San Lorenzo Weather Records (MXN00008127)

Record envelope, standing records and threshold days for San Lorenzo (MXN00008127), Mexico, with 33 years of record.

Key Facts for San Lorenzo

San Lorenzo (MXN00008127) is a weather station in Mexico at 28.15 latitude and -106.47 longitude, 1,600 m (5,249 ft) above sea level.
The station reports from 1961 to 1993, 33 years of record.
1,464 records set at San Lorenzo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 28.15 latitude, -106.47 longitude.
Elevation: 1,600 m (5,249 ft).
Period of record: 1961 to 1993, 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 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	31.7 C (89.1 F)	-10.0 C (14.0 F)	n/a	n/a
Feb	31.7 C (89.1 F)	-10.0 C (14.0 F)	n/a	n/a
Mar	33.9 C (93.0 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	35.6 C (96.1 F)	-6.1 C (21.0 F)	n/a	n/a
May	38.9 C (102.0 F)	1.7 C (35.1 F)	n/a	n/a
Jun	40.0 C (104.0 F)	5.6 C (42.1 F)	n/a	n/a
Jul	40.0 C (104.0 F)	6.7 C (44.1 F)	n/a	n/a
Aug	40.0 C (104.0 F)	7.8 C (46.0 F)	n/a	n/a
Sep	38.9 C (102.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	35.0 C (95.0 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	32.8 C (91.0 F)	-10.0 C (14.0 F)	n/a	n/a
Dec	30.0 C (86.0 F)	-11.1 C (12.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Lorenzo still stand. 1963 holds the most, with 167.

Standing records at San Lorenzo by the year they were set
Year set	Standing records
1961	54
1962	59
1963	167
1964	66
1965	80
1966	89
1967	13
1969	32
1970	116
1971	110
1972	43
1973	128
1974	96
1975	52
1976	71
1977	40
1978	40
1979	38
1980	51
1981	32
1982	44
1983	39
1993	4

Wettest Day of Each Month

Sep: 89.9 mm (3.5 in)

The wettest day on record for each calendar month at San Lorenzo. The most was 89.9 mm (3.5 in) on 12 September 1981.

Record daily precipitation for each month at San Lorenzo
Month	Record daily precipitation (mm)	Date
Jan	24.9 mm (1.0 in)	6 January 1981
Feb	20.8 mm (0.8 in)	20 February 1973
Mar	26.9 mm (1.1 in)	11 March 1981
Apr	17.8 mm (0.7 in)	5 April 1973
May	20.8 mm (0.8 in)	22 May 1974
Jun	41.9 mm (1.6 in)	25 June 1966
Jul	63.8 mm (2.5 in)	22 July 1977
Aug	69.9 mm (2.8 in)	23 August 1966
Sep	89.9 mm (3.5 in)	12 September 1981
Oct	45.0 mm (1.8 in)	8 October 1962
Nov	33.8 mm (1.3 in)	20 November 1963
Dec	34.8 mm (1.4 in)	8 December 1982

Period of Record Coverage

1961 to 1993

23 years of record at San Lorenzo, 1961 to 1993. 6 years have data for under 90 percent of days and are left out of rankings: 1962, 1967, 1969, 1970, 1971, 1993.

Days with data per year at San Lorenzo
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	306	84%	No
1963	365	100%	Yes
1964	341	93%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	92	25%	No
1969	274	75%	No
1970	303	83%	No
1971	304	83%	No
1972	348	95%	Yes
1973	363	99%	Yes
1974	365	100%	Yes
1975	335	92%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	365	100%	Yes
1981	334	92%	Yes
1982	362	99%	Yes
1983	334	92%	Yes
1993	29	8%	No

Latest Records

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

Climate Trend

11 complete years, 1961 to 1980

One stripe for each of 11 complete years at San Lorenzo, 1961 to 1980. Blue stripes are years cooler than the station's own mean of 17.0 C (62.6 F); red stripes are warmer. The coolest year was 1976, at 15.5 C (59.8 F), and the warmest was 1963, at 18.2 C (64.7 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at San Lorenzo as warming stripes, 1961 to 1980
Year	Annual mean temperature	Difference from the station mean
1961	17.2 C	+0.21 C
1963	18.2 C	+1.18 C
1965	17.4 C	+0.41 C
1966	17.8 C	+0.78 C
1973	16.7 C	-0.34 C
1974	17.9 C	+0.84 C
1976	15.5 C	-1.56 C
1977	16.7 C	-0.30 C
1978	16.6 C	-0.38 C
1979	16.4 C	-0.66 C
1980	16.8 C	-0.22 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

1961 to 1993

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)	40.0 C (104.0 F)	1963	37.8 C (100.0 F)	23
Coldest night (TNn)	-11.1 C (12.0 F)	1973	-7.2 C (19.0 F)	23
Wettest day (Rx1day)	89.9 mm (3.5 in)	1981	50.8 mm (2.0 in)	23
Wettest five days (Rx5day)	174.6 mm (6.9 in)	1974	92.0 mm (3.6 in)	23
Longest dry spell (CDD)	198 days	1969	110 days	23

Hottest day (TXx)

The hottest day of the year at San Lorenzo, 1961 to 1993. The record is 40.0 C (104.0 F) in 1963, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at San Lorenzo by year
Year	Hottest day (TXx)
1961	36.7 C (98.1 F)
1962	37.8 C (100.0 F)
1963	40.0 C (104.0 F)
1964	40.0 C (104.0 F)
1965	38.9 C (102.0 F)
1966	40.0 C (104.0 F)
1967	38.9 C (102.0 F)
1969	35.6 C (96.1 F)
1970	31.7 C (89.1 F)
1971	37.8 C (100.0 F)
1972	36.7 C (98.1 F)
1973	40.0 C (104.0 F)
1974	37.8 C (100.0 F)
1975	37.8 C (100.0 F)
1976	37.8 C (100.0 F)
1977	36.7 C (98.1 F)
1978	38.9 C (102.0 F)
1979	40.0 C (104.0 F)
1980	40.0 C (104.0 F)
1981	40.0 C (104.0 F)
1982	40.0 C (104.0 F)
1983	37.8 C (100.0 F)
1993	22.8 C (73.0 F)

Coldest night (TNn)

The coldest night of the year at San Lorenzo, 1961 to 1993. The record is -11.1 C (12.0 F) in 1973, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at San Lorenzo by year
Year	Coldest night (TNn)
1961	-6.1 C (21.0 F)
1962	-6.1 C (21.0 F)
1963	-8.3 C (17.1 F)
1964	-5.0 C (23.0 F)
1965	-8.3 C (17.1 F)
1966	-10.0 C (14.0 F)
1967	7.8 C (46.0 F)
1969	-5.0 C (23.0 F)
1970	5.0 C (41.0 F)
1971	2.8 C (37.0 F)
1972	-7.2 C (19.0 F)
1973	-11.1 C (12.0 F)
1974	-7.2 C (19.0 F)
1975	-10.0 C (14.0 F)
1976	-10.0 C (14.0 F)
1977	-7.2 C (19.0 F)
1978	-9.4 C (15.1 F)
1979	-10.0 C (14.0 F)
1980	-8.3 C (17.1 F)
1981	-6.1 C (21.0 F)
1982	-8.3 C (17.1 F)
1983	-8.3 C (17.1 F)
1993	-2.2 C (28.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Lorenzo, 1961 to 1993. The record is 89.9 mm (3.5 in) in 1981, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at San Lorenzo by year
Year	Wettest day (Rx1day)
1961	39.9 mm (1.6 in)
1962	59.9 mm (2.4 in)
1963	40.9 mm (1.6 in)
1964	31.0 mm (1.2 in)
1965	39.9 mm (1.6 in)
1966	69.9 mm (2.8 in)
1967	59.9 mm (2.4 in)
1969	1.8 mm (0.07 in)
1970	79.8 mm (3.1 in)
1971	34.8 mm (1.4 in)
1972	69.9 mm (2.8 in)
1973	30.0 mm (1.2 in)
1974	69.9 mm (2.8 in)
1975	52.8 mm (2.1 in)
1976	58.9 mm (2.3 in)
1977	63.8 mm (2.5 in)
1978	45.0 mm (1.8 in)
1979	51.8 mm (2.0 in)
1980	50.8 mm (2.0 in)
1981	89.9 mm (3.5 in)
1982	34.8 mm (1.4 in)
1983	31.8 mm (1.3 in)
1993	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Lorenzo, 1961 to 1993. The record is 174.6 mm (6.9 in) in 1974, marked on the chart; the median year is 92.0 mm (3.6 in).

Wettest five days (Rx5day) at San Lorenzo by year
Year	Wettest five days (Rx5day)
1961	90.4 mm (3.6 in)
1962	115.8 mm (4.6 in)
1963	54.6 mm (2.1 in)
1964	57.4 mm (2.3 in)
1965	66.6 mm (2.6 in)
1966	108.5 mm (4.3 in)
1967	93.7 mm (3.7 in)
1969	1.8 mm (0.07 in)
1970	79.8 mm (3.1 in)
1971	49.8 mm (2.0 in)
1972	134.4 mm (5.3 in)
1973	79.3 mm (3.1 in)
1974	174.6 mm (6.9 in)
1975	92.0 mm (3.6 in)
1976	110.2 mm (4.3 in)
1977	98.4 mm (3.9 in)
1978	134.4 mm (5.3 in)
1979	138.1 mm (5.4 in)
1980	99.4 mm (3.9 in)
1981	136.0 mm (5.4 in)
1982	49.8 mm (2.0 in)
1983	62.5 mm (2.5 in)
1993	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Lorenzo, 1961 to 1993. The record is 198 days in 1969, marked on the chart; the median year is 110 days.

Longest dry spell (CDD) at San Lorenzo by year
Year	Longest dry spell (CDD)
1961	126 days
1962	153 days
1963	152 days
1964	163 days
1965	169 days
1966	110 days
1967	11 days
1969	198 days
1970	120 days
1971	189 days
1972	49 days
1973	87 days
1974	141 days
1975	119 days
1976	93 days
1977	78 days
1978	77 days
1979	92 days
1980	114 days
1981	54 days
1982	100 days
1983	58 days
1993	31 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).