Jamiltepec Weather Records (MXN00020350)

Record envelope, standing records and threshold days for Jamiltepec (MXN00020350), Mexico, with 32 years of record.

Key Facts for Jamiltepec

Jamiltepec (MXN00020350) is a weather station in Mexico at 16.27 latitude and -97.82 longitude, 462 m (1,515 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at Jamiltepec still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 16.27 latitude, -97.82 longitude.
Elevation: 462 m (1,515 ft).
Period of record: 1981 to 2012, 32 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 Jamiltepec. 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 Jamiltepec, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.8 C (100.0 F)	15.6 C (60.1 F)	n/a	n/a
Feb	38.9 C (102.0 F)	11.7 C (53.1 F)	n/a	n/a
Mar	38.9 C (102.0 F)	15.0 C (59.0 F)	n/a	n/a
Apr	38.9 C (102.0 F)	15.6 C (60.1 F)	n/a	n/a
May	40.0 C (104.0 F)	15.6 C (60.1 F)	n/a	n/a
Jun	40.6 C (105.1 F)	15.0 C (59.0 F)	n/a	n/a
Jul	39.4 C (102.9 F)	15.6 C (60.1 F)	n/a	n/a
Aug	39.4 C (102.9 F)	15.6 C (60.1 F)	n/a	n/a
Sep	36.1 C (97.0 F)	13.9 C (57.0 F)	n/a	n/a
Oct	35.6 C (96.1 F)	15.6 C (60.1 F)	n/a	n/a
Nov	37.8 C (100.0 F)	15.0 C (59.0 F)	n/a	n/a
Dec	37.8 C (100.0 F)	13.9 C (57.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Jamiltepec still stand. 2003 holds the most, with 186.

Standing records at Jamiltepec by the year they were set
Year set	Standing records
1981	93
1982	155
1983	162
1984	117
1985	28
1987	64
1988	77
1991	13
1992	82
1999	55
2000	22
2001	73
2002	102
2003	186
2004	50
2005	6
2006	15
2007	50
2008	46
2009	11
2010	26
2011	14
2012	17

Wettest Day of Each Month

Aug: 166.9 mm (6.6 in)

The wettest day on record for each calendar month at Jamiltepec. The most was 166.9 mm (6.6 in) on 27 August 1981.

Record daily precipitation for each month at Jamiltepec
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	17 January 2004
Feb	71.9 mm (2.8 in)	4 February 2010
Mar	17.8 mm (0.7 in)	5 March 1987
Apr	7.6 mm (0.30 in)	23 April 2005
May	87.4 mm (3.4 in)	29 May 1992
Jun	142.7 mm (5.6 in)	26 June 2003
Jul	138.9 mm (5.5 in)	22 July 2006
Aug	166.9 mm (6.6 in)	27 August 1981
Sep	158.8 mm (6.3 in)	4 September 1983
Oct	160.8 mm (6.3 in)	3 October 2005
Nov	59.9 mm (2.4 in)	2 November 2002
Dec	9.9 mm (0.39 in)	24 December 1991

Period of Record Coverage

1981 to 2012

23 years of record at Jamiltepec, 1981 to 2012. 10 years have data for under 90 percent of days and are left out of rankings: 1981, 1985, 1988, 1991, 1992, 1999, 2000, 2001 and others.

Days with data per year at Jamiltepec
Year	Days with data	Share of year	Complete
1981	306	84%	No
1982	365	100%	Yes
1983	359	98%	Yes
1984	339	93%	Yes
1985	214	59%	No
1987	365	100%	Yes
1988	273	75%	No
1991	182	50%	No
1992	255	70%	No
1999	123	34%	No
2000	273	75%	No
2001	189	52%	No
2002	278	76%	No
2003	231	63%	No
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	335	92%	Yes

Latest Records

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

Climate Trend

10 complete years, 1982 to 2010

One stripe for each of 10 complete years at Jamiltepec, 1982 to 2010. Blue stripes are years cooler than the station's own mean of 27.0 C (80.6 F); red stripes are warmer. The coolest year was 1987, at 26.5 C (79.7 F), and the warmest was 2007, at 27.6 C (81.7 F). The strongest colour marks a difference of 0.7 C (1.3 F).

Annual mean temperature at Jamiltepec as warming stripes, 1982 to 2010
Year	Annual mean temperature	Difference from the station mean
1982	27.1 C	+0.13 C
1983	26.9 C	-0.11 C
1987	26.5 C	-0.50 C
2004	26.6 C	-0.42 C
2005	27.1 C	+0.09 C
2006	27.1 C	+0.09 C
2007	27.6 C	+0.64 C
2008	27.0 C	+0.02 C
2009	27.2 C	+0.25 C
2010	26.8 C	-0.20 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

1981 to 2012

Yearly extremes at Jamiltepec: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	1988	38.9 C (102.0 F)	23
Coldest night (TNn)	11.7 C (53.1 F)	1988	15.6 C (60.1 F)	23
Wettest day (Rx1day)	166.9 mm (6.6 in)	1981	115.8 mm (4.6 in)	23
Wettest five days (Rx5day)	410.0 mm (16.1 in)	2005	223.0 mm (8.8 in)	23
Longest dry spell (CDD)	138 days	2000	95 days	23

Hottest day (TXx)

The hottest day of the year at Jamiltepec, 1981 to 2012. The record is 40.6 C (105.1 F) in 1988, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Jamiltepec by year
Year	Hottest day (TXx)
1981	38.9 C (102.0 F)
1982	36.7 C (98.1 F)
1983	36.7 C (98.1 F)
1984	35.6 C (96.1 F)
1985	36.7 C (98.1 F)
1987	38.9 C (102.0 F)
1988	40.6 C (105.1 F)
1991	38.9 C (102.0 F)
1992	37.8 C (100.0 F)
1999	35.0 C (95.0 F)
2000	38.9 C (102.0 F)
2001	37.8 C (100.0 F)
2002	38.9 C (102.0 F)
2003	40.0 C (104.0 F)
2004	38.3 C (100.9 F)
2005	38.9 C (102.0 F)
2006	38.9 C (102.0 F)
2007	38.9 C (102.0 F)
2008	38.9 C (102.0 F)
2009	38.9 C (102.0 F)
2010	38.9 C (102.0 F)
2011	38.9 C (102.0 F)
2012	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Jamiltepec, 1981 to 2012. The record is 11.7 C (53.1 F) in 1988, marked on the chart; the median year is 15.6 C (60.1 F).

Coldest night (TNn) at Jamiltepec by year
Year	Coldest night (TNn)
1981	18.9 C (66.0 F)
1982	16.7 C (62.1 F)
1983	17.8 C (64.0 F)
1984	16.7 C (62.1 F)
1985	18.9 C (66.0 F)
1987	13.9 C (57.0 F)
1988	11.7 C (53.1 F)
1991	16.7 C (62.1 F)
1992	13.9 C (57.0 F)
1999	18.9 C (66.0 F)
2000	15.0 C (59.0 F)
2001	15.6 C (60.1 F)
2002	15.6 C (60.1 F)
2003	15.0 C (59.0 F)
2004	15.6 C (60.1 F)
2005	16.7 C (62.1 F)
2006	15.6 C (60.1 F)
2007	16.7 C (62.1 F)
2008	16.7 C (62.1 F)
2009	16.7 C (62.1 F)
2010	15.0 C (59.0 F)
2011	15.6 C (60.1 F)
2012	15.6 C (60.1 F)

Wettest day (Rx1day)

The wettest day of the year at Jamiltepec, 1981 to 2012. The record is 166.9 mm (6.6 in) in 1981, marked on the chart; the median year is 115.8 mm (4.6 in).

Wettest day (Rx1day) at Jamiltepec by year
Year	Wettest day (Rx1day)
1981	166.9 mm (6.6 in)
1982	87.9 mm (3.5 in)
1983	158.8 mm (6.3 in)
1984	140.0 mm (5.5 in)
1985	104.9 mm (4.1 in)
1987	90.9 mm (3.6 in)
1988	102.9 mm (4.1 in)
1991	75.9 mm (3.0 in)
1992	112.8 mm (4.4 in)
1999	75.4 mm (3.0 in)
2000	152.9 mm (6.0 in)
2001	135.9 mm (5.4 in)
2002	82.8 mm (3.3 in)
2003	142.7 mm (5.6 in)
2004	117.3 mm (4.6 in)
2005	160.8 mm (6.3 in)
2006	138.9 mm (5.5 in)
2007	113.8 mm (4.5 in)
2008	125.0 mm (4.9 in)
2009	130.8 mm (5.1 in)
2010	115.8 mm (4.6 in)
2011	89.9 mm (3.5 in)
2012	105.9 mm (4.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Jamiltepec, 1981 to 2012. The record is 410.0 mm (16.1 in) in 2005, marked on the chart; the median year is 223.0 mm (8.8 in).

Wettest five days (Rx5day) at Jamiltepec by year
Year	Wettest five days (Rx5day)
1981	351.6 mm (13.8 in)
1982	176.0 mm (6.9 in)
1983	302.1 mm (11.9 in)
1984	218.0 mm (8.6 in)
1985	151.9 mm (6.0 in)
1987	169.9 mm (6.7 in)
1988	261.1 mm (10.3 in)
1991	180.3 mm (7.1 in)
1992	132.6 mm (5.2 in)
1999	224.5 mm (8.8 in)
2000	232.3 mm (9.1 in)
2001	255.6 mm (10.1 in)
2002	223.0 mm (8.8 in)
2003	223.3 mm (8.8 in)
2004	198.6 mm (7.8 in)
2005	410.0 mm (16.1 in)
2006	301.3 mm (11.9 in)
2007	163.8 mm (6.4 in)
2008	219.4 mm (8.6 in)
2009	184.2 mm (7.3 in)
2010	243.1 mm (9.6 in)
2011	135.2 mm (5.3 in)
2012	223.4 mm (8.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Jamiltepec, 1981 to 2012. The record is 138 days in 2000, marked on the chart; the median year is 95 days.

Longest dry spell (CDD) at Jamiltepec by year
Year	Longest dry spell (CDD)
1981	55 days
1982	57 days
1983	71 days
1984	70 days
1985	93 days
1987	90 days
1988	64 days
1991	46 days
1992	112 days
1999	71 days
2000	138 days
2001	63 days
2002	124 days
2003	133 days
2004	117 days
2005	85 days
2006	121 days
2007	95 days
2008	138 days
2009	129 days
2010	98 days
2011	136 days
2012	128 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 Jamiltepec standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jamiltepec 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).