San Lorenzo Weather Records (MXN00028195)

Record envelope, standing records and threshold days for San Lorenzo (MXN00028195), Mexico, with 32 years of record.

Key Facts for San Lorenzo

San Lorenzo (MXN00028195) is a weather station in Mexico at 22.93 latitude and -98.80 longitude, 113 m (370 ft) above sea level.
The station reports from 1980 to 2011, 32 years of record.
1,464 records set at San Lorenzo still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 22.93 latitude, -98.80 longitude.
Elevation: 113 m (370 ft).
Period of record: 1980 to 2011, 32 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 Lorenzo. 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 Lorenzo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	33.9 C (93.0 F)	1.7 C (35.1 F)	n/a	n/a
Feb	38.3 C (100.9 F)	1.7 C (35.1 F)	n/a	n/a
Mar	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
Apr	46.1 C (115.0 F)	8.9 C (48.0 F)	n/a	n/a
May	45.0 C (113.0 F)	13.9 C (57.0 F)	n/a	n/a
Jun	42.8 C (109.0 F)	18.9 C (66.0 F)	n/a	n/a
Jul	40.0 C (104.0 F)	20.0 C (68.0 F)	n/a	n/a
Aug	39.4 C (102.9 F)	18.9 C (66.0 F)	n/a	n/a
Sep	40.6 C (105.1 F)	13.9 C (57.0 F)	n/a	n/a
Oct	37.2 C (99.0 F)	8.9 C (48.0 F)	n/a	n/a
Nov	35.0 C (95.0 F)	3.9 C (39.0 F)	n/a	n/a
Dec	35.0 C (95.0 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Lorenzo still stand. 1982 holds the most, with 103.

Standing records at San Lorenzo by the year they were set
Year set	Standing records
1980	61
1981	79
1982	103
1983	63
1984	75
1985	47
1986	34
1987	46
1988	43
1989	86
1990	39
1991	56
1992	48
1993	40
1994	32
1995	51
1996	56
1997	51
1998	47
1999	32
2000	45
2001	27
2002	20
2003	36
2004	33
2005	34
2006	30
2007	34
2008	28
2009	48
2011	40

Wettest Day of Each Month

Aug: 195.3 mm (7.7 in)

The wettest day on record for each calendar month at San Lorenzo. The most was 195.3 mm (7.7 in) on 31 August 1994.

Record daily precipitation for each month at San Lorenzo
Month	Record daily precipitation (mm)	Date
Jan	142.7 mm (5.6 in)	21 January 1994
Feb	40.9 mm (1.6 in)	25 February 1983
Mar	22.6 mm (0.9 in)	15 March 2004
Apr	107.4 mm (4.2 in)	2 April 1990
May	77.5 mm (3.1 in)	2 May 1985
Jun	120.4 mm (4.7 in)	7 June 2004
Jul	190.0 mm (7.5 in)	7 July 1990
Aug	195.3 mm (7.7 in)	31 August 1994
Sep	130.6 mm (5.1 in)	20 September 1993
Oct	152.4 mm (6.0 in)	5 October 2000
Nov	61.7 mm (2.4 in)	19 November 2001
Dec	23.9 mm (0.9 in)	2 December 1984

Period of Record Coverage

1980 to 2011

31 years of record at San Lorenzo, 1980 to 2011. 3 years have data for under 90 percent of days and are left out of rankings: 1980, 1988, 2009.

Days with data per year at San Lorenzo
Year	Days with data	Share of year	Complete
1980	163	45%	No
1981	363	99%	Yes
1982	358	98%	Yes
1983	361	99%	Yes
1984	364	99%	Yes
1985	364	100%	Yes
1986	335	92%	Yes
1987	333	91%	Yes
1988	304	83%	No
1989	365	100%	Yes
1990	365	100%	Yes
1991	364	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	364	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	349	96%	Yes
1998	365	100%	Yes
1999	364	100%	Yes
2000	336	92%	Yes
2001	365	100%	Yes
2002	363	99%	Yes
2003	364	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	334	92%	Yes
2007	353	97%	Yes
2008	330	90%	Yes
2009	303	83%	No
2011	362	99%	Yes

Latest Records

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

Climate Trend

22 complete years, 1981 to 2011

One stripe for each of 22 complete years at San Lorenzo, 1981 to 2011. Blue stripes are years cooler than the station's own mean of 24.2 C (75.6 F); red stripes are warmer. The coolest year was 1989, at 23.4 C (74.1 F), and the warmest was 1998, at 25.3 C (77.5 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at San Lorenzo as warming stripes, 1981 to 2011
Year	Annual mean temperature	Difference from the station mean
1981	24.4 C	+0.18 C
1982	24.8 C	+0.56 C
1983	24.3 C	+0.02 C
1984	24.1 C	-0.19 C
1985	24.1 C	-0.14 C
1989	23.4 C	-0.88 C
1990	24.2 C	-0.09 C
1991	24.1 C	-0.12 C
1992	23.7 C	-0.60 C
1993	23.9 C	-0.33 C
1994	24.1 C	-0.13 C
1995	24.4 C	+0.18 C
1996	24.2 C	-0.05 C
1998	25.3 C	+1.05 C
1999	24.6 C	+0.39 C
2001	24.1 C	-0.17 C
2002	24.0 C	-0.26 C
2003	24.2 C	-0.04 C
2004	24.3 C	+0.01 C
2005	24.4 C	+0.18 C
2007	23.9 C	-0.40 C
2011	25.0 C	+0.73 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 2011

Yearly extremes at San Lorenzo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.1 C (115.0 F)	1984	40.0 C (104.0 F)	31
Coldest night (TNn)	-5.0 C (23.0 F)	1989	5.0 C (41.0 F)	31
Wettest day (Rx1day)	195.3 mm (7.7 in)	1994	99.8 mm (3.9 in)	31
Wettest five days (Rx5day)	279.5 mm (11.0 in)	2008	151.6 mm (6.0 in)	31
Longest dry spell (CDD)	119 days	2011	56 days	31

Hottest day (TXx)

The hottest day of the year at San Lorenzo, 1980 to 2011. The record is 46.1 C (115.0 F) in 1984, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at San Lorenzo by year
Year	Hottest day (TXx)
1980	40.0 C (104.0 F)
1981	40.0 C (104.0 F)
1982	40.0 C (104.0 F)
1983	41.1 C (106.0 F)
1984	46.1 C (115.0 F)
1985	36.7 C (98.1 F)
1986	40.0 C (104.0 F)
1987	39.4 C (102.9 F)
1988	38.3 C (100.9 F)
1989	38.9 C (102.0 F)
1990	38.9 C (102.0 F)
1991	41.7 C (107.1 F)
1992	36.7 C (98.1 F)
1993	37.8 C (100.0 F)
1994	37.8 C (100.0 F)
1995	40.0 C (104.0 F)
1996	37.8 C (100.0 F)
1997	37.8 C (100.0 F)
1998	45.0 C (113.0 F)
1999	45.0 C (113.0 F)
2000	40.6 C (105.1 F)
2001	40.0 C (104.0 F)
2002	37.2 C (99.0 F)
2003	40.0 C (104.0 F)
2004	39.4 C (102.9 F)
2005	38.9 C (102.0 F)
2006	40.6 C (105.1 F)
2007	37.8 C (100.0 F)
2008	40.6 C (105.1 F)
2009	40.6 C (105.1 F)
2011	42.8 C (109.0 F)

Coldest night (TNn)

The coldest night of the year at San Lorenzo, 1980 to 2011. The record is -5.0 C (23.0 F) in 1989, marked on the chart; the median year is 5.0 C (41.0 F).

Coldest night (TNn) at San Lorenzo by year
Year	Coldest night (TNn)
1980	5.0 C (41.0 F)
1981	5.0 C (41.0 F)
1982	5.0 C (41.0 F)
1983	-0.6 C (30.9 F)
1984	3.9 C (39.0 F)
1985	3.9 C (39.0 F)
1986	7.2 C (45.0 F)
1987	6.7 C (44.1 F)
1988	6.7 C (44.1 F)
1989	-5.0 C (23.0 F)
1990	7.2 C (45.0 F)
1991	8.9 C (48.0 F)
1992	6.7 C (44.1 F)
1993	3.9 C (39.0 F)
1994	6.7 C (44.1 F)
1995	8.3 C (46.9 F)
1996	5.0 C (41.0 F)
1997	1.1 C (34.0 F)
1998	6.1 C (43.0 F)
1999	5.6 C (42.1 F)
2000	1.7 C (35.1 F)
2001	5.0 C (41.0 F)
2002	6.7 C (44.1 F)
2003	5.6 C (42.1 F)
2004	1.7 C (35.1 F)
2005	5.6 C (42.1 F)
2006	6.1 C (43.0 F)
2007	4.4 C (39.9 F)
2008	5.0 C (41.0 F)
2009	5.6 C (42.1 F)
2011	2.8 C (37.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Lorenzo, 1980 to 2011. The record is 195.3 mm (7.7 in) in 1994, marked on the chart; the median year is 99.8 mm (3.9 in).

Wettest day (Rx1day) at San Lorenzo by year
Year	Wettest day (Rx1day)
1980	126.0 mm (5.0 in)
1981	79.8 mm (3.1 in)
1982	99.8 mm (3.9 in)
1983	62.0 mm (2.4 in)
1984	62.0 mm (2.4 in)
1985	77.5 mm (3.1 in)
1986	113.8 mm (4.5 in)
1987	99.8 mm (3.9 in)
1988	107.4 mm (4.2 in)
1989	109.5 mm (4.3 in)
1990	190.0 mm (7.5 in)
1991	83.8 mm (3.3 in)
1992	86.9 mm (3.4 in)
1993	130.6 mm (5.1 in)
1994	195.3 mm (7.7 in)
1995	75.9 mm (3.0 in)
1996	58.2 mm (2.3 in)
1997	128.8 mm (5.1 in)
1998	44.5 mm (1.8 in)
1999	103.9 mm (4.1 in)
2000	152.4 mm (6.0 in)
2001	63.5 mm (2.5 in)
2002	83.6 mm (3.3 in)
2003	113.5 mm (4.5 in)
2004	120.4 mm (4.7 in)
2005	79.5 mm (3.1 in)
2006	35.3 mm (1.4 in)
2007	87.9 mm (3.5 in)
2008	106.2 mm (4.2 in)
2009	46.5 mm (1.8 in)
2011	109.0 mm (4.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Lorenzo, 1980 to 2011. The record is 279.5 mm (11.0 in) in 2008, marked on the chart; the median year is 151.6 mm (6.0 in).

Wettest five days (Rx5day) at San Lorenzo by year
Year	Wettest five days (Rx5day)
1980	151.6 mm (6.0 in)
1981	194.7 mm (7.7 in)
1982	157.2 mm (6.2 in)
1983	87.0 mm (3.4 in)
1984	80.8 mm (3.2 in)
1985	113.0 mm (4.4 in)
1986	152.7 mm (6.0 in)
1987	129.0 mm (5.1 in)
1988	187.0 mm (7.4 in)
1989	121.9 mm (4.8 in)
1990	214.9 mm (8.5 in)
1991	178.4 mm (7.0 in)
1992	139.7 mm (5.5 in)
1993	206.0 mm (8.1 in)
1994	272.9 mm (10.7 in)
1995	86.6 mm (3.4 in)
1996	109.4 mm (4.3 in)
1997	217.2 mm (8.6 in)
1998	72.7 mm (2.9 in)
1999	236.0 mm (9.3 in)
2000	202.5 mm (8.0 in)
2001	142.8 mm (5.6 in)
2002	131.9 mm (5.2 in)
2003	147.0 mm (5.8 in)
2004	225.4 mm (8.9 in)
2005	149.9 mm (5.9 in)
2006	66.6 mm (2.6 in)
2007	236.8 mm (9.3 in)
2008	279.5 mm (11.0 in)
2009	84.8 mm (3.3 in)
2011	161.1 mm (6.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Lorenzo, 1980 to 2011. The record is 119 days in 2011, marked on the chart; the median year is 56 days.

Longest dry spell (CDD) at San Lorenzo by year
Year	Longest dry spell (CDD)
1980	50 days
1981	52 days
1982	48 days
1983	73 days
1984	74 days
1985	52 days
1986	65 days
1987	41 days
1988	31 days
1989	56 days
1990	91 days
1991	60 days
1992	34 days
1993	58 days
1994	28 days
1995	57 days
1996	84 days
1997	31 days
1998	45 days
1999	83 days
2000	56 days
2001	103 days
2002	35 days
2003	72 days
2004	55 days
2005	47 days
2006	85 days
2007	43 days
2008	66 days
2009	94 days
2011	119 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 Lorenzo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Lorenzo 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).