San Martin Weather Records (MXN00003158)

Record envelope, standing records and threshold days for San Martin (MXN00003158), Mexico, with 33 years of record.

Key Facts for San Martin

San Martin (MXN00003158) is a weather station in Mexico at 26.62 latitude and -112.32 longitude, 350 m (1,148 ft) above sea level.
The station reports from 1980 to 2012, 33 years of record.
1,464 records set at San Martin still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 26.62 latitude, -112.32 longitude.
Elevation: 350 m (1,148 ft).
Period of record: 1980 to 2012, 33 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 San Martin. 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 Martin, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	40.6 C (105.1 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	40.0 C (104.0 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	42.8 C (109.0 F)	-4.4 C (24.1 F)	n/a	n/a
May	43.9 C (111.0 F)	0.6 C (33.1 F)	n/a	n/a
Jun	48.9 C (120.0 F)	1.7 C (35.1 F)	n/a	n/a
Jul	46.7 C (116.1 F)	8.9 C (48.0 F)	n/a	n/a
Aug	48.9 C (120.0 F)	7.8 C (46.0 F)	n/a	n/a
Sep	45.0 C (113.0 F)	6.7 C (44.1 F)	n/a	n/a
Oct	45.0 C (113.0 F)	1.7 C (35.1 F)	n/a	n/a
Nov	40.0 C (104.0 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	36.7 C (98.1 F)	-4.4 C (24.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Martin still stand. 1998 holds the most, with 91.

Standing records at San Martin by the year they were set
Year set	Standing records
1980	22
1981	55
1982	55
1983	31
1984	54
1985	32
1986	46
1987	24
1988	30
1989	12
1990	33
1991	24
1992	46
1993	33
1994	13
1996	3
1997	60
1998	91
1999	87
2000	78
2001	44
2002	49
2003	71
2004	58
2005	42
2006	75
2007	61
2008	57
2009	60
2010	50
2011	38
2012	30

Wettest Day of Each Month

Aug: 184.9 mm (7.3 in)

The wettest day on record for each calendar month at San Martin. The most was 184.9 mm (7.3 in) on 22 August 1992.

Record daily precipitation for each month at San Martin
Month	Record daily precipitation (mm)	Date
Jan	94.0 mm (3.7 in)	5 January 1993
Feb	35.8 mm (1.4 in)	8 February 1993
Mar	43.9 mm (1.7 in)	25 March 1992
Apr	9.9 mm (0.39 in)	2 April 1992
May	0.0 mm (0.00 in)	1 May 1981
Jun	4.3 mm (0.17 in)	1 June 1999
Jul	53.8 mm (2.1 in)	14 July 1984
Aug	184.9 mm (7.3 in)	22 August 1992
Sep	110.0 mm (4.3 in)	1 September 2009
Oct	35.3 mm (1.4 in)	31 October 1990
Nov	25.9 mm (1.0 in)	26 November 2008
Dec	51.8 mm (2.0 in)	27 December 1992

Period of Record Coverage

1980 to 2012

32 years of record at San Martin, 1980 to 2012. 11 years have data for under 90 percent of days and are left out of rankings: 1980, 1983, 1986, 1987, 1989, 1990, 1991, 1994 and others.

Days with data per year at San Martin
Year	Days with data	Share of year	Complete
1980	153	42%	No
1981	334	92%	Yes
1982	337	92%	Yes
1983	248	68%	No
1984	366	100%	Yes
1985	357	98%	Yes
1986	323	88%	No
1987	319	87%	No
1988	336	92%	Yes
1989	153	42%	No
1990	227	62%	No
1991	98	27%	No
1992	366	100%	Yes
1993	355	97%	Yes
1994	220	60%	No
1996	31	8%	No
1997	364	100%	Yes
1998	364	100%	Yes
1999	365	100%	Yes
2000	334	91%	Yes
2001	334	92%	Yes
2002	335	92%	Yes
2003	365	100%	Yes
2004	365	100%	Yes
2005	364	100%	Yes
2006	363	99%	Yes
2007	363	99%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	364	100%	Yes
2011	243	67%	No
2012	182	50%	No

Latest Records

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

Climate Trend

16 complete years, 1984 to 2010

One stripe for each of 16 complete years at San Martin, 1984 to 2010. Blue stripes are years cooler than the station's own mean of 20.9 C (69.6 F); red stripes are warmer. The coolest year was 1998, at 19.5 C (67.1 F), and the warmest was 1986, at 21.9 C (71.3 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at San Martin as warming stripes, 1984 to 2010
Year	Annual mean temperature	Difference from the station mean
1984	20.8 C	-0.07 C
1985	21.0 C	+0.10 C
1986	21.9 C	+0.94 C
1992	20.9 C	-0.05 C
1993	21.2 C	+0.24 C
1997	20.8 C	-0.10 C
1998	19.5 C	-1.42 C
1999	20.9 C	-0.04 C
2003	21.1 C	+0.22 C
2004	20.2 C	-0.67 C
2005	20.9 C	+0.02 C
2006	21.5 C	+0.54 C
2007	20.5 C	-0.37 C
2008	21.4 C	+0.47 C
2009	21.5 C	+0.54 C
2010	20.6 C	-0.30 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

1980 to 2012

Yearly extremes at San Martin: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.9 C (120.0 F)	2003	45.0 C (113.0 F)	32
Coldest night (TNn)	-5.0 C (23.0 F)	2006	-0.3 C (31.6 F)	32
Wettest day (Rx1day)	184.9 mm (7.3 in)	1992	38.8 mm (1.5 in)	32
Wettest five days (Rx5day)	237.6 mm (9.4 in)	2009	44.3 mm (1.7 in)	32
Longest dry spell (CDD)	240 days	1981	125 days	32

Hottest day (TXx)

The hottest day of the year at San Martin, 1980 to 2012. The record is 48.9 C (120.0 F) in 2003, marked on the chart; the median year is 45.0 C (113.0 F).

Hottest day (TXx) at San Martin by year
Year	Hottest day (TXx)
1980	45.0 C (113.0 F)
1981	41.7 C (107.1 F)
1982	42.8 C (109.0 F)
1983	42.2 C (108.0 F)
1984	40.0 C (104.0 F)
1985	43.9 C (111.0 F)
1986	42.8 C (109.0 F)
1987	44.4 C (111.9 F)
1988	41.7 C (107.1 F)
1989	37.8 C (100.0 F)
1990	40.0 C (104.0 F)
1991	41.1 C (106.0 F)
1992	45.0 C (113.0 F)
1993	42.8 C (109.0 F)
1994	41.7 C (107.1 F)
1996	32.8 C (91.0 F)
1997	45.6 C (114.1 F)
1998	47.8 C (118.0 F)
1999	45.6 C (114.1 F)
2000	45.0 C (113.0 F)
2001	45.0 C (113.0 F)
2002	45.6 C (114.1 F)
2003	48.9 C (120.0 F)
2004	43.9 C (111.0 F)
2005	48.9 C (120.0 F)
2006	45.6 C (114.1 F)
2007	45.0 C (113.0 F)
2008	46.7 C (116.1 F)
2009	46.7 C (116.1 F)
2010	46.7 C (116.1 F)
2011	45.6 C (114.1 F)
2012	45.0 C (113.0 F)

Coldest night (TNn)

The coldest night of the year at San Martin, 1980 to 2012. The record is -5.0 C (23.0 F) in 2006, marked on the chart; the median year is -0.3 C (31.6 F).

Coldest night (TNn) at San Martin by year
Year	Coldest night (TNn)
1980	2.8 C (37.0 F)
1981	5.0 C (41.0 F)
1982	0.6 C (33.1 F)
1983	1.7 C (35.1 F)
1984	0.6 C (33.1 F)
1985	0.6 C (33.1 F)
1986	1.7 C (35.1 F)
1987	0.6 C (33.1 F)
1988	1.7 C (35.1 F)
1989	0.6 C (33.1 F)
1990	2.8 C (37.0 F)
1991	2.8 C (37.0 F)
1992	1.7 C (35.1 F)
1993	2.8 C (37.0 F)
1994	0.6 C (33.1 F)
1996	1.1 C (34.0 F)
1997	-1.1 C (30.0 F)
1998	-3.3 C (26.1 F)
1999	-3.3 C (26.1 F)
2000	-3.3 C (26.1 F)
2001	-1.1 C (30.0 F)
2002	-1.1 C (30.0 F)
2003	-2.2 C (28.0 F)
2004	-3.3 C (26.1 F)
2005	-1.1 C (30.0 F)
2006	-5.0 C (23.0 F)
2007	-5.0 C (23.0 F)
2008	-4.4 C (24.1 F)
2009	-3.3 C (26.1 F)
2010	-1.1 C (30.0 F)
2011	-3.3 C (26.1 F)
2012	-4.4 C (24.1 F)

Wettest day (Rx1day)

The wettest day of the year at San Martin, 1980 to 2012. The record is 184.9 mm (7.3 in) in 1992, marked on the chart; the median year is 38.8 mm (1.5 in).

Wettest day (Rx1day) at San Martin by year
Year	Wettest day (Rx1day)
1980	33.8 mm (1.3 in)
1981	49.8 mm (2.0 in)
1982	37.8 mm (1.5 in)
1983	42.9 mm (1.7 in)
1984	53.8 mm (2.1 in)
1985	30.0 mm (1.2 in)
1986	34.8 mm (1.4 in)
1987	41.9 mm (1.6 in)
1988	30.0 mm (1.2 in)
1989	39.9 mm (1.6 in)
1990	53.8 mm (2.1 in)
1991	27.9 mm (1.1 in)
1992	184.9 mm (7.3 in)
1993	94.0 mm (3.7 in)
1994	10.9 mm (0.4 in)
1996	0.0 mm (0.00 in)
1997	39.9 mm (1.6 in)
1998	33.3 mm (1.3 in)
1999	19.8 mm (0.8 in)
2000	46.0 mm (1.8 in)
2001	27.9 mm (1.1 in)
2002	33.3 mm (1.3 in)
2003	52.8 mm (2.1 in)
2004	68.8 mm (2.7 in)
2005	27.9 mm (1.1 in)
2006	57.9 mm (2.3 in)
2007	45.5 mm (1.8 in)
2008	99.8 mm (3.9 in)
2009	110.0 mm (4.3 in)
2010	17.3 mm (0.7 in)
2011	6.9 mm (0.27 in)
2012	19.8 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Martin, 1980 to 2012. The record is 237.6 mm (9.4 in) in 2009, marked on the chart; the median year is 44.3 mm (1.7 in).

Wettest five days (Rx5day) at San Martin by year
Year	Wettest five days (Rx5day)
1980	33.8 mm (1.3 in)
1981	49.8 mm (2.0 in)
1982	37.8 mm (1.5 in)
1983	55.6 mm (2.2 in)
1984	115.5 mm (4.5 in)
1985	33.8 mm (1.3 in)
1986	41.7 mm (1.6 in)
1987	75.7 mm (3.0 in)
1988	31.8 mm (1.3 in)
1989	39.9 mm (1.6 in)
1990	90.7 mm (3.6 in)
1991	33.7 mm (1.3 in)
1992	206.7 mm (8.1 in)
1993	124.2 mm (4.9 in)
1994	10.9 mm (0.4 in)
1996	0.0 mm (0.00 in)
1997	86.7 mm (3.4 in)
1998	54.0 mm (2.1 in)
1999	19.8 mm (0.8 in)
2000	89.7 mm (3.5 in)
2001	27.9 mm (1.1 in)
2002	33.3 mm (1.3 in)
2003	77.7 mm (3.1 in)
2004	89.9 mm (3.5 in)
2005	43.1 mm (1.7 in)
2006	85.6 mm (3.4 in)
2007	45.5 mm (1.8 in)
2008	142.0 mm (5.6 in)
2009	237.6 mm (9.4 in)
2010	23.9 mm (0.9 in)
2011	6.9 mm (0.27 in)
2012	26.7 mm (1.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Martin, 1980 to 2012. The record is 240 days in 1981, marked on the chart; the median year is 125 days.

Longest dry spell (CDD) at San Martin by year
Year	Longest dry spell (CDD)
1980	100 days
1981	240 days
1982	139 days
1983	110 days
1984	186 days
1985	172 days
1986	61 days
1987	64 days
1988	106 days
1989	45 days
1990	70 days
1991	67 days
1992	93 days
1993	186 days
1994	59 days
1996	31 days
1997	159 days
1998	114 days
1999	151 days
2000	75 days
2001	124 days
2002	123 days
2003	126 days
2004	129 days
2005	161 days
2006	183 days
2007	205 days
2008	170 days
2009	119 days
2010	154 days
2011	157 days
2012	143 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 Martin standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Martin 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 2026-10-16 (16 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).