Jaltepec Weather Records (MXN00020245)

Record envelope, standing records and threshold days for Jaltepec (MXN00020245), Mexico, with 37 years of record.

Key Facts for Jaltepec

Jaltepec (MXN00020245) is a weather station in Mexico at 17.38 latitude and -97.18 longitude, 2,167 m (7,109 ft) above sea level.
The station reports from 1976 to 2012, 37 years of record.
1,464 records set at Jaltepec still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.38 latitude, -97.18 longitude.
Elevation: 2,167 m (7,109 ft).
Period of record: 1976 to 2012, 37 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 Jaltepec. 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 Jaltepec, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.0 C (86.0 F)	-7.8 C (18.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	0.6 C (33.1 F)	n/a	n/a
Mar	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a
May	35.6 C (96.1 F)	0.6 C (33.1 F)	n/a	n/a
Jun	30.0 C (86.0 F)	2.8 C (37.0 F)	n/a	n/a
Jul	30.0 C (86.0 F)	3.9 C (39.0 F)	n/a	n/a
Aug	28.9 C (84.0 F)	5.6 C (42.1 F)	n/a	n/a
Sep	28.3 C (82.9 F)	5.6 C (42.1 F)	n/a	n/a
Oct	28.9 C (84.0 F)	2.8 C (37.0 F)	n/a	n/a
Nov	28.9 C (84.0 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	32.2 C (90.0 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Jaltepec still stand. 1980 holds the most, with 208.

Standing records at Jaltepec by the year they were set
Year set	Standing records
1976	76
1978	199
1979	80
1980	208
1981	115
1982	72
1983	104
1984	63
1985	68
1986	72
1987	19
1988	1
1991	16
1992	4
2000	15
2001	34
2002	63
2003	39
2004	53
2005	34
2006	42
2007	29
2008	22
2011	5
2012	31

Wettest Day of Each Month

Feb: 259.8 mm (10.2 in)

The wettest day on record for each calendar month at Jaltepec. The most was 259.8 mm (10.2 in) on 25 February 1983.

Record daily precipitation for each month at Jaltepec
Month	Record daily precipitation (mm)	Date
Jan	83.8 mm (3.3 in)	10 January 1984
Feb	259.8 mm (10.2 in)	25 February 1983
Mar	85.9 mm (3.4 in)	13 March 1983
Apr	84.8 mm (3.3 in)	21 April 1982
May	196.9 mm (7.8 in)	20 May 1986
Jun	179.8 mm (7.1 in)	28 June 1986
Jul	199.9 mm (7.9 in)	10 July 1986
Aug	208.8 mm (8.2 in)	21 August 1984
Sep	190.0 mm (7.5 in)	3 September 1981
Oct	114.8 mm (4.5 in)	30 October 1981
Nov	79.8 mm (3.1 in)	3 November 1982
Dec	79.8 mm (3.1 in)	5 December 1985

Period of Record Coverage

1976 to 2012

25 years of record at Jaltepec, 1976 to 2012. 10 years have data for under 90 percent of days and are left out of rankings: 1976, 1978, 1979, 1982, 1987, 1988, 1992, 2000 and others.

Days with data per year at Jaltepec
Year	Days with data	Share of year	Complete
1976	130	36%	No
1978	275	75%	No
1979	59	16%	No
1980	335	92%	Yes
1981	365	100%	Yes
1982	303	83%	No
1983	365	100%	Yes
1984	336	92%	Yes
1985	334	92%	Yes
1986	365	100%	Yes
1987	243	67%	No
1988	31	8%	No
1991	334	92%	Yes
1992	60	16%	No
2000	86	23%	No
2001	365	100%	Yes
2002	363	99%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	334	92%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2011	31	8%	No
2012	268	73%	No

Latest Records

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

Climate Trend

10 complete years, 1981 to 2008

One stripe for each of 10 complete years at Jaltepec, 1981 to 2008. Blue stripes are years cooler than the station's own mean of 16.2 C (61.1 F); red stripes are warmer. The coolest year was 1986, at 15.3 C (59.5 F), and the warmest was 2004, at 16.9 C (62.4 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at Jaltepec as warming stripes, 1981 to 2008
Year	Annual mean temperature	Difference from the station mean
1981	15.7 C	-0.51 C
1983	16.7 C	+0.53 C
1986	15.3 C	-0.88 C
2001	15.9 C	-0.32 C
2002	16.0 C	-0.13 C
2003	16.7 C	+0.50 C
2004	16.9 C	+0.74 C
2005	16.3 C	+0.15 C
2007	16.3 C	+0.15 C
2008	16.0 C	-0.21 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

1976 to 2012

Yearly extremes at Jaltepec: 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)	1983	30.6 C (87.1 F)	25
Coldest night (TNn)	-7.8 C (18.0 F)	1983	0.6 C (33.1 F)	25
Wettest day (Rx1day)	259.8 mm (10.2 in)	1983	48.3 mm (1.9 in)	25
Wettest five days (Rx5day)	489.6 mm (19.3 in)	1981	108.0 mm (4.3 in)	25
Longest dry spell (CDD)	121 days	1976	62 days	25

Hottest day (TXx)

The hottest day of the year at Jaltepec, 1976 to 2012. The record is 35.6 C (96.1 F) in 1983, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Jaltepec by year
Year	Hottest day (TXx)
1976	27.2 C (81.0 F)
1978	32.2 C (90.0 F)
1979	30.6 C (87.1 F)
1980	32.8 C (91.0 F)
1981	30.6 C (87.1 F)
1982	30.6 C (87.1 F)
1983	35.6 C (96.1 F)
1984	32.8 C (91.0 F)
1985	28.9 C (84.0 F)
1986	28.9 C (84.0 F)
1987	28.9 C (84.0 F)
1988	21.7 C (71.1 F)
1991	29.4 C (84.9 F)
1992	26.7 C (80.1 F)
2000	28.9 C (84.0 F)
2001	30.6 C (87.1 F)
2002	30.0 C (86.0 F)
2003	33.9 C (93.0 F)
2004	30.0 C (86.0 F)
2005	31.7 C (89.1 F)
2006	30.6 C (87.1 F)
2007	30.6 C (87.1 F)
2008	31.7 C (89.1 F)
2011	25.6 C (78.1 F)
2012	30.0 C (86.0 F)

Coldest night (TNn)

The coldest night of the year at Jaltepec, 1976 to 2012. The record is -7.8 C (18.0 F) in 1983, marked on the chart; the median year is 0.6 C (33.1 F).

Coldest night (TNn) at Jaltepec by year
Year	Coldest night (TNn)
1976	0.6 C (33.1 F)
1978	5.0 C (41.0 F)
1979	5.0 C (41.0 F)
1980	0.0 C (32.0 F)
1981	0.6 C (33.1 F)
1982	2.8 C (37.0 F)
1983	-7.8 C (18.0 F)
1984	1.7 C (35.1 F)
1985	2.8 C (37.0 F)
1986	-4.4 C (24.1 F)
1987	3.9 C (39.0 F)
1988	2.2 C (36.0 F)
1991	2.8 C (37.0 F)
1992	2.8 C (37.0 F)
2000	2.8 C (37.0 F)
2001	0.0 C (32.0 F)
2002	-2.2 C (28.0 F)
2003	-2.2 C (28.0 F)
2004	0.6 C (33.1 F)
2005	0.0 C (32.0 F)
2006	-3.3 C (26.1 F)
2007	0.6 C (33.1 F)
2008	0.0 C (32.0 F)
2011	-1.1 C (30.0 F)
2012	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Jaltepec, 1976 to 2012. The record is 259.8 mm (10.2 in) in 1983, marked on the chart; the median year is 48.3 mm (1.9 in).

Wettest day (Rx1day) at Jaltepec by year
Year	Wettest day (Rx1day)
1976	1.8 mm (0.07 in)
1978	42.9 mm (1.7 in)
1979	0.0 mm (0.00 in)
1980	42.4 mm (1.7 in)
1981	199.9 mm (7.9 in)
1982	190.0 mm (7.5 in)
1983	259.8 mm (10.2 in)
1984	208.8 mm (8.2 in)
1985	179.8 mm (7.1 in)
1986	199.9 mm (7.9 in)
1987	47.0 mm (1.9 in)
1988	0.0 mm (0.00 in)
1991	55.6 mm (2.2 in)
1992	0.0 mm (0.00 in)
2000	61.2 mm (2.4 in)
2001	58.2 mm (2.3 in)
2002	57.2 mm (2.3 in)
2003	52.1 mm (2.1 in)
2004	43.2 mm (1.7 in)
2005	48.3 mm (1.9 in)
2006	28.4 mm (1.1 in)
2007	36.6 mm (1.4 in)
2008	72.4 mm (2.9 in)
2011	0.0 mm (0.00 in)
2012	43.2 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Jaltepec, 1976 to 2012. The record is 489.6 mm (19.3 in) in 1981, marked on the chart; the median year is 108.0 mm (4.3 in).

Wettest five days (Rx5day) at Jaltepec by year
Year	Wettest five days (Rx5day)
1976	2.6 mm (0.10 in)
1978	53.3 mm (2.1 in)
1979	0.0 mm (0.00 in)
1980	120.9 mm (4.8 in)
1981	489.6 mm (19.3 in)
1982	412.9 mm (16.3 in)
1983	269.7 mm (10.6 in)
1984	446.3 mm (17.6 in)
1985	206.6 mm (8.1 in)
1986	239.8 mm (9.4 in)
1987	76.5 mm (3.0 in)
1988	0.0 mm (0.00 in)
1991	167.0 mm (6.6 in)
1992	0.0 mm (0.00 in)
2000	135.9 mm (5.4 in)
2001	150.0 mm (5.9 in)
2002	128.2 mm (5.0 in)
2003	93.5 mm (3.7 in)
2004	85.4 mm (3.4 in)
2005	90.2 mm (3.6 in)
2006	62.2 mm (2.4 in)
2007	86.7 mm (3.4 in)
2008	108.0 mm (4.3 in)
2011	0.0 mm (0.00 in)
2012	111.0 mm (4.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Jaltepec, 1976 to 2012. The record is 121 days in 1976, marked on the chart; the median year is 62 days.

Longest dry spell (CDD) at Jaltepec by year
Year	Longest dry spell (CDD)
1976	121 days
1978	52 days
1979	59 days
1980	66 days
1981	62 days
1982	38 days
1983	66 days
1984	62 days
1985	59 days
1986	55 days
1987	60 days
1988	31 days
1991	118 days
1992	60 days
2000	86 days
2001	56 days
2002	39 days
2003	94 days
2004	66 days
2005	103 days
2006	60 days
2007	63 days
2008	67 days
2011	31 days
2012	80 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 Jaltepec standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jaltepec 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).