San Juan Ixhuatepec Weather Records (MXN00015092)

Record envelope, standing records and threshold days for San Juan Ixhuatepec (MXN00015092), Mexico, with 30 years of record.

Key Facts for San Juan Ixhuatepec

San Juan Ixhuatepec (MXN00015092) is a weather station in Mexico at 19.52 latitude and -99.10 longitude, 2,235 m (7,332 ft) above sea level.
The station reports from 1961 to 1990, 30 years of record.
1,464 records set at San Juan Ixhuatepec still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.52 latitude, -99.10 longitude.
Elevation: 2,235 m (7,332 ft).
Period of record: 1961 to 1990, 30 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 Juan Ixhuatepec. 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 Juan Ixhuatepec, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.3 C (82.9 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	29.4 C (84.9 F)	-6.7 C (19.9 F)	n/a	n/a
Mar	31.1 C (88.0 F)	-1.1 C (30.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	0.6 C (33.1 F)	n/a	n/a
May	33.9 C (93.0 F)	2.8 C (37.0 F)	n/a	n/a
Jun	31.7 C (89.1 F)	5.6 C (42.1 F)	n/a	n/a
Jul	28.9 C (84.0 F)	5.0 C (41.0 F)	n/a	n/a
Aug	28.9 C (84.0 F)	3.9 C (39.0 F)	n/a	n/a
Sep	27.8 C (82.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	26.7 C (80.1 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	28.9 C (84.0 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Juan Ixhuatepec still stand. 1962 holds the most, with 82.

Standing records at San Juan Ixhuatepec by the year they were set
Year set	Standing records
1961	60
1962	82
1963	40
1964	68
1965	61
1966	68
1967	53
1968	40
1969	57
1970	32
1971	25
1972	35
1973	59
1974	35
1975	40
1976	48
1977	40
1978	23
1979	44
1980	58
1981	42
1982	69
1983	62
1984	26
1985	23
1986	45
1987	79
1988	61
1989	44
1990	45

Wettest Day of Each Month

Aug: 68.8 mm (2.7 in)

The wettest day on record for each calendar month at San Juan Ixhuatepec. The most was 68.8 mm (2.7 in) on 2 August 1969.

Record daily precipitation for each month at San Juan Ixhuatepec
Month	Record daily precipitation (mm)	Date
Jan	34.8 mm (1.4 in)	10 January 1967
Feb	16.3 mm (0.6 in)	21 February 1965
Mar	33.0 mm (1.3 in)	4 March 1988
Apr	40.9 mm (1.6 in)	13 April 1962
May	29.7 mm (1.2 in)	19 May 1982
Jun	42.7 mm (1.7 in)	20 June 1982
Jul	50.8 mm (2.0 in)	31 July 1972
Aug	68.8 mm (2.7 in)	2 August 1969
Sep	44.5 mm (1.8 in)	23 September 1967
Oct	62.2 mm (2.4 in)	5 October 1982
Nov	18.0 mm (0.7 in)	7 November 1978
Dec	18.8 mm (0.7 in)	7 December 1977

Period of Record Coverage

1961 to 1990

30 years of record at San Juan Ixhuatepec, 1961 to 1990. 2 years have data for under 90 percent of days and are left out of rankings: 1978, 1990.

Days with data per year at San Juan Ixhuatepec
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	364	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	364	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	365	100%	Yes
1977	365	100%	Yes
1978	153	42%	No
1979	364	100%	Yes
1980	366	100%	Yes
1981	357	98%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	364	100%	Yes
1986	365	100%	Yes
1987	364	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	302	83%	No

Latest Records

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

Climate Trend

28 complete years, 1961 to 1989

One stripe for each of 28 complete years at San Juan Ixhuatepec, 1961 to 1989. Blue stripes are years cooler than the station's own mean of 15.9 C (60.7 F); red stripes are warmer. The coolest year was 1968, at 14.9 C (58.9 F), and the warmest was 1982, at 17.0 C (62.7 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at San Juan Ixhuatepec as warming stripes, 1961 to 1989
Year	Annual mean temperature	Difference from the station mean
1961	15.3 C	-0.61 C
1962	15.6 C	-0.33 C
1963	15.3 C	-0.58 C
1964	15.6 C	-0.29 C
1965	15.3 C	-0.64 C
1966	15.0 C	-0.90 C
1967	15.0 C	-0.95 C
1968	14.9 C	-0.99 C
1969	15.9 C	-0.03 C
1970	15.7 C	-0.24 C
1971	15.7 C	-0.26 C
1972	16.1 C	+0.20 C
1973	16.3 C	+0.42 C
1974	15.6 C	-0.31 C
1975	15.8 C	-0.14 C
1976	15.5 C	-0.39 C
1977	15.9 C	+0.02 C
1979	16.1 C	+0.15 C
1980	16.5 C	+0.59 C
1981	16.4 C	+0.48 C
1982	17.0 C	+1.12 C
1983	16.8 C	+0.89 C
1984	16.3 C	+0.36 C
1985	16.4 C	+0.43 C
1986	16.3 C	+0.40 C
1987	16.6 C	+0.68 C
1988	16.5 C	+0.57 C
1989	16.4 C	+0.43 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

1961 to 1990

Yearly extremes at San Juan Ixhuatepec: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	1983	31.1 C (88.0 F)	30
Coldest night (TNn)	-6.7 C (19.9 F)	1976	-1.7 C (28.9 F)	30
Wettest day (Rx1day)	68.8 mm (2.7 in)	1969	40.5 mm (1.6 in)	30
Wettest five days (Rx5day)	110.9 mm (4.4 in)	1968	74.5 mm (2.9 in)	30
Longest dry spell (CDD)	99 days	1986	56 days	30

Hottest day (TXx)

The hottest day of the year at San Juan Ixhuatepec, 1961 to 1990. The record is 33.9 C (93.0 F) in 1983, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at San Juan Ixhuatepec by year
Year	Hottest day (TXx)
1961	31.7 C (89.1 F)
1962	31.1 C (88.0 F)
1963	30.0 C (86.0 F)
1964	31.1 C (88.0 F)
1965	30.0 C (86.0 F)
1966	30.0 C (86.0 F)
1967	30.6 C (87.1 F)
1968	28.9 C (84.0 F)
1969	30.0 C (86.0 F)
1970	31.1 C (88.0 F)
1971	31.7 C (89.1 F)
1972	30.0 C (86.0 F)
1973	31.7 C (89.1 F)
1974	31.7 C (89.1 F)
1975	31.1 C (88.0 F)
1976	29.4 C (84.9 F)
1977	30.0 C (86.0 F)
1978	25.6 C (78.1 F)
1979	30.0 C (86.0 F)
1980	31.1 C (88.0 F)
1981	31.7 C (89.1 F)
1982	31.7 C (89.1 F)
1983	33.9 C (93.0 F)
1984	32.8 C (91.0 F)
1985	31.1 C (88.0 F)
1986	32.8 C (91.0 F)
1987	30.0 C (86.0 F)
1988	31.7 C (89.1 F)
1989	30.6 C (87.1 F)
1990	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at San Juan Ixhuatepec, 1961 to 1990. The record is -6.7 C (19.9 F) in 1976, marked on the chart; the median year is -1.7 C (28.9 F).

Coldest night (TNn) at San Juan Ixhuatepec by year
Year	Coldest night (TNn)
1961	-5.0 C (23.0 F)
1962	-5.0 C (23.0 F)
1963	-3.9 C (25.0 F)
1964	-1.7 C (28.9 F)
1965	-2.8 C (27.0 F)
1966	-4.4 C (24.1 F)
1967	-2.8 C (27.0 F)
1968	-1.7 C (28.9 F)
1969	-1.1 C (30.0 F)
1970	-1.7 C (28.9 F)
1971	-0.6 C (30.9 F)
1972	-1.7 C (28.9 F)
1973	-2.2 C (28.0 F)
1974	-2.2 C (28.0 F)
1975	-1.7 C (28.9 F)
1976	-6.7 C (19.9 F)
1977	-3.3 C (26.1 F)
1978	3.3 C (37.9 F)
1979	-1.1 C (30.0 F)
1980	-2.2 C (28.0 F)
1981	-0.6 C (30.9 F)
1982	0.0 C (32.0 F)
1983	0.0 C (32.0 F)
1984	0.6 C (33.1 F)
1985	0.0 C (32.0 F)
1986	-3.3 C (26.1 F)
1987	-1.1 C (30.0 F)
1988	-1.1 C (30.0 F)
1989	0.0 C (32.0 F)
1990	3.9 C (39.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Juan Ixhuatepec, 1961 to 1990. The record is 68.8 mm (2.7 in) in 1969, marked on the chart; the median year is 40.5 mm (1.6 in).

Wettest day (Rx1day) at San Juan Ixhuatepec by year
Year	Wettest day (Rx1day)
1961	39.9 mm (1.6 in)
1962	40.9 mm (1.6 in)
1963	42.4 mm (1.7 in)
1964	25.4 mm (1.0 in)
1965	40.9 mm (1.6 in)
1966	36.8 mm (1.4 in)
1967	44.5 mm (1.8 in)
1968	40.9 mm (1.6 in)
1969	68.8 mm (2.7 in)
1970	41.4 mm (1.6 in)
1971	35.8 mm (1.4 in)
1972	50.8 mm (2.0 in)
1973	39.9 mm (1.6 in)
1974	40.4 mm (1.6 in)
1975	45.5 mm (1.8 in)
1976	33.3 mm (1.3 in)
1977	40.1 mm (1.6 in)
1978	36.3 mm (1.4 in)
1979	33.3 mm (1.3 in)
1980	37.6 mm (1.5 in)
1981	45.2 mm (1.8 in)
1982	62.2 mm (2.4 in)
1983	39.9 mm (1.6 in)
1984	23.6 mm (0.9 in)
1985	40.6 mm (1.6 in)
1986	40.9 mm (1.6 in)
1987	42.2 mm (1.7 in)
1988	33.0 mm (1.3 in)
1989	41.7 mm (1.6 in)
1990	31.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Juan Ixhuatepec, 1961 to 1990. The record is 110.9 mm (4.4 in) in 1968, marked on the chart; the median year is 74.5 mm (2.9 in).

Wettest five days (Rx5day) at San Juan Ixhuatepec by year
Year	Wettest five days (Rx5day)
1961	81.1 mm (3.2 in)
1962	71.4 mm (2.8 in)
1963	72.0 mm (2.8 in)
1964	81.3 mm (3.2 in)
1965	79.1 mm (3.1 in)
1966	46.5 mm (1.8 in)
1967	81.8 mm (3.2 in)
1968	110.9 mm (4.4 in)
1969	99.5 mm (3.9 in)
1970	74.7 mm (2.9 in)
1971	60.9 mm (2.4 in)
1972	79.6 mm (3.1 in)
1973	67.1 mm (2.6 in)
1974	77.0 mm (3.0 in)
1975	80.8 mm (3.2 in)
1976	80.3 mm (3.2 in)
1977	70.4 mm (2.8 in)
1978	51.8 mm (2.0 in)
1979	74.2 mm (2.9 in)
1980	88.9 mm (3.5 in)
1981	63.0 mm (2.5 in)
1982	83.5 mm (3.3 in)
1983	65.8 mm (2.6 in)
1984	61.7 mm (2.4 in)
1985	61.8 mm (2.4 in)
1986	85.6 mm (3.4 in)
1987	67.3 mm (2.6 in)
1988	42.5 mm (1.7 in)
1989	80.1 mm (3.2 in)
1990	55.4 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Juan Ixhuatepec, 1961 to 1990. The record is 99 days in 1986, marked on the chart; the median year is 56 days.

Longest dry spell (CDD) at San Juan Ixhuatepec by year
Year	Longest dry spell (CDD)
1961	50 days
1962	54 days
1963	77 days
1964	46 days
1965	51 days
1966	48 days
1967	53 days
1968	49 days
1969	38 days
1970	63 days
1971	77 days
1972	83 days
1973	57 days
1974	64 days
1975	65 days
1976	57 days
1977	61 days
1978	16 days
1979	75 days
1980	36 days
1981	33 days
1982	60 days
1983	55 days
1984	82 days
1985	65 days
1986	99 days
1987	49 days
1988	41 days
1989	57 days
1990	30 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 Juan Ixhuatepec standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Juan Ixhuatepec 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).