San Jose Acateno Weather Records (MXN00021143)

Record envelope, standing records and threshold days for San Jose Acateno (MXN00021143), Mexico, with 35 years of record.

Key Facts for San Jose Acateno

San Jose Acateno (MXN00021143) is a weather station in Mexico at 20.13 latitude and -97.20 longitude, 144 m (472 ft) above sea level.
The station reports from 1975 to 2009, 35 years of record.
1,464 records set at San Jose Acateno still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
San Jose Acateno set a daily record low minimum temperature of 7.8 C (46.0 F) on 29 December 2009.

About the Station

Location: Mexico, 20.13 latitude, -97.20 longitude.
Elevation: 144 m (472 ft).
Period of record: 1975 to 2009, 35 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 San Jose Acateno. 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 San Jose Acateno, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.8 C (100.0 F)	5.6 C (42.1 F)	n/a	n/a
Feb	37.8 C (100.0 F)	6.7 C (44.1 F)	n/a	n/a
Mar	40.6 C (105.1 F)	7.2 C (45.0 F)	n/a	n/a
Apr	42.2 C (108.0 F)	10.6 C (51.1 F)	n/a	n/a
May	45.0 C (113.0 F)	13.9 C (57.0 F)	n/a	n/a
Jun	44.4 C (111.9 F)	17.2 C (63.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	15.6 C (60.1 F)	n/a	n/a
Aug	40.6 C (105.1 F)	15.6 C (60.1 F)	n/a	n/a
Sep	39.4 C (102.9 F)	13.9 C (57.0 F)	n/a	n/a
Oct	39.4 C (102.9 F)	10.6 C (51.1 F)	n/a	n/a
Nov	38.9 C (102.0 F)	6.7 C (44.1 F)	n/a	n/a
Dec	38.3 C (100.9 F)	1.7 C (35.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Jose Acateno still stand. 1976 holds the most, with 75.

Standing records at San Jose Acateno by the year they were set
Year set	Standing records
1975	43
1976	75
1977	41
1978	48
1979	57
1980	62
1981	51
1982	56
1983	59
1984	61
1985	18
1986	14
1987	55
1988	34
1989	32
1990	13
1991	45
1992	19
1993	38
1994	31
1995	75
1996	38
1997	36
1998	51
1999	24
2000	26
2001	44
2003	29
2004	61
2005	54
2007	67
2008	56
2009	51

Wettest Day of Each Month

Oct: 302.5 mm (11.9 in)

The wettest day on record for each calendar month at San Jose Acateno. The most was 302.5 mm (11.9 in) on 14 October 2001.

Record daily precipitation for each month at San Jose Acateno
Month	Record daily precipitation (mm)	Date
Jan	74.9 mm (2.9 in)	14 January 1976
Feb	129.3 mm (5.1 in)	20 February 2000
Mar	80.0 mm (3.1 in)	26 March 1992
Apr	184.7 mm (7.3 in)	10 April 1982
May	127.0 mm (5.0 in)	28 May 1997
Jun	107.7 mm (4.2 in)	22 June 2009
Jul	124.0 mm (4.9 in)	11 July 1999
Aug	217.2 mm (8.6 in)	22 August 2007
Sep	163.8 mm (6.4 in)	21 September 1983
Oct	302.5 mm (11.9 in)	14 October 2001
Nov	226.3 mm (8.9 in)	21 November 1977
Dec	77.5 mm (3.1 in)	4 December 1981

Period of Record Coverage

1975 to 2009

33 years of record at San Jose Acateno, 1975 to 2009. 10 years have data for under 90 percent of days and are left out of rankings: 1975, 1977, 1985, 1986, 1989, 1995, 1999, 2000 and others.

Days with data per year at San Jose Acateno
Year	Days with data	Share of year	Complete
1975	284	78%	No
1976	364	99%	Yes
1977	305	84%	No
1978	360	99%	Yes
1979	331	91%	Yes
1980	357	98%	Yes
1981	359	98%	Yes
1982	360	99%	Yes
1983	361	99%	Yes
1984	346	95%	Yes
1985	271	74%	No
1986	92	25%	No
1987	334	92%	Yes
1988	366	100%	Yes
1989	303	83%	No
1990	365	100%	Yes
1991	364	100%	Yes
1992	365	100%	Yes
1993	334	92%	Yes
1994	334	92%	Yes
1995	274	75%	No
1996	336	92%	Yes
1997	364	100%	Yes
1998	329	90%	Yes
1999	303	83%	No
2000	240	66%	No
2001	332	91%	Yes
2003	364	100%	Yes
2004	365	100%	Yes
2005	365	100%	Yes
2007	323	88%	No
2008	322	88%	No
2009	346	95%	Yes

Latest Records

Latest records at San Jose Acateno
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 December 2009	San Jose Acateno, MX	daily low min	7.8 C (46.0 F)	0.5 C (0.9 F)	26 years	11 of 100 (Routine)
19 December 2009	San Jose Acateno, MX	daily rain	15.0 mm (0.6 in)	7.1 mm (0.28 in)	14 years	13 of 100 (Routine)
9 December 2009	San Jose Acateno, MX	daily high max	37.2 C (99.0 F)	3.9 C (7.0 F)	2 years	12 of 100 (Routine)
9 December 2009	San Jose Acateno, MX	daily high min (Tie)	20.0 C (68.0 F)	tie	4 years	1 of 100 (Routine)
6 December 2009	San Jose Acateno, MX	daily low min	11.1 C (52.0 F)	0.6 C (1.1 F)	30 years	13 of 100 (Routine)
12 November 2009	San Jose Acateno, MX	daily high min	21.7 C (71.1 F)	1.1 C (2.0 F)	0 years	6 of 100 (Routine)
11 November 2009	San Jose Acateno, MX	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	24 years	11 of 100 (Routine)
11 November 2009	San Jose Acateno, MX	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	8 years	6 of 100 (Routine)
10 November 2009	San Jose Acateno, MX	daily rain	19.8 mm (0.8 in)	1.0 mm (0.04 in)	30 years	12 of 100 (Routine)
10 November 2009	San Jose Acateno, MX	daily high max	36.1 C (97.0 F)	1.1 C (2.0 F)	20 years	11 of 100 (Routine)
1 November 2009	San Jose Acateno, MX	daily low min (Tie)	15.0 C (59.0 F)	tie	2 years	0 of 100 (Routine)
31 October 2009	San Jose Acateno, MX	daily high max	36.1 C (97.0 F)	1.1 C (2.0 F)	18 years	11 of 100 (Routine)
30 October 2009	San Jose Acateno, MX	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	18 years	9 of 100 (Routine)
27 October 2009	San Jose Acateno, MX	daily high min (Tie)	22.2 C (72.0 F)	tie	12 years	1 of 100 (Routine)
26 October 2009	San Jose Acateno, MX	daily rain	29.5 mm (1.2 in)	15.5 mm (0.6 in)	34 years	18 of 100 (Routine)
18 October 2009	San Jose Acateno, MX	daily low max	23.9 C (75.0 F)	1.1 C (2.0 F)	16 years	11 of 100 (Routine)
15 October 2009	San Jose Acateno, MX	daily high max	36.7 C (98.1 F)	1.1 C (2.0 F)	24 years	13 of 100 (Routine)
14 October 2009	San Jose Acateno, MX	daily high max (Tie)	36.1 C (97.0 F)	tie	8 years	1 of 100 (Routine)
10 October 2009	San Jose Acateno, MX	daily rain	181.4 mm (7.1 in)	162.1 mm (6.4 in)	31 years	52 of 100 (Notable)
8 October 2009	San Jose Acateno, MX	daily high max	38.3 C (100.9 F)	2.2 C (4.0 F)	2 years	9 of 100 (Routine)

Climate Trend

15 complete years, 1976 to 2009

One stripe for each of 15 complete years at San Jose Acateno, 1976 to 2009. Blue stripes are years cooler than the station's own mean of 24.9 C (76.8 F); red stripes are warmer. The coolest year was 1976, at 23.1 C (73.7 F), and the warmest was 2009, at 26.1 C (79.0 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at San Jose Acateno as warming stripes, 1976 to 2009
Year	Annual mean temperature	Difference from the station mean
1976	23.1 C	-1.73 C
1978	24.0 C	-0.91 C
1980	24.3 C	-0.56 C
1981	24.5 C	-0.34 C
1982	25.0 C	+0.11 C
1983	24.7 C	-0.14 C
1988	24.8 C	-0.03 C
1990	25.0 C	+0.13 C
1991	26.0 C	+1.08 C
1992	24.3 C	-0.55 C
1997	24.3 C	-0.62 C
2003	25.3 C	+0.43 C
2004	25.7 C	+0.82 C
2005	26.0 C	+1.11 C
2009	26.1 C	+1.24 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

1975 to 2009

Yearly extremes at San Jose Acateno: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	2005	40.0 C (104.0 F)	33
Coldest night (TNn)	1.7 C (35.1 F)	1989	7.8 C (46.0 F)	33
Wettest day (Rx1day)	302.5 mm (11.9 in)	2001	100.3 mm (3.9 in)	33
Wettest five days (Rx5day)	380.1 mm (15.0 in)	1981	167.2 mm (6.6 in)	33
Longest dry spell (CDD)	64 days	1978	28 days	33

Hottest day (TXx)

The hottest day of the year at San Jose Acateno, 1975 to 2009. The record is 45.0 C (113.0 F) in 2005, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at San Jose Acateno by year
Year	Hottest day (TXx)
1975	40.6 C (105.1 F)
1976	36.7 C (98.1 F)
1977	38.9 C (102.0 F)
1978	41.7 C (107.1 F)
1979	38.3 C (100.9 F)
1980	42.8 C (109.0 F)
1981	38.9 C (102.0 F)
1982	36.7 C (98.1 F)
1983	40.6 C (105.1 F)
1984	43.3 C (109.9 F)
1985	38.9 C (102.0 F)
1986	35.6 C (96.1 F)
1987	36.7 C (98.1 F)
1988	38.9 C (102.0 F)
1989	40.0 C (104.0 F)
1990	37.8 C (100.0 F)
1991	41.1 C (106.0 F)
1992	36.7 C (98.1 F)
1993	36.7 C (98.1 F)
1994	40.0 C (104.0 F)
1995	40.6 C (105.1 F)
1996	38.3 C (100.9 F)
1997	37.8 C (100.0 F)
1998	44.4 C (111.9 F)
1999	43.9 C (111.0 F)
2000	40.0 C (104.0 F)
2001	40.6 C (105.1 F)
2003	41.1 C (106.0 F)
2004	41.1 C (106.0 F)
2005	45.0 C (113.0 F)
2007	41.1 C (106.0 F)
2008	42.2 C (108.0 F)
2009	42.2 C (108.0 F)

Coldest night (TNn)

The coldest night of the year at San Jose Acateno, 1975 to 2009. The record is 1.7 C (35.1 F) in 1989, marked on the chart; the median year is 7.8 C (46.0 F).

Coldest night (TNn) at San Jose Acateno by year
Year	Coldest night (TNn)
1975	8.3 C (46.9 F)
1976	6.7 C (44.1 F)
1977	5.6 C (42.1 F)
1978	7.8 C (46.0 F)
1979	6.1 C (43.0 F)
1980	7.2 C (45.0 F)
1981	8.9 C (48.0 F)
1982	8.9 C (48.0 F)
1983	3.3 C (37.9 F)
1984	10.0 C (50.0 F)
1985	5.6 C (42.1 F)
1986	6.7 C (44.1 F)
1987	7.8 C (46.0 F)
1988	8.9 C (48.0 F)
1989	1.7 C (35.1 F)
1990	7.8 C (46.0 F)
1991	5.0 C (41.0 F)
1992	10.0 C (50.0 F)
1993	11.7 C (53.1 F)
1994	7.8 C (46.0 F)
1995	10.0 C (50.0 F)
1996	5.6 C (42.1 F)
1997	5.0 C (41.0 F)
1998	7.8 C (46.0 F)
1999	10.6 C (51.1 F)
2000	8.9 C (48.0 F)
2001	10.6 C (51.1 F)
2003	8.9 C (48.0 F)
2004	7.2 C (45.0 F)
2005	10.0 C (50.0 F)
2007	10.0 C (50.0 F)
2008	8.3 C (46.9 F)
2009	7.8 C (46.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Jose Acateno, 1975 to 2009. The record is 302.5 mm (11.9 in) in 2001, marked on the chart; the median year is 100.3 mm (3.9 in).

Wettest day (Rx1day) at San Jose Acateno by year
Year	Wettest day (Rx1day)
1975	87.1 mm (3.4 in)
1976	120.7 mm (4.8 in)
1977	226.3 mm (8.9 in)
1978	80.3 mm (3.2 in)
1979	116.6 mm (4.6 in)
1980	113.8 mm (4.5 in)
1981	114.3 mm (4.5 in)
1982	184.7 mm (7.3 in)
1983	163.8 mm (6.4 in)
1984	101.6 mm (4.0 in)
1985	106.2 mm (4.2 in)
1986	85.6 mm (3.4 in)
1987	66.3 mm (2.6 in)
1988	56.6 mm (2.2 in)
1989	32.8 mm (1.3 in)
1990	87.6 mm (3.4 in)
1991	76.2 mm (3.0 in)
1992	80.0 mm (3.1 in)
1993	49.3 mm (1.9 in)
1994	99.3 mm (3.9 in)
1995	86.6 mm (3.4 in)
1996	57.9 mm (2.3 in)
1997	127.0 mm (5.0 in)
1998	200.9 mm (7.9 in)
1999	124.0 mm (4.9 in)
2000	129.3 mm (5.1 in)
2001	302.5 mm (11.9 in)
2003	100.3 mm (3.9 in)
2004	69.3 mm (2.7 in)
2005	99.8 mm (3.9 in)
2007	217.2 mm (8.6 in)
2008	73.4 mm (2.9 in)
2009	181.4 mm (7.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Jose Acateno, 1975 to 2009. The record is 380.1 mm (15.0 in) in 1981, marked on the chart; the median year is 167.2 mm (6.6 in).

Wettest five days (Rx5day) at San Jose Acateno by year
Year	Wettest five days (Rx5day)
1975	134.4 mm (5.3 in)
1976	225.5 mm (8.9 in)
1977	273.3 mm (10.8 in)
1978	140.2 mm (5.5 in)
1979	193.3 mm (7.6 in)
1980	169.2 mm (6.7 in)
1981	380.1 mm (15.0 in)
1982	188.3 mm (7.4 in)
1983	169.9 mm (6.7 in)
1984	237.0 mm (9.3 in)
1985	119.5 mm (4.7 in)
1986	118.9 mm (4.7 in)
1987	126.5 mm (5.0 in)
1988	147.3 mm (5.8 in)
1989	54.7 mm (2.2 in)
1990	167.2 mm (6.6 in)
1991	106.8 mm (4.2 in)
1992	162.4 mm (6.4 in)
1993	142.3 mm (5.6 in)
1994	166.0 mm (6.5 in)
1995	133.4 mm (5.3 in)
1996	141.0 mm (5.6 in)
1997	220.7 mm (8.7 in)
1998	343.4 mm (13.5 in)
1999	194.3 mm (7.6 in)
2000	138.7 mm (5.5 in)
2001	347.5 mm (13.7 in)
2003	171.0 mm (6.7 in)
2004	125.0 mm (4.9 in)
2005	279.9 mm (11.0 in)
2007	274.1 mm (10.8 in)
2008	81.5 mm (3.2 in)
2009	288.6 mm (11.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Jose Acateno, 1975 to 2009. The record is 64 days in 1978, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at San Jose Acateno by year
Year	Longest dry spell (CDD)
1975	15 days
1976	27 days
1977	18 days
1978	64 days
1979	17 days
1980	26 days
1981	24 days
1982	34 days
1983	28 days
1984	33 days
1985	23 days
1986	22 days
1987	26 days
1988	24 days
1989	33 days
1990	21 days
1991	34 days
1992	49 days
1993	33 days
1994	25 days
1995	59 days
1996	19 days
1997	22 days
1998	50 days
1999	29 days
2000	20 days
2001	31 days
2003	37 days
2004	39 days
2005	37 days
2007	31 days
2008	31 days
2009	24 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 San Jose Acateno standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Jose Acateno 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 2026-10-15 (15 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).