0.95 C
1983	22.5 C	-0.02 C
1984	22.8 C	+0.32 C
1986	23.1 C	+0.65 C
1987	22.3 C	-0.23 C
1988	22.8 C	+0.27 C
1989	23.3 C	+0.80 C
1992	22.8 C	+0.32 C
1995	23.6 C	+1.09 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

1967 to 1996

Yearly extremes at La Arena: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.7 C (116.1 F)	1995	42.5 C (108.5 F)	30
Coldest night (TNn)	-8.3 C (17.1 F)	1975	-0.8 C (30.5 F)	30
Wettest day (Rx1day)	275.6 mm (10.9 in)	1967	71.8 mm (2.8 in)	30
Wettest five days (Rx5day)	413.3 mm (16.3 in)	1967	112.4 mm (4.4 in)	30
Longest dry spell (CDD)	88 days	1984	50 days	30

Hottest day (TXx)

The hottest day of the year at La Arena, 1967 to 1996. The record is 46.7 C (116.1 F) in 1995, marked on the chart; the median year is 42.5 C (108.5 F).

Hottest day (TXx) at La Arena by year
Year	Hottest day (TXx)
1967	43.3 C (109.9 F)
1968	40.6 C (105.1 F)
1969	43.9 C (111.0 F)
1970	40.6 C (105.1 F)
1971	45.0 C (113.0 F)
1972	40.0 C (104.0 F)
1973	45.6 C (114.1 F)
1974	43.9 C (111.0 F)
1975	41.7 C (107.1 F)
1976	40.6 C (105.1 F)
1977	41.7 C (107.1 F)
1978	43.3 C (109.9 F)
1979	40.6 C (105.1 F)
1980	42.8 C (109.0 F)
1981	43.9 C (111.0 F)
1982	40.0 C (104.0 F)
1983	45.0 C (113.0 F)
1984	43.9 C (111.0 F)
1985	40.0 C (104.0 F)
1986	41.7 C (107.1 F)
1987	38.9 C (102.0 F)
1988	40.0 C (104.0 F)
1989	43.9 C (111.0 F)
1990	42.2 C (108.0 F)
1991	42.2 C (108.0 F)
1992	42.8 C (109.0 F)
1993	41.1 C (106.0 F)
1994	43.9 C (111.0 F)
1995	46.7 C (116.1 F)
1996	45.0 C (113.0 F)

Coldest night (TNn)

The coldest night of the year at La Arena, 1967 to 1996. The record is -8.3 C (17.1 F) in 1975, marked on the chart; the median year is -0.8 C (30.5 F).

Coldest night (TNn) at La Arena by year
Year	Coldest night (TNn)
1967	-2.2 C (28.0 F)
1968	-0.6 C (30.9 F)
1969	-2.2 C (28.0 F)
1970	0.0 C (32.0 F)
1971	-0.6 C (30.9 F)
1972	0.0 C (32.0 F)
1973	-5.0 C (23.0 F)
1974	-2.2 C (28.0 F)
1975	-8.3 C (17.1 F)
1976	-4.4 C (24.1 F)
1977	-2.2 C (28.0 F)
1978	-4.4 C (24.1 F)
1979	-5.0 C (23.0 F)
1980	0.0 C (32.0 F)
1981	0.6 C (33.1 F)
1982	0.0 C (32.0 F)
1983	-1.1 C (30.0 F)
1984	0.0 C (32.0 F)
1985	-2.2 C (28.0 F)
1986	-3.3 C (26.1 F)
1987	0.0 C (32.0 F)
1988	0.0 C (32.0 F)
1989	0.0 C (32.0 F)
1990	0.6 C (33.1 F)
1991	1.7 C (35.1 F)
1992	-2.2 C (28.0 F)
1993	-1.1 C (30.0 F)
1994	0.6 C (33.1 F)
1995	0.6 C (33.1 F)
1996	-3.3 C (26.1 F)

Wettest day (Rx1day)

The wettest day of the year at La Arena, 1967 to 1996. The record is 275.6 mm (10.9 in) in 1967, marked on the chart; the median year is 71.8 mm (2.8 in).

Wettest day (Rx1day) at La Arena by year
Year	Wettest day (Rx1day)
1967	275.6 mm (10.9 in)
1968	104.9 mm (4.1 in)
1969	45.0 mm (1.8 in)
1970	87.4 mm (3.4 in)
1971	80.8 mm (3.2 in)
1972	94.7 mm (3.7 in)
1973	114.3 mm (4.5 in)
1974	106.9 mm (4.2 in)
1975	46.5 mm (1.8 in)
1976	94.0 mm (3.7 in)
1977	63.8 mm (2.5 in)
1978	57.9 mm (2.3 in)
1979	36.8 mm (1.4 in)
1980	57.4 mm (2.3 in)
1981	94.0 mm (3.7 in)
1982	35.3 mm (1.4 in)
1983	73.7 mm (2.9 in)
1984	47.0 mm (1.9 in)
1985	91.4 mm (3.6 in)
1986	56.6 mm (2.2 in)
1987	45.5 mm (1.8 in)
1988	141.7 mm (5.6 in)
1989	106.2 mm (4.2 in)
1990	65.8 mm (2.6 in)
1991	50.8 mm (2.0 in)
1992	46.0 mm (1.8 in)
1993	99.3 mm (3.9 in)
1994	63.0 mm (2.5 in)
1995	69.9 mm (2.8 in)
1996	86.9 mm (3.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at La Arena, 1967 to 1996. The record is 413.3 mm (16.3 in) in 1967, marked on the chart; the median year is 112.4 mm (4.4 in).

Wettest five days (Rx5day) at La Arena by year
Year	Wettest five days (Rx5day)
1967	413.3 mm (16.3 in)
1968	121.0 mm (4.8 in)
1969	61.1 mm (2.4 in)
1970	87.4 mm (3.4 in)
1971	130.9 mm (5.2 in)
1972	166.6 mm (6.6 in)
1973	190.6 mm (7.5 in)
1974	217.2 mm (8.6 in)
1975	116.1 mm (4.6 in)
1976	257.5 mm (10.1 in)
1977	96.8 mm (3.8 in)
1978	87.6 mm (3.4 in)
1979	86.3 mm (3.4 in)
1980	94.0 mm (3.7 in)
1981	105.7 mm (4.2 in)
1982	40.4 mm (1.6 in)
1983	148.0 mm (5.8 in)
1984	72.6 mm (2.9 in)
1985	109.5 mm (4.3 in)
1986	83.8 mm (3.3 in)
1987	98.0 mm (3.9 in)
1988	158.5 mm (6.2 in)
1989	148.6 mm (5.9 in)
1990	66.8 mm (2.6 in)
1991	129.9 mm (5.1 in)
1992	72.9 mm (2.9 in)
1993	169.2 mm (6.7 in)
1994	82.8 mm (3.3 in)
1995	115.3 mm (4.5 in)
1996	181.7 mm (7.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at La Arena, 1967 to 1996. The record is 88 days in 1984, marked on the chart; the median year is 50 days.

Longest dry spell (CDD) at La Arena by year
Year	Longest dry spell (CDD)
1967	33 days
1968	31 days
1969	58 days
1970	58 days
1971	74 days
1972	32 days
1973	58 days
1974	45 days
1975	32 days
1976	51 days
1977	46 days
1978	55 days
1979	58 days
1980	76 days
1981	55 days
1982	36 days
1983	63 days
1984	88 days
1985	25 days
1986	42 days
1987	34 days
1988	56 days
1989	50 days
1990	40 days
1991	32 days
1992	49 days
1993	58 days
1994	40 days
1995	26 days
1996	88 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 La Arena standing records by year: CSV or JSON. Field meanings are on the data page.
Data for La Arena 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).