San Pedro Temamantla Weather Records (MXN00021079)

Record envelope, standing records and threshold days for San Pedro Temamantla (MXN00021079), Mexico, with 41 years of record.

Key Facts for San Pedro Temamantla

San Pedro Temamantla (MXN00021079) is a weather station in Mexico at 18.92 latitude and -97.50 longitude, 2,420 m (7,939 ft) above sea level.
The station reports from 1969 to 2009, 41 years of record.
1,464 records set at San Pedro Temamantla still stand.
Records are tracked for tmin, prcp: an element needs 30 years of data to be eligible.
San Pedro Temamantla set a daily record high minimum temperature of 12.8 C (55.0 F) on 31 December 2009.

About the Station

Location: Mexico, 18.92 latitude, -97.50 longitude.
Elevation: 2,420 m (7,939 ft).
Period of record: 1969 to 2009, 41 years.
Eligible elements: 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 Pedro Temamantla. 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 Temamantla, 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)	-5.0 C (23.0 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	-2.2 C (28.0 F)	n/a	n/a
May	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a
Jun	30.0 C (86.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	30.6 C (87.1 F)	1.7 C (35.1 F)	n/a	n/a
Aug	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	27.8 C (82.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	35.6 C (96.1 F)	-8.9 C (16.0 F)	n/a	n/a
Dec	33.9 C (93.0 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Pedro Temamantla still stand. 2001 holds the most, with 178.

Standing records at San Pedro Temamantla by the year they were set
Year set	Standing records
1969	22
1970	59
1971	62
1972	45
1973	65
1974	59
1975	62
1976	39
1977	73
1978	47
1979	73
1980	51
1981	41
1982	57
1983	68
1984	81
1988	8
1989	11
1990	2
1991	1
1992	6
1993	16
1994	3
1996	4
1997	31
1998	83
1999	54
2000	51
2001	178
2007	33
2008	39
2009	40

Wettest Day of Each Month

Aug: 70.9 mm (2.8 in)

The wettest day on record for each calendar month at San Pedro Temamantla. The most was 70.9 mm (2.8 in) on 22 August 2007.

Record daily precipitation for each month at San Pedro Temamantla
Month	Record daily precipitation (mm)	Date
Jan	34.8 mm (1.4 in)	30 January 1992
Feb	25.7 mm (1.0 in)	26 February 1982
Mar	22.9 mm (0.9 in)	21 March 1997
Apr	38.9 mm (1.5 in)	23 April 1997
May	59.9 mm (2.4 in)	13 May 1975
Jun	59.9 mm (2.4 in)	16 June 1975
Jul	43.9 mm (1.7 in)	27 July 1978
Aug	70.9 mm (2.8 in)	22 August 2007
Sep	64.8 mm (2.6 in)	9 September 1998
Oct	36.8 mm (1.4 in)	10 October 1994
Nov	13.5 mm (0.5 in)	6 November 1992
Dec	19.8 mm (0.8 in)	13 December 1972

Period of Record Coverage

1969 to 2009

33 years of record at San Pedro Temamantla, 1969 to 2009. 12 years have data for under 90 percent of days and are left out of rankings: 1969, 1988, 1989, 1990, 1992, 1995, 1996, 1997 and others.

Days with data per year at San Pedro Temamantla
Year	Days with data	Share of year	Complete
1969	172	47%	No
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	364	100%	Yes
1975	334	92%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	335	92%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	335	92%	Yes
1988	213	58%	No
1989	153	42%	No
1990	102	28%	No
1991	334	92%	Yes
1992	305	83%	No
1993	365	100%	Yes
1994	365	100%	Yes
1995	90	25%	No
1996	295	81%	No
1997	304	83%	No
1998	273	75%	No
1999	332	91%	Yes
2000	345	94%	Yes
2001	213	58%	No
2007	253	69%	No
2008	338	92%	Yes
2009	319	87%	No

Latest Records

Latest records at San Pedro Temamantla
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2009	San Pedro Temamantla, MX	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	12 years	14 of 100 (Routine)
31 December 2009	San Pedro Temamantla, MX	daily rain	6.9 mm (0.27 in)	1.1 mm (0.04 in)	2 years	5 of 100 (Routine)
30 December 2009	San Pedro Temamantla, MX	daily high min	11.7 C (53.1 F)	1.1 C (2.0 F)	12 years	9 of 100 (Routine)
26 December 2009	San Pedro Temamantla, MX	daily high min	15.0 C (59.0 F)	5.0 C (9.0 F)	12 years	19 of 100 (Routine)
18 December 2009	San Pedro Temamantla, MX	daily high min	15.0 C (59.0 F)	2.2 C (4.0 F)	8 years	11 of 100 (Routine)
10 December 2009	San Pedro Temamantla, MX	daily high min (Tie)	13.9 C (57.0 F)	tie	8 years	1 of 100 (Routine)
9 December 2009	San Pedro Temamantla, MX	daily high min	13.9 C (57.0 F)	1.1 C (2.0 F)	8 years	8 of 100 (Routine)
30 November 2009	San Pedro Temamantla, MX	daily rain	7.9 mm (0.31 in)	5.1 mm (0.20 in)	2 years	9 of 100 (Routine)
21 November 2009	San Pedro Temamantla, MX	daily low min	-3.3 C (26.1 F)	1.1 C (2.0 F)	39 years	18 of 100 (Routine)
24 October 2009	San Pedro Temamantla, MX	daily rain	18.8 mm (0.7 in)	13.5 mm (0.5 in)	26 years	20 of 100 (Routine)
15 October 2009	San Pedro Temamantla, MX	daily low min (Tie)	5.0 C (41.0 F)	tie	36 years	3 of 100 (Routine)
13 October 2009	San Pedro Temamantla, MX	daily high min (Tie)	10.6 C (51.1 F)	tie	8 years	1 of 100 (Routine)
27 September 2009	San Pedro Temamantla, MX	daily low min (Tie)	1.7 C (35.1 F)	tie	8 years	1 of 100 (Routine)
25 September 2009	San Pedro Temamantla, MX	daily low min (Tie)	1.7 C (35.1 F)	tie	8 years	1 of 100 (Routine)
14 September 2009	San Pedro Temamantla, MX	daily low min	1.7 C (35.1 F)	1.1 C (2.0 F)	8 years	10 of 100 (Routine)
13 September 2009	San Pedro Temamantla, MX	daily low min	2.8 C (37.0 F)	1.1 C (2.0 F)	18 years	13 of 100 (Routine)
12 September 2009	San Pedro Temamantla, MX	daily low min	1.7 C (35.1 F)	3.3 C (5.9 F)	32 years	26 of 100 (Routine)
11 September 2009	San Pedro Temamantla, MX	monthly low min (Tie)	0.6 C (33.1 F)	tie	8 years	4 of 100 (Routine)
10 September 2009	San Pedro Temamantla, MX	daily low min	1.7 C (35.1 F)	3.3 C (5.9 F)	27 years	25 of 100 (Routine)
8 September 2009	San Pedro Temamantla, MX	daily low min	2.8 C (37.0 F)	2.2 C (4.0 F)	32 years	21 of 100 (Routine)

Climate Trend

15 complete years, 1970 to 2008

One stripe for each of 15 complete years at San Pedro Temamantla, 1970 to 2008. Blue stripes are years cooler than the station's own mean of 14.1 C (57.4 F); red stripes are warmer. The coolest year was 1982, at 13.1 C (55.7 F), and the warmest was 1973, at 15.1 C (59.1 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at San Pedro Temamantla as warming stripes, 1970 to 2008
Year	Annual mean temperature	Difference from the station mean
1970	14.1 C	-0.01 C
1971	14.0 C	-0.07 C
1972	14.2 C	+0.12 C
1973	15.1 C	+0.98 C
1974	14.3 C	+0.20 C
1976	14.0 C	-0.06 C
1977	14.1 C	+0.02 C
1978	14.2 C	+0.12 C
1979	13.7 C	-0.35 C
1980	14.0 C	-0.05 C
1982	13.1 C	-0.95 C
1983	13.8 C	-0.26 C
1993	14.2 C	+0.09 C
1994	14.2 C	+0.11 C
2008	14.3 C	+0.16 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

1969 to 2009

Yearly extremes at San Pedro Temamantla: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	2001	28.9 C (84.0 F)	33
Coldest night (TNn)	-10.0 C (14.0 F)	1984	0.0 C (32.0 F)	33
Wettest day (Rx1day)	70.9 mm (2.8 in)	2007	34.8 mm (1.4 in)	33
Wettest five days (Rx5day)	227.1 mm (8.9 in)	1998	83.8 mm (3.3 in)	33
Longest dry spell (CDD)	133 days	1970	71 days	33

Hottest day (TXx)

The hottest day of the year at San Pedro Temamantla, 1969 to 2009. The record is 35.6 C (96.1 F) in 2001, marked on the chart; the median year is 28.9 C (84.0 F).

Hottest day (TXx) at San Pedro Temamantla by year
Year	Hottest day (TXx)
1969	26.7 C (80.1 F)
1970	30.6 C (87.1 F)
1971	30.0 C (86.0 F)
1972	28.9 C (84.0 F)
1973	30.0 C (86.0 F)
1974	30.0 C (86.0 F)
1975	30.0 C (86.0 F)
1976	28.9 C (84.0 F)
1977	31.7 C (89.1 F)
1978	30.0 C (86.0 F)
1979	32.8 C (91.0 F)
1980	28.9 C (84.0 F)
1981	27.8 C (82.0 F)
1982	29.4 C (84.9 F)
1983	32.8 C (91.0 F)
1984	30.0 C (86.0 F)
1988	28.9 C (84.0 F)
1989	27.8 C (82.0 F)
1990	25.0 C (77.0 F)
1991	25.0 C (77.0 F)
1992	26.7 C (80.1 F)
1993	26.7 C (80.1 F)
1994	26.7 C (80.1 F)
1995	25.6 C (78.1 F)
1996	26.7 C (80.1 F)
1997	26.7 C (80.1 F)
1998	26.7 C (80.1 F)
1999	30.6 C (87.1 F)
2000	28.9 C (84.0 F)
2001	35.6 C (96.1 F)
2007	30.0 C (86.0 F)
2008	31.7 C (89.1 F)
2009	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at San Pedro Temamantla, 1969 to 2009. The record is -10.0 C (14.0 F) in 1984, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at San Pedro Temamantla by year
Year	Coldest night (TNn)
1969	-2.2 C (28.0 F)
1970	-4.4 C (24.1 F)
1971	-3.3 C (26.1 F)
1972	-5.0 C (23.0 F)
1973	-3.3 C (26.1 F)
1974	-2.2 C (28.0 F)
1975	-2.2 C (28.0 F)
1976	-5.0 C (23.0 F)
1977	0.0 C (32.0 F)
1978	0.0 C (32.0 F)
1979	0.0 C (32.0 F)
1980	-2.2 C (28.0 F)
1981	0.0 C (32.0 F)
1982	-5.0 C (23.0 F)
1983	-4.4 C (24.1 F)
1984	-10.0 C (14.0 F)
1988	2.8 C (37.0 F)
1989	1.7 C (35.1 F)
1990	1.7 C (35.1 F)
1991	2.8 C (37.0 F)
1992	2.8 C (37.0 F)
1993	0.6 C (33.1 F)
1994	1.7 C (35.1 F)
1995	3.9 C (39.0 F)
1996	0.6 C (33.1 F)
1997	1.7 C (35.1 F)
1998	2.8 C (37.0 F)
1999	1.7 C (35.1 F)
2000	0.6 C (33.1 F)
2001	1.7 C (35.1 F)
2007	0.0 C (32.0 F)
2008	-6.1 C (21.0 F)
2009	-6.1 C (21.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Pedro Temamantla, 1969 to 2009. The record is 70.9 mm (2.8 in) in 2007, marked on the chart; the median year is 34.8 mm (1.4 in).

Wettest day (Rx1day) at San Pedro Temamantla by year
Year	Wettest day (Rx1day)
1969	46.0 mm (1.8 in)
1970	30.0 mm (1.2 in)
1971	29.0 mm (1.1 in)
1972	30.0 mm (1.2 in)
1973	41.9 mm (1.6 in)
1974	31.8 mm (1.3 in)
1975	59.9 mm (2.4 in)
1976	33.8 mm (1.3 in)
1977	21.8 mm (0.9 in)
1978	59.9 mm (2.4 in)
1979	42.9 mm (1.7 in)
1980	46.0 mm (1.8 in)
1981	70.4 mm (2.8 in)
1982	38.4 mm (1.5 in)
1983	32.5 mm (1.3 in)
1984	32.8 mm (1.3 in)
1988	59.9 mm (2.4 in)
1989	59.9 mm (2.4 in)
1990	34.8 mm (1.4 in)
1991	17.8 mm (0.7 in)
1992	34.8 mm (1.4 in)
1993	59.9 mm (2.4 in)
1994	36.8 mm (1.4 in)
1995	0.0 mm (0.00 in)
1996	24.9 mm (1.0 in)
1997	38.9 mm (1.5 in)
1998	64.8 mm (2.6 in)
1999	30.0 mm (1.2 in)
2000	22.9 mm (0.9 in)
2001	31.8 mm (1.3 in)
2007	70.9 mm (2.8 in)
2008	31.0 mm (1.2 in)
2009	31.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Pedro Temamantla, 1969 to 2009. The record is 227.1 mm (8.9 in) in 1998, marked on the chart; the median year is 83.8 mm (3.3 in).

Wettest five days (Rx5day) at San Pedro Temamantla by year
Year	Wettest five days (Rx5day)
1969	83.8 mm (3.3 in)
1970	81.3 mm (3.2 in)
1971	57.2 mm (2.3 in)
1972	97.3 mm (3.8 in)
1973	73.7 mm (2.9 in)
1974	64.4 mm (2.5 in)
1975	75.4 mm (3.0 in)
1976	87.4 mm (3.4 in)
1977	46.4 mm (1.8 in)
1978	129.1 mm (5.1 in)
1979	136.4 mm (5.4 in)
1980	46.0 mm (1.8 in)
1981	76.8 mm (3.0 in)
1982	61.6 mm (2.4 in)
1983	61.0 mm (2.4 in)
1984	95.0 mm (3.7 in)
1988	108.8 mm (4.3 in)
1989	92.2 mm (3.6 in)
1990	107.5 mm (4.2 in)
1991	46.6 mm (1.8 in)
1992	122.4 mm (4.8 in)
1993	140.4 mm (5.5 in)
1994	91.7 mm (3.6 in)
1995	0.0 mm (0.00 in)
1996	89.1 mm (3.5 in)
1997	110.5 mm (4.4 in)
1998	227.1 mm (8.9 in)
1999	63.6 mm (2.5 in)
2000	67.7 mm (2.7 in)
2001	107.2 mm (4.2 in)
2007	87.9 mm (3.5 in)
2008	54.1 mm (2.1 in)
2009	79.6 mm (3.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Pedro Temamantla, 1969 to 2009. The record is 133 days in 1970, marked on the chart; the median year is 71 days.

Longest dry spell (CDD) at San Pedro Temamantla by year
Year	Longest dry spell (CDD)
1969	62 days
1970	133 days
1971	92 days
1972	40 days
1973	61 days
1974	93 days
1975	120 days
1976	91 days
1977	111 days
1978	79 days
1979	63 days
1980	71 days
1981	102 days
1982	76 days
1983	83 days
1984	84 days
1988	61 days
1989	61 days
1990	49 days
1991	40 days
1992	50 days
1993	61 days
1994	70 days
1995	90 days
1996	92 days
1997	77 days
1998	89 days
1999	71 days
2000	69 days
2001	101 days
2007	30 days
2008	58 days
2009	45 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 Temamantla standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Pedro Temamantla 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).