San Isidro de Los Gonzalez Weather Records (MXN00032100)

Record envelope, standing records and threshold days for San Isidro de Los Gonzalez (MXN00032100), Mexico, with 37 years of record.

Key Facts for San Isidro de Los Gonzalez

San Isidro de Los Gonzalez (MXN00032100) is a weather station in Mexico at 22.83 latitude and -103.37 longitude, 2,037 m (6,683 ft) above sea level.
The station reports from 1976 to 2012, 37 years of record.
1,464 records set at San Isidro de Los Gonzalez still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
San Isidro de Los Gonzalez set a daily record precipitation of 16.8 mm (0.7 in) on 31 December 2012.

About the Station

Location: Mexico, 22.83 latitude, -103.37 longitude.
Elevation: 2,037 m (6,683 ft).
Period of record: 1976 to 2012, 37 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 Isidro de Los Gonzalez. 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 Isidro de Los Gonzalez, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.2 C (81.0 F)	-9.4 C (15.1 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-7.8 C (18.0 F)	n/a	n/a
Mar	31.7 C (89.1 F)	-6.7 C (19.9 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-5.0 C (23.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Jul	33.9 C (93.0 F)	5.0 C (41.0 F)	n/a	n/a
Aug	30.0 C (86.0 F)	5.0 C (41.0 F)	n/a	n/a
Sep	32.2 C (90.0 F)	2.2 C (36.0 F)	n/a	n/a
Oct	35.0 C (95.0 F)	-4.4 C (24.1 F)	n/a	n/a
Nov	30.6 C (87.1 F)	-9.4 C (15.1 F)	n/a	n/a
Dec	30.0 C (86.0 F)	-9.4 C (15.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Isidro de Los Gonzalez still stand. 1998 holds the most, with 86.

Standing records at San Isidro de Los Gonzalez by the year they were set
Year set	Standing records
1976	51
1977	36
1978	56
1979	52
1980	29
1981	30
1982	26
1983	36
1984	58
1985	43
1986	36
1987	68
1988	50
1989	43
1990	31
1991	36
1992	73
1993	29
1994	41
1995	55
1996	41
1997	74
1998	86
1999	69
2000	39
2003	50
2004	18
2006	31
2007	20
2009	39
2010	37
2011	45
2012	36

Wettest Day of Each Month

Sep: 71.9 mm (2.8 in)

The wettest day on record for each calendar month at San Isidro de Los Gonzalez. The most was 71.9 mm (2.8 in) on 27 September 1978.

Record daily precipitation for each month at San Isidro de Los Gonzalez
Month	Record daily precipitation (mm)	Date
Jan	46.5 mm (1.8 in)	12 January 1987
Feb	44.5 mm (1.8 in)	12 February 2002
Mar	18.3 mm (0.7 in)	2 March 2001
Apr	15.0 mm (0.6 in)	3 April 1997
May	30.0 mm (1.2 in)	26 May 1986
Jun	41.9 mm (1.6 in)	29 June 2004
Jul	56.9 mm (2.2 in)	24 July 1985
Aug	62.0 mm (2.4 in)	7 August 1983
Sep	71.9 mm (2.8 in)	27 September 1978
Oct	46.0 mm (1.8 in)	25 October 2002
Nov	40.9 mm (1.6 in)	30 November 2009
Dec	35.8 mm (1.4 in)	2 December 1979

Period of Record Coverage

1976 to 2012

33 years of record at San Isidro de Los Gonzalez, 1976 to 2012. 8 years have data for under 90 percent of days and are left out of rankings: 1976, 1980, 1981, 1982, 1986, 1991, 2003, 2004.

Days with data per year at San Isidro de Los Gonzalez
Year	Days with data	Share of year	Complete
1976	213	58%	No
1977	364	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	245	67%	No
1981	246	67%	No
1982	303	83%	No
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	273	75%	No
1987	364	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	304	83%	No
1992	365	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	364	100%	Yes
1998	365	100%	Yes
1999	363	99%	Yes
2000	366	100%	Yes
2003	306	84%	No
2004	182	50%	No
2006	364	100%	Yes
2007	365	100%	Yes
2009	363	99%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes

Latest Records

Latest records at San Isidro de Los Gonzalez
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2012	San Isidro de Los Gonzalez, MX	daily rain	16.8 mm (0.7 in)	5.9 mm (0.23 in)	23 years	18 of 100 (Routine)
6 December 2012	San Isidro de Los Gonzalez, MX	daily high max (Tie)	25.6 C (78.1 F)	tie	19 years	2 of 100 (Routine)
30 November 2012	San Isidro de Los Gonzalez, MX	daily high max (Tie)	25.6 C (78.1 F)	tie	14 years	1 of 100 (Routine)
24 November 2012	San Isidro de Los Gonzalez, MX	daily high min	7.8 C (46.0 F)	0.6 C (1.1 F)	36 years	14 of 100 (Routine)
24 November 2012	San Isidro de Los Gonzalez, MX	daily rain	14.0 mm (0.6 in)	1.0 mm (0.04 in)	36 years	14 of 100 (Routine)
23 November 2012	San Isidro de Los Gonzalez, MX	daily rain	32.8 mm (1.3 in)	30.5 mm (1.2 in)	28 years	42 of 100 (Notable)
20 November 2012	San Isidro de Los Gonzalez, MX	daily high max (Tie)	27.8 C (82.0 F)	tie	15 years	1 of 100 (Routine)
30 October 2012	San Isidro de Los Gonzalez, MX	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	36 years	15 of 100 (Routine)
26 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.0 C (86.0 F)	2.2 C (4.0 F)	14 years	13 of 100 (Routine)
25 October 2012	San Isidro de Los Gonzalez, MX	daily high max	31.1 C (88.0 F)	1.7 C (3.1 F)	18 years	12 of 100 (Routine)
24 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.6 C (87.1 F)	1.7 C (3.1 F)	18 years	12 of 100 (Routine)
23 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	18 years	9 of 100 (Routine)
22 October 2012	San Isidro de Los Gonzalez, MX	daily high max (Tie)	30.0 C (86.0 F)	tie	18 years	2 of 100 (Routine)
21 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.6 C (87.1 F)	1.2 C (2.2 F)	14 years	10 of 100 (Routine)
20 October 2012	San Isidro de Los Gonzalez, MX	daily high max (Tie)	30.0 C (86.0 F)	tie	18 years	2 of 100 (Routine)
15 October 2012	San Isidro de Los Gonzalez, MX	daily high min	12.8 C (55.0 F)	1.1 C (2.0 F)	6 years	7 of 100 (Routine)
13 October 2012	San Isidro de Los Gonzalez, MX	daily rain	19.3 mm (0.8 in)	4.8 mm (0.19 in)	9 years	11 of 100 (Routine)
12 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.0 C (86.0 F)	2.2 C (4.0 F)	6 years	10 of 100 (Routine)
11 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.0 C (86.0 F)	1.7 C (3.1 F)	6 years	8 of 100 (Routine)
10 October 2012	San Isidro de Los Gonzalez, MX	daily high max	30.0 C (86.0 F)	1.7 C (3.1 F)	6 years	8 of 100 (Routine)

Climate Trend

25 complete years, 1977 to 2012

One stripe for each of 25 complete years at San Isidro de Los Gonzalez, 1977 to 2012. Blue stripes are years cooler than the station's own mean of 14.0 C (57.2 F); red stripes are warmer. The coolest year was 1987, at 12.0 C (53.7 F), and the warmest was 1998, at 15.9 C (60.6 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at San Isidro de Los Gonzalez as warming stripes, 1977 to 2012
Year	Annual mean temperature	Difference from the station mean
1977	14.5 C	+0.48 C
1978	14.2 C	+0.25 C
1979	13.8 C	-0.18 C
1983	13.0 C	-0.97 C
1984	12.6 C	-1.42 C
1985	12.9 C	-1.06 C
1987	12.0 C	-1.94 C
1988	12.8 C	-1.21 C
1989	13.2 C	-0.82 C
1990	13.0 C	-0.98 C
1992	12.6 C	-1.35 C
1993	13.5 C	-0.45 C
1994	14.1 C	+0.11 C
1995	12.7 C	-1.29 C
1996	12.5 C	-1.48 C
1997	13.8 C	-0.15 C
1998	15.9 C	+1.93 C
1999	15.6 C	+1.62 C
2000	15.4 C	+1.41 C
2006	15.4 C	+1.44 C
2007	15.0 C	+1.01 C
2009	15.5 C	+1.50 C
2010	14.3 C	+0.37 C
2011	15.3 C	+1.34 C
2012	15.9 C	+1.90 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

1976 to 2012

Yearly extremes at San Isidro de Los Gonzalez: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	2003	32.2 C (90.0 F)	33
Coldest night (TNn)	-9.4 C (15.1 F)	1997	-6.1 C (21.0 F)	33
Wettest day (Rx1day)	71.9 mm (2.8 in)	1978	35.8 mm (1.4 in)	35
Wettest five days (Rx5day)	115.4 mm (4.5 in)	2006	67.8 mm (2.7 in)	35
Longest dry spell (CDD)	155 days	1999	89 days	35

Hottest day (TXx)

The hottest day of the year at San Isidro de Los Gonzalez, 1976 to 2012. The record is 36.1 C (97.0 F) in 2003, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at San Isidro de Los Gonzalez by year
Year	Hottest day (TXx)
1976	31.7 C (89.1 F)
1977	30.0 C (86.0 F)
1978	30.6 C (87.1 F)
1979	30.0 C (86.0 F)
1980	30.0 C (86.0 F)
1981	28.3 C (82.9 F)
1982	35.0 C (95.0 F)
1983	32.2 C (90.0 F)
1984	28.9 C (84.0 F)
1985	32.2 C (90.0 F)
1986	31.7 C (89.1 F)
1987	30.0 C (86.0 F)
1988	35.0 C (95.0 F)
1989	33.9 C (93.0 F)
1990	31.1 C (88.0 F)
1991	32.2 C (90.0 F)
1992	33.9 C (93.0 F)
1993	32.8 C (91.0 F)
1994	32.2 C (90.0 F)
1995	32.8 C (91.0 F)
1996	31.7 C (89.1 F)
1997	32.2 C (90.0 F)
1998	35.6 C (96.1 F)
1999	35.0 C (95.0 F)
2000	32.8 C (91.0 F)
2001	n/a
2002	n/a
2003	36.1 C (97.0 F)
2004	32.2 C (90.0 F)
2006	32.8 C (91.0 F)
2007	32.8 C (91.0 F)
2009	33.9 C (93.0 F)
2010	33.9 C (93.0 F)
2011	35.6 C (96.1 F)
2012	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at San Isidro de Los Gonzalez, 1976 to 2012. The record is -9.4 C (15.1 F) in 1997, marked on the chart; the median year is -6.1 C (21.0 F).

Coldest night (TNn) at San Isidro de Los Gonzalez by year
Year	Coldest night (TNn)
1976	-3.3 C (26.1 F)
1977	-2.2 C (28.0 F)
1978	-5.0 C (23.0 F)
1979	-5.6 C (21.9 F)
1980	-2.2 C (28.0 F)
1981	-3.3 C (26.1 F)
1982	-5.6 C (21.9 F)
1983	-5.0 C (23.0 F)
1984	-5.0 C (23.0 F)
1985	-6.7 C (19.9 F)
1986	-5.6 C (21.9 F)
1987	-6.7 C (19.9 F)
1988	-7.2 C (19.0 F)
1989	-5.6 C (21.9 F)
1990	-5.0 C (23.0 F)
1991	-7.8 C (18.0 F)
1992	-6.1 C (21.0 F)
1993	-7.2 C (19.0 F)
1994	-8.3 C (17.1 F)
1995	-6.7 C (19.9 F)
1996	-7.2 C (19.0 F)
1997	-9.4 C (15.1 F)
1998	-8.3 C (17.1 F)
1999	-8.9 C (16.0 F)
2000	-6.1 C (21.0 F)
2001	n/a
2002	n/a
2003	-6.7 C (19.9 F)
2004	-6.1 C (21.0 F)
2006	-8.9 C (16.0 F)
2007	-5.6 C (21.9 F)
2009	-6.1 C (21.0 F)
2010	-6.1 C (21.0 F)
2011	-9.4 C (15.1 F)
2012	-7.2 C (19.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Isidro de Los Gonzalez, 1976 to 2012. The record is 71.9 mm (2.8 in) in 1978, marked on the chart; the median year is 35.8 mm (1.4 in).

Wettest day (Rx1day) at San Isidro de Los Gonzalez by year
Year	Wettest day (Rx1day)
1976	35.8 mm (1.4 in)
1977	29.0 mm (1.1 in)
1978	71.9 mm (2.8 in)
1979	35.8 mm (1.4 in)
1980	34.8 mm (1.4 in)
1981	49.8 mm (2.0 in)
1982	32.8 mm (1.3 in)
1983	62.0 mm (2.4 in)
1984	30.2 mm (1.2 in)
1985	56.9 mm (2.2 in)
1986	43.9 mm (1.7 in)
1987	46.5 mm (1.8 in)
1988	30.0 mm (1.2 in)
1989	26.4 mm (1.0 in)
1990	31.8 mm (1.3 in)
1991	20.8 mm (0.8 in)
1992	27.4 mm (1.1 in)
1993	32.3 mm (1.3 in)
1994	33.8 mm (1.3 in)
1995	39.9 mm (1.6 in)
1996	29.5 mm (1.2 in)
1997	37.3 mm (1.5 in)
1998	53.3 mm (2.1 in)
1999	24.9 mm (1.0 in)
2000	43.7 mm (1.7 in)
2001	35.6 mm (1.4 in)
2002	46.0 mm (1.8 in)
2003	29.0 mm (1.1 in)
2004	41.9 mm (1.6 in)
2006	49.3 mm (1.9 in)
2007	39.9 mm (1.6 in)
2009	40.9 mm (1.6 in)
2010	39.9 mm (1.6 in)
2011	30.0 mm (1.2 in)
2012	53.8 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Isidro de Los Gonzalez, 1976 to 2012. The record is 115.4 mm (4.5 in) in 2006, marked on the chart; the median year is 67.8 mm (2.7 in).

Wettest five days (Rx5day) at San Isidro de Los Gonzalez by year
Year	Wettest five days (Rx5day)
1976	95.9 mm (3.8 in)
1977	76.2 mm (3.0 in)
1978	95.8 mm (3.8 in)
1979	55.9 mm (2.2 in)
1980	56.9 mm (2.2 in)
1981	80.3 mm (3.2 in)
1982	56.9 mm (2.2 in)
1983	79.2 mm (3.1 in)
1984	66.1 mm (2.6 in)
1985	113.9 mm (4.5 in)
1986	74.4 mm (2.9 in)
1987	83.3 mm (3.3 in)
1988	80.8 mm (3.2 in)
1989	62.9 mm (2.5 in)
1990	79.8 mm (3.1 in)
1991	49.6 mm (2.0 in)
1992	97.2 mm (3.8 in)
1993	52.1 mm (2.1 in)
1994	64.7 mm (2.5 in)
1995	88.9 mm (3.5 in)
1996	59.0 mm (2.3 in)
1997	59.4 mm (2.3 in)
1998	64.7 mm (2.5 in)
1999	50.6 mm (2.0 in)
2000	59.7 mm (2.4 in)
2001	51.1 mm (2.0 in)
2002	67.4 mm (2.7 in)
2003	70.4 mm (2.8 in)
2004	73.4 mm (2.9 in)
2006	115.4 mm (4.5 in)
2007	56.7 mm (2.2 in)
2009	68.9 mm (2.7 in)
2010	83.3 mm (3.3 in)
2011	64.5 mm (2.5 in)
2012	67.8 mm (2.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Isidro de Los Gonzalez, 1976 to 2012. The record is 155 days in 1999, marked on the chart; the median year is 89 days.

Longest dry spell (CDD) at San Isidro de Los Gonzalez by year
Year	Longest dry spell (CDD)
1976	25 days
1977	128 days
1978	89 days
1979	104 days
1980	97 days
1981	32 days
1982	105 days
1983	71 days
1984	104 days
1985	81 days
1986	83 days
1987	79 days
1988	51 days
1989	146 days
1990	88 days
1991	91 days
1992	59 days
1993	82 days
1994	87 days
1995	118 days
1996	110 days
1997	49 days
1998	111 days
1999	155 days
2000	89 days
2001	69 days
2002	81 days
2003	114 days
2004	39 days
2006	106 days
2007	120 days
2009	127 days
2010	80 days
2011	122 days
2012	49 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.

Frost Dates and Growing Season

25 years with a frost

Across 25 years with a frost, the median last spring frost at San Isidro de Los Gonzalez falls on 25 April and the median first autumn frost on 2 November, which leaves a median of 190 days between them.

Fitted over all years, the growing season changes by -11.3 days per decade at this station.

Frost dates and growing season at San Isidro de Los Gonzalez
Measure	Median, all years	Earliest period	Recent period (1977 to 2012)	Recent against earliest	Fitted trend
Last spring frost	25 April	n/a	25 April	n/a	+10.3 days per decade
First autumn frost	2 November	n/a	2 November	n/a	-1.1 days per decade
Growing days	190 days	n/a	190 days	n/a	-11.3 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for San Isidro de Los Gonzalez standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Isidro de Los Gonzalez 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 2026-10-14 (14 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).