San Pedro Tenayac Weather Records (MXN00015241)

Record envelope, standing records and threshold days for San Pedro Tenayac (MXN00015241), Mexico, with 34 years of record.

Key Facts for San Pedro Tenayac

San Pedro Tenayac (MXN00015241) is a weather station in Mexico at 19.03 latitude and -100.17 longitude, 1,723 m (5,652 ft) above sea level.
The station reports from 1978 to 2011, 34 years of record.
1,464 records set at San Pedro Tenayac still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.03 latitude, -100.17 longitude.
Elevation: 1,723 m (5,652 ft).
Period of record: 1978 to 2011, 34 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 Tenayac. 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 Tenayac, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.6 C (87.1 F)	0.0 C (32.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	0.0 C (32.0 F)	n/a	n/a
Mar	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
May	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Jun	38.9 C (102.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	30.0 C (86.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Dec	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Pedro Tenayac still stand. 1979 holds the most, with 156.

Standing records at San Pedro Tenayac by the year they were set
Year set	Standing records
1978	20
1979	156
1980	83
1981	45
1982	42
1983	54
1984	20
1985	27
1986	46
1987	34
1988	67
1989	75
1990	35
1991	29
1992	43
1993	41
1994	34
1995	22
1996	14
1997	114
1998	111
1999	65
2000	38
2001	13
2002	15
2003	36
2004	21
2005	57
2006	19
2008	6
2011	82

Wettest Day of Each Month

Jun: 100.1 mm (3.9 in)

The wettest day on record for each calendar month at San Pedro Tenayac. The most was 100.1 mm (3.9 in) on 4 June 2003.

Record daily precipitation for each month at San Pedro Tenayac
Month	Record daily precipitation (mm)	Date
Jan	35.1 mm (1.4 in)	27 January 1992
Feb	20.1 mm (0.8 in)	12 February 2006
Mar	20.6 mm (0.8 in)	21 March 1997
Apr	15.7 mm (0.6 in)	16 April 1995
May	36.8 mm (1.4 in)	30 May 1986
Jun	100.1 mm (3.9 in)	4 June 2003
Jul	49.8 mm (2.0 in)	14 July 1989
Aug	59.9 mm (2.4 in)	13 August 2005
Sep	47.0 mm (1.9 in)	17 September 1989
Oct	40.1 mm (1.6 in)	22 October 2003
Nov	25.4 mm (1.0 in)	15 November 1995
Dec	20.8 mm (0.8 in)	31 December 1995

Period of Record Coverage

1978 to 2011

31 years of record at San Pedro Tenayac, 1978 to 2011. 11 years have data for under 90 percent of days and are left out of rankings: 1978, 1991, 1993, 1994, 1996, 2001, 2002, 2004 and others.

Days with data per year at San Pedro Tenayac
Year	Days with data	Share of year	Complete
1978	30	8%	No
1979	364	100%	Yes
1980	365	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	363	99%	Yes
1985	362	99%	Yes
1986	337	92%	Yes
1987	365	100%	Yes
1988	365	100%	Yes
1989	333	91%	Yes
1990	359	98%	Yes
1991	143	39%	No
1992	339	93%	Yes
1993	219	60%	No
1994	316	87%	No
1995	356	98%	Yes
1996	92	25%	No
1997	358	98%	Yes
1998	356	98%	Yes
1999	356	98%	Yes
2000	335	92%	Yes
2001	124	34%	No
2002	274	75%	No
2003	350	96%	Yes
2004	321	88%	No
2005	349	96%	Yes
2006	190	52%	No
2008	181	49%	No
2011	178	49%	No

Latest Records

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

Climate Trend

16 complete years, 1979 to 2005

One stripe for each of 16 complete years at San Pedro Tenayac, 1979 to 2005. Blue stripes are years cooler than the station's own mean of 16.0 C (60.9 F); red stripes are warmer. The coolest year was 1997, at 13.9 C (57.1 F), and the warmest was 1979, at 18.0 C (64.4 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at San Pedro Tenayac as warming stripes, 1979 to 2005
Year	Annual mean temperature	Difference from the station mean
1979	18.0 C	+1.96 C
1980	17.2 C	+1.19 C
1981	16.9 C	+0.88 C
1982	17.5 C	+1.46 C
1983	17.2 C	+1.12 C
1984	17.0 C	+0.98 C
1987	16.3 C	+0.23 C
1988	15.6 C	-0.42 C
1990	15.9 C	-0.12 C
1992	15.8 C	-0.22 C
1995	15.1 C	-0.95 C
1997	13.9 C	-2.09 C
1998	14.3 C	-1.74 C
1999	14.3 C	-1.75 C
2003	15.5 C	-0.54 C
2005	16.1 C	+0.04 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

1978 to 2011

Yearly extremes at San Pedro Tenayac: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	2005	32.8 C (91.0 F)	31
Coldest night (TNn)	0.0 C (32.0 F)	1983	1.7 C (35.1 F)	31
Wettest day (Rx1day)	100.1 mm (3.9 in)	2003	27.9 mm (1.1 in)	31
Wettest five days (Rx5day)	142.8 mm (5.6 in)	2003	82.3 mm (3.2 in)	31
Longest dry spell (CDD)	153 days	1998	69 days	31

Hottest day (TXx)

The hottest day of the year at San Pedro Tenayac, 1978 to 2011. The record is 38.9 C (102.0 F) in 2005, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at San Pedro Tenayac by year
Year	Hottest day (TXx)
1978	31.7 C (89.1 F)
1979	32.8 C (91.0 F)
1980	31.7 C (89.1 F)
1981	30.6 C (87.1 F)
1982	32.8 C (91.0 F)
1983	35.0 C (95.0 F)
1984	32.8 C (91.0 F)
1985	32.8 C (91.0 F)
1986	33.9 C (93.0 F)
1987	31.7 C (89.1 F)
1988	32.2 C (90.0 F)
1989	32.8 C (91.0 F)
1990	32.8 C (91.0 F)
1991	31.7 C (89.1 F)
1992	30.6 C (87.1 F)
1993	31.7 C (89.1 F)
1994	33.9 C (93.0 F)
1995	30.6 C (87.1 F)
1996	28.9 C (84.0 F)
1997	30.6 C (87.1 F)
1998	32.8 C (91.0 F)
1999	31.7 C (89.1 F)
2000	31.7 C (89.1 F)
2001	26.7 C (80.1 F)
2002	32.8 C (91.0 F)
2003	33.9 C (93.0 F)
2004	31.7 C (89.1 F)
2005	38.9 C (102.0 F)
2006	33.3 C (91.9 F)
2008	32.8 C (91.0 F)
2011	33.9 C (93.0 F)

Coldest night (TNn)

The coldest night of the year at San Pedro Tenayac, 1978 to 2011. The record is 0.0 C (32.0 F) in 1983, marked on the chart; the median year is 1.7 C (35.1 F).

Coldest night (TNn) at San Pedro Tenayac by year
Year	Coldest night (TNn)
1978	3.9 C (39.0 F)
1979	6.7 C (44.1 F)
1980	5.0 C (41.0 F)
1981	2.8 C (37.0 F)
1982	3.9 C (39.0 F)
1983	0.0 C (32.0 F)
1984	5.0 C (41.0 F)
1985	5.6 C (42.1 F)
1986	5.0 C (41.0 F)
1987	5.0 C (41.0 F)
1988	3.9 C (39.0 F)
1989	5.0 C (41.0 F)
1990	0.0 C (32.0 F)
1991	0.0 C (32.0 F)
1992	0.0 C (32.0 F)
1993	5.0 C (41.0 F)
1994	0.0 C (32.0 F)
1995	1.7 C (35.1 F)
1996	2.8 C (37.0 F)
1997	1.7 C (35.1 F)
1998	1.7 C (35.1 F)
1999	0.0 C (32.0 F)
2000	0.0 C (32.0 F)
2001	0.0 C (32.0 F)
2002	1.7 C (35.1 F)
2003	0.6 C (33.1 F)
2004	0.6 C (33.1 F)
2005	0.0 C (32.0 F)
2006	0.0 C (32.0 F)
2008	2.8 C (37.0 F)
2011	5.0 C (41.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Pedro Tenayac, 1978 to 2011. The record is 100.1 mm (3.9 in) in 2003, marked on the chart; the median year is 27.9 mm (1.1 in).

Wettest day (Rx1day) at San Pedro Tenayac by year
Year	Wettest day (Rx1day)
1978	4.8 mm (0.19 in)
1979	20.8 mm (0.8 in)
1980	40.4 mm (1.6 in)
1981	20.8 mm (0.8 in)
1982	20.6 mm (0.8 in)
1983	39.9 mm (1.6 in)
1984	39.9 mm (1.6 in)
1985	55.9 mm (2.2 in)
1986	40.6 mm (1.6 in)
1987	30.2 mm (1.2 in)
1988	40.1 mm (1.6 in)
1989	49.8 mm (2.0 in)
1990	80.0 mm (3.1 in)
1991	20.8 mm (0.8 in)
1992	35.1 mm (1.4 in)
1993	20.6 mm (0.8 in)
1994	39.9 mm (1.6 in)
1995	30.5 mm (1.2 in)
1996	19.1 mm (0.8 in)
1997	24.9 mm (1.0 in)
1998	22.1 mm (0.9 in)
1999	20.8 mm (0.8 in)
2000	20.8 mm (0.8 in)
2001	22.1 mm (0.9 in)
2002	20.6 mm (0.8 in)
2003	100.1 mm (3.9 in)
2004	40.1 mm (1.6 in)
2005	59.9 mm (2.4 in)
2006	24.9 mm (1.0 in)
2008	27.9 mm (1.1 in)
2011	20.1 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Pedro Tenayac, 1978 to 2011. The record is 142.8 mm (5.6 in) in 2003, marked on the chart; the median year is 82.3 mm (3.2 in).

Wettest five days (Rx5day) at San Pedro Tenayac by year
Year	Wettest five days (Rx5day)
1978	7.6 mm (0.30 in)
1979	90.1 mm (3.5 in)
1980	91.1 mm (3.6 in)
1981	77.0 mm (3.0 in)
1982	86.6 mm (3.4 in)
1983	117.1 mm (4.6 in)
1984	76.3 mm (3.0 in)
1985	111.3 mm (4.4 in)
1986	76.3 mm (3.0 in)
1987	74.1 mm (2.9 in)
1988	88.1 mm (3.5 in)
1989	122.2 mm (4.8 in)
1990	105.7 mm (4.2 in)
1991	93.1 mm (3.7 in)
1992	78.1 mm (3.1 in)
1993	42.7 mm (1.7 in)
1994	89.7 mm (3.5 in)
1995	94.4 mm (3.7 in)
1996	52.9 mm (2.1 in)
1997	82.1 mm (3.2 in)
1998	78.0 mm (3.1 in)
1999	89.7 mm (3.5 in)
2000	71.2 mm (2.8 in)
2001	82.3 mm (3.2 in)
2002	62.5 mm (2.5 in)
2003	142.8 mm (5.6 in)
2004	74.5 mm (2.9 in)
2005	111.9 mm (4.4 in)
2006	82.3 mm (3.2 in)
2008	55.5 mm (2.2 in)
2011	61.5 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Pedro Tenayac, 1978 to 2011. The record is 153 days in 1998, marked on the chart; the median year is 69 days.

Longest dry spell (CDD) at San Pedro Tenayac by year
Year	Longest dry spell (CDD)
1978	23 days
1979	68 days
1980	75 days
1981	52 days
1982	52 days
1983	71 days
1984	86 days
1985	69 days
1986	53 days
1987	52 days
1988	63 days
1989	127 days
1990	42 days
1991	25 days
1992	89 days
1993	120 days
1994	54 days
1995	75 days
1996	53 days
1997	75 days
1998	153 days
1999	137 days
2000	142 days
2001	45 days
2002	41 days
2003	86 days
2004	48 days
2005	53 days
2006	69 days
2008	103 days
2011	126 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 Tenayac standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Pedro Tenayac 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).