San Pedro de la Sierra Weather Records (MXN00032109)

Record envelope, standing records and threshold days for San Pedro de la Sierra (MXN00032109), Mexico, with 36 years of record.

Key Facts for San Pedro de la Sierra

San Pedro de la Sierra (MXN00032109) is a weather station in Mexico at 22.77 latitude and -103.93 longitude, 1,893 m (6,210 ft) above sea level.
The station reports from 1977 to 2012, 36 years of record.
1,464 records set at San Pedro de la Sierra still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 22.77 latitude, -103.93 longitude.
Elevation: 1,893 m (6,210 ft).
Period of record: 1977 to 2012, 36 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 Pedro de la Sierra. 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 Pedro de la Sierra, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-6.7 C (19.9 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-3.9 C (25.0 F)	n/a	n/a
Mar	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Apr	37.8 C (100.0 F)	0.0 C (32.0 F)	n/a	n/a
May	39.4 C (102.9 F)	0.0 C (32.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	33.3 C (91.9 F)	4.4 C (39.9 F)	n/a	n/a
Aug	32.8 C (91.0 F)	6.1 C (43.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	5.0 C (41.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	0.6 C (33.1 F)	n/a	n/a
Nov	31.7 C (89.1 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	28.9 C (84.0 F)	-5.6 C (21.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Pedro de la Sierra still stand. 1991 holds the most, with 132.

Standing records at San Pedro de la Sierra by the year they were set
Year set	Standing records
1977	6
1978	50
1979	38
1980	38
1981	26
1982	21
1983	41
1984	23
1985	59
1986	27
1987	51
1988	56
1989	30
1991	132
1992	26
1993	11
1994	16
1995	63
1996	39
1997	32
1998	76
1999	37
2000	45
2006	112
2007	90
2009	86
2010	109
2011	49
2012	75

Wettest Day of Each Month

Jul: 64.8 mm (2.6 in)

The wettest day on record for each calendar month at San Pedro de la Sierra. The most was 64.8 mm (2.6 in) on 2 July 1998.

Record daily precipitation for each month at San Pedro de la Sierra
Month	Record daily precipitation (mm)	Date
Jan	56.9 mm (2.2 in)	12 January 1987
Feb	49.8 mm (2.0 in)	26 February 1987
Mar	3.8 mm (0.15 in)	3 March 1989
Apr	21.8 mm (0.9 in)	3 April 1997
May	22.4 mm (0.9 in)	28 May 1983
Jun	30.0 mm (1.2 in)	28 June 1988
Jul	64.8 mm (2.6 in)	2 July 1998
Aug	50.8 mm (2.0 in)	2 August 2006
Sep	41.9 mm (1.6 in)	24 September 2006
Oct	64.8 mm (2.6 in)	22 October 2006
Nov	56.9 mm (2.2 in)	25 November 1982
Dec	39.9 mm (1.6 in)	13 December 1992

Period of Record Coverage

1977 to 2012

29 years of record at San Pedro de la Sierra, 1977 to 2012. 12 years have data for under 90 percent of days and are left out of rankings: 1977, 1980, 1981, 1982, 1986, 1989, 1997, 1999 and others.

Days with data per year at San Pedro de la Sierra
Year	Days with data	Share of year	Complete
1977	47	13%	No
1978	364	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	365	100%	Yes
1988	366	100%	Yes
1989	240	66%	No
1991	363	99%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	334	92%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	295	81%	No
1998	353	97%	Yes
1999	196	54%	No
2000	281	77%	No
2006	333	91%	Yes
2007	304	83%	No
2009	334	92%	Yes
2010	287	79%	No
2011	283	78%	No
2012	360	98%	Yes

Latest Records

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

Climate Trend

11 complete years, 1978 to 2012

One stripe for each of 11 complete years at San Pedro de la Sierra, 1978 to 2012. Blue stripes are years cooler than the station's own mean of 17.0 C (62.7 F); red stripes are warmer. The coolest year was 2012, at 14.0 C (57.2 F), and the warmest was 1998, at 19.0 C (66.2 F). The strongest colour marks a difference of 3.1 C (5.6 F).

Annual mean temperature at San Pedro de la Sierra as warming stripes, 1978 to 2012
Year	Annual mean temperature	Difference from the station mean
1978	17.8 C	+0.81 C
1979	17.8 C	+0.78 C
1983	16.6 C	-0.41 C
1984	16.5 C	-0.52 C
1985	17.3 C	+0.26 C
1987	16.7 C	-0.37 C
1988	17.4 C	+0.33 C
1992	15.3 C	-1.73 C
1995	18.9 C	+1.88 C
1998	19.0 C	+1.98 C
2012	14.0 C	-3.01 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

1977 to 2012

Yearly extremes at San Pedro de la Sierra: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1996	33.9 C (93.0 F)	29
Coldest night (TNn)	-6.7 C (19.9 F)	2011	0.0 C (32.0 F)	29
Wettest day (Rx1day)	64.8 mm (2.6 in)	1998	37.8 mm (1.5 in)	29
Wettest five days (Rx5day)	102.2 mm (4.0 in)	2006	71.4 mm (2.8 in)	29
Longest dry spell (CDD)	165 days	2011	109 days	29

Hottest day (TXx)

The hottest day of the year at San Pedro de la Sierra, 1977 to 2012. The record is 39.4 C (102.9 F) in 1996, marked on the chart; the median year is 33.9 C (93.0 F).

Hottest day (TXx) at San Pedro de la Sierra by year
Year	Hottest day (TXx)
1977	26.7 C (80.1 F)
1978	35.0 C (95.0 F)
1979	32.2 C (90.0 F)
1980	35.6 C (96.1 F)
1981	32.2 C (90.0 F)
1982	35.6 C (96.1 F)
1983	33.9 C (93.0 F)
1984	31.7 C (89.1 F)
1985	35.0 C (95.0 F)
1986	35.0 C (95.0 F)
1987	33.9 C (93.0 F)
1988	35.0 C (95.0 F)
1989	32.2 C (90.0 F)
1991	37.8 C (100.0 F)
1992	33.9 C (93.0 F)
1993	35.0 C (95.0 F)
1994	31.7 C (89.1 F)
1995	35.6 C (96.1 F)
1996	39.4 C (102.9 F)
1997	33.3 C (91.9 F)
1998	37.2 C (99.0 F)
1999	38.9 C (102.0 F)
2000	36.1 C (97.0 F)
2006	30.0 C (86.0 F)
2007	30.0 C (86.0 F)
2009	35.6 C (96.1 F)
2010	31.1 C (88.0 F)
2011	32.8 C (91.0 F)
2012	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at San Pedro de la Sierra, 1977 to 2012. The record is -6.7 C (19.9 F) in 2011, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at San Pedro de la Sierra by year
Year	Coldest night (TNn)
1977	0.6 C (33.1 F)
1978	0.6 C (33.1 F)
1979	0.0 C (32.0 F)
1980	2.8 C (37.0 F)
1981	-1.1 C (30.0 F)
1982	2.8 C (37.0 F)
1983	-2.2 C (28.0 F)
1984	0.6 C (33.1 F)
1985	-6.1 C (21.0 F)
1986	-4.4 C (24.1 F)
1987	-3.3 C (26.1 F)
1988	-5.0 C (23.0 F)
1989	0.6 C (33.1 F)
1991	-1.1 C (30.0 F)
1992	-1.1 C (30.0 F)
1993	0.6 C (33.1 F)
1994	0.6 C (33.1 F)
1995	2.8 C (37.0 F)
1996	3.9 C (39.0 F)
1997	0.0 C (32.0 F)
1998	0.6 C (33.1 F)
1999	1.7 C (35.1 F)
2000	1.7 C (35.1 F)
2006	-5.6 C (21.9 F)
2007	-3.3 C (26.1 F)
2009	-2.2 C (28.0 F)
2010	-4.4 C (24.1 F)
2011	-6.7 C (19.9 F)
2012	-2.2 C (28.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Pedro de la Sierra, 1977 to 2012. The record is 64.8 mm (2.6 in) in 1998, marked on the chart; the median year is 37.8 mm (1.5 in).

Wettest day (Rx1day) at San Pedro de la Sierra by year
Year	Wettest day (Rx1day)
1977	4.8 mm (0.19 in)
1978	37.8 mm (1.5 in)
1979	37.8 mm (1.5 in)
1980	24.9 mm (1.0 in)
1981	42.9 mm (1.7 in)
1982	56.9 mm (2.2 in)
1983	45.0 mm (1.8 in)
1984	47.0 mm (1.9 in)
1985	31.8 mm (1.3 in)
1986	19.8 mm (0.8 in)
1987	56.9 mm (2.2 in)
1988	30.0 mm (1.2 in)
1989	26.4 mm (1.0 in)
1991	37.8 mm (1.5 in)
1992	39.9 mm (1.6 in)
1993	31.8 mm (1.3 in)
1994	41.9 mm (1.6 in)
1995	51.8 mm (2.0 in)
1996	42.9 mm (1.7 in)
1997	31.0 mm (1.2 in)
1998	64.8 mm (2.6 in)
1999	30.0 mm (1.2 in)
2000	42.9 mm (1.7 in)
2006	64.8 mm (2.6 in)
2007	31.8 mm (1.3 in)
2009	34.8 mm (1.4 in)
2010	48.8 mm (1.9 in)
2011	38.9 mm (1.5 in)
2012	30.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Pedro de la Sierra, 1977 to 2012. The record is 102.2 mm (4.0 in) in 2006, marked on the chart; the median year is 71.4 mm (2.8 in).

Wettest five days (Rx5day) at San Pedro de la Sierra by year
Year	Wettest five days (Rx5day)
1977	7.1 mm (0.28 in)
1978	63.4 mm (2.5 in)
1979	64.3 mm (2.5 in)
1980	47.3 mm (1.9 in)
1981	89.7 mm (3.5 in)
1982	86.4 mm (3.4 in)
1983	89.7 mm (3.5 in)
1984	75.0 mm (3.0 in)
1985	86.4 mm (3.4 in)
1986	40.7 mm (1.6 in)
1987	96.8 mm (3.8 in)
1988	84.1 mm (3.3 in)
1989	65.8 mm (2.6 in)
1991	67.1 mm (2.6 in)
1992	93.5 mm (3.7 in)
1993	69.4 mm (2.7 in)
1994	73.5 mm (2.9 in)
1995	73.4 mm (2.9 in)
1996	87.3 mm (3.4 in)
1997	55.5 mm (2.2 in)
1998	92.5 mm (3.6 in)
1999	41.9 mm (1.6 in)
2000	71.4 mm (2.8 in)
2006	102.2 mm (4.0 in)
2007	56.4 mm (2.2 in)
2009	68.3 mm (2.7 in)
2010	62.3 mm (2.5 in)
2011	74.7 mm (2.9 in)
2012	60.4 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Pedro de la Sierra, 1977 to 2012. The record is 165 days in 2011, marked on the chart; the median year is 109 days.

Longest dry spell (CDD) at San Pedro de la Sierra by year
Year	Longest dry spell (CDD)
1977	24 days
1978	111 days
1979	101 days
1980	60 days
1981	40 days
1982	120 days
1983	127 days
1984	132 days
1985	132 days
1986	92 days
1987	99 days
1988	127 days
1989	61 days
1991	152 days
1992	59 days
1993	101 days
1994	148 days
1995	128 days
1996	92 days
1997	27 days
1998	78 days
1999	156 days
2000	61 days
2006	120 days
2007	127 days
2009	129 days
2010	109 days
2011	165 days
2012	77 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 Pedro de la Sierra standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Pedro de la Sierra 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).