Ucareo Weather Records (MXN00016255)

Record envelope, standing records and threshold days for Ucareo (MXN00016255), Mexico, with 30 years of record.

Key Facts for Ucareo

Ucareo (MXN00016255) is a weather station in Mexico at 19.90 latitude and -100.68 longitude, 2,554 m (8,379 ft) above sea level.
The station reports from 1981 to 2010, 30 years of record.
1,464 records set at Ucareo still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.90 latitude, -100.68 longitude.
Elevation: 2,554 m (8,379 ft).
Period of record: 1981 to 2010, 30 years.
Eligible elements: tmax, tmin.

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 Ucareo. 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 Ucareo, 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)	-3.3 C (26.1 F)	n/a	n/a
Feb	35.0 C (95.0 F)	-3.3 C (26.1 F)	n/a	n/a
Mar	35.6 C (96.1 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	36.7 C (98.1 F)	-3.3 C (26.1 F)	n/a	n/a
May	37.8 C (100.0 F)	0.0 C (32.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Jul	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Aug	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	0.0 C (32.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Nov	30.6 C (87.1 F)	0.0 C (32.0 F)	n/a	n/a
Dec	30.6 C (87.1 F)	-3.3 C (26.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ucareo still stand. 2006 holds the most, with 186.

Standing records at Ucareo by the year they were set
Year set	Standing records
1981	51
1982	52
1983	73
1984	56
1985	38
1986	37
1987	31
1988	23
1989	24
1990	24
1991	36
1992	9
1993	10
1994	3
1995	6
1996	59
1997	37
1998	124
1999	3
2000	7
2001	112
2002	12
2003	14
2004	16
2005	75
2006	186
2007	131
2008	60
2009	79
2010	76

Wettest Day of Each Month

Sep: 68.3 mm (2.7 in)

The wettest day on record for each calendar month at Ucareo. The most was 68.3 mm (2.7 in) on 14 September 1983.

Record daily precipitation for each month at Ucareo
Month	Record daily precipitation (mm)	Date
Jan	48.5 mm (1.9 in)	28 January 1992
Feb	46.2 mm (1.8 in)	2 February 1992
Mar	20.1 mm (0.8 in)	21 March 1997
Apr	25.7 mm (1.0 in)	16 April 1981
May	50.8 mm (2.0 in)	25 May 1983
Jun	48.8 mm (1.9 in)	25 June 1986
Jul	54.4 mm (2.1 in)	20 July 2002
Aug	49.3 mm (1.9 in)	30 August 2002
Sep	68.3 mm (2.7 in)	14 September 1983
Oct	36.6 mm (1.4 in)	6 October 1992
Nov	32.8 mm (1.3 in)	3 November 2003
Dec	32.8 mm (1.3 in)	29 December 1995

Period of Record Coverage

1981 to 2010

30 years of record at Ucareo, 1981 to 2010. 6 years have data for under 90 percent of days and are left out of rankings: 2000, 2004, 2005, 2006, 2007, 2008.

Days with data per year at Ucareo
Year	Days with data	Share of year	Complete
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	334	92%	Yes
1994	365	100%	Yes
1995	364	100%	Yes
1996	366	100%	Yes
1997	334	92%	Yes
1998	365	100%	Yes
1999	334	92%	Yes
2000	275	75%	No
2001	365	100%	Yes
2002	365	100%	Yes
2003	335	92%	Yes
2004	212	58%	No
2005	242	66%	No
2006	293	80%	No
2007	299	82%	No
2008	329	90%	No
2009	349	96%	Yes
2010	351	96%	Yes

Latest Records

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

Climate Trend

19 complete years, 1981 to 2010

One stripe for each of 19 complete years at Ucareo, 1981 to 2010. Blue stripes are years cooler than the station's own mean of 14.1 C (57.3 F); red stripes are warmer. The coolest year was 2001, at 11.0 C (51.8 F), and the warmest was 2010, at 17.0 C (62.5 F). The strongest colour marks a difference of 3.1 C (5.6 F).

Annual mean temperature at Ucareo as warming stripes, 1981 to 2010
Year	Annual mean temperature	Difference from the station mean
1981	13.8 C	-0.27 C
1982	14.5 C	+0.40 C
1983	14.0 C	-0.06 C
1984	13.6 C	-0.44 C
1985	13.6 C	-0.50 C
1986	14.4 C	+0.38 C
1987	14.5 C	+0.47 C
1988	14.4 C	+0.34 C
1989	14.3 C	+0.26 C
1990	13.9 C	-0.21 C
1992	14.5 C	+0.47 C
1994	14.8 C	+0.69 C
1995	14.8 C	+0.76 C
1996	13.3 C	-0.72 C
1998	11.5 C	-2.56 C
2001	11.0 C	-3.05 C
2002	12.6 C	-1.48 C
2009	16.6 C	+2.54 C
2010	17.0 C	+2.91 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 2010

Yearly extremes at Ucareo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	2008	27.8 C (82.0 F)	30
Coldest night (TNn)	-3.3 C (26.1 F)	1997	0.3 C (32.5 F)	30
Wettest day (Rx1day)	68.3 mm (2.7 in)	1983	36.5 mm (1.4 in)	30
Wettest five days (Rx5day)	175.2 mm (6.9 in)	1993	84.2 mm (3.3 in)	30
Longest dry spell (CDD)	304 days	2005	112 days	30

Hottest day (TXx)

The hottest day of the year at Ucareo, 1981 to 2010. The record is 37.8 C (100.0 F) in 2008, marked on the chart; the median year is 27.8 C (82.0 F).

Hottest day (TXx) at Ucareo by year
Year	Hottest day (TXx)
1981	26.1 C (79.0 F)
1982	28.3 C (82.9 F)
1983	30.0 C (86.0 F)
1984	27.2 C (81.0 F)
1985	28.3 C (82.9 F)
1986	27.8 C (82.0 F)
1987	25.6 C (78.1 F)
1988	28.9 C (84.0 F)
1989	28.9 C (84.0 F)
1990	27.8 C (82.0 F)
1991	28.9 C (84.0 F)
1992	26.1 C (79.0 F)
1993	27.8 C (82.0 F)
1994	28.9 C (84.0 F)
1995	27.8 C (82.0 F)
1996	28.9 C (84.0 F)
1997	23.9 C (75.0 F)
1998	27.8 C (82.0 F)
1999	26.7 C (80.1 F)
2000	26.7 C (80.1 F)
2001	25.6 C (78.1 F)
2002	25.0 C (77.0 F)
2003	27.8 C (82.0 F)
2004	27.8 C (82.0 F)
2005	30.0 C (86.0 F)
2006	35.6 C (96.1 F)
2007	35.6 C (96.1 F)
2008	37.8 C (100.0 F)
2009	36.7 C (98.1 F)
2010	36.7 C (98.1 F)

Coldest night (TNn)

The coldest night of the year at Ucareo, 1981 to 2010. The record is -3.3 C (26.1 F) in 1997, marked on the chart; the median year is 0.3 C (32.5 F).

Coldest night (TNn) at Ucareo by year
Year	Coldest night (TNn)
1981	0.0 C (32.0 F)
1982	1.7 C (35.1 F)
1983	-2.8 C (27.0 F)
1984	2.2 C (36.0 F)
1985	-1.7 C (28.9 F)
1986	-0.6 C (30.9 F)
1987	1.7 C (35.1 F)
1988	-2.2 C (28.0 F)
1989	0.0 C (32.0 F)
1990	0.6 C (33.1 F)
1991	2.8 C (37.0 F)
1992	1.7 C (35.1 F)
1993	1.7 C (35.1 F)
1994	2.8 C (37.0 F)
1995	0.6 C (33.1 F)
1996	0.0 C (32.0 F)
1997	-3.3 C (26.1 F)
1998	-3.3 C (26.1 F)
1999	0.0 C (32.0 F)
2000	0.6 C (33.1 F)
2001	-2.2 C (28.0 F)
2002	0.0 C (32.0 F)
2003	0.0 C (32.0 F)
2004	1.1 C (34.0 F)
2005	1.7 C (35.1 F)
2006	0.0 C (32.0 F)
2007	0.0 C (32.0 F)
2008	0.6 C (33.1 F)
2009	1.7 C (35.1 F)
2010	0.6 C (33.1 F)

Wettest day (Rx1day)

The wettest day of the year at Ucareo, 1981 to 2010. The record is 68.3 mm (2.7 in) in 1983, marked on the chart; the median year is 36.5 mm (1.4 in).

Wettest day (Rx1day) at Ucareo by year
Year	Wettest day (Rx1day)
1981	36.8 mm (1.4 in)
1982	50.3 mm (2.0 in)
1983	68.3 mm (2.7 in)
1984	33.5 mm (1.3 in)
1985	45.0 mm (1.8 in)
1986	48.8 mm (1.9 in)
1987	27.4 mm (1.1 in)
1988	38.1 mm (1.5 in)
1989	27.9 mm (1.1 in)
1990	49.0 mm (1.9 in)
1991	36.1 mm (1.4 in)
1992	48.5 mm (1.9 in)
1993	49.8 mm (2.0 in)
1994	20.1 mm (0.8 in)
1995	32.8 mm (1.3 in)
1996	0.0 mm (0.00 in)
1997	30.0 mm (1.2 in)
1998	41.1 mm (1.6 in)
1999	41.1 mm (1.6 in)
2000	26.2 mm (1.0 in)
2001	28.4 mm (1.1 in)
2002	54.4 mm (2.1 in)
2003	36.8 mm (1.4 in)
2004	0.0 mm (0.00 in)
2005	0.0 mm (0.00 in)
2006	19.8 mm (0.8 in)
2007	39.9 mm (1.6 in)
2008	38.9 mm (1.5 in)
2009	19.8 mm (0.8 in)
2010	19.8 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ucareo, 1981 to 2010. The record is 175.2 mm (6.9 in) in 1993, marked on the chart; the median year is 84.2 mm (3.3 in).

Wettest five days (Rx5day) at Ucareo by year
Year	Wettest five days (Rx5day)
1981	72.6 mm (2.9 in)
1982	108.5 mm (4.3 in)
1983	134.1 mm (5.3 in)
1984	92.7 mm (3.6 in)
1985	107.3 mm (4.2 in)
1986	120.2 mm (4.7 in)
1987	96.5 mm (3.8 in)
1988	129.0 mm (5.1 in)
1989	71.9 mm (2.8 in)
1990	141.2 mm (5.6 in)
1991	82.2 mm (3.2 in)
1992	123.7 mm (4.9 in)
1993	175.2 mm (6.9 in)
1994	72.5 mm (2.9 in)
1995	61.3 mm (2.4 in)
1996	32.8 mm (1.3 in)
1997	61.3 mm (2.4 in)
1998	87.7 mm (3.5 in)
1999	85.1 mm (3.4 in)
2000	66.9 mm (2.6 in)
2001	70.1 mm (2.8 in)
2002	83.3 mm (3.3 in)
2003	97.5 mm (3.8 in)
2004	0.0 mm (0.00 in)
2005	0.0 mm (0.00 in)
2006	42.9 mm (1.7 in)
2007	94.7 mm (3.7 in)
2008	90.4 mm (3.6 in)
2009	37.5 mm (1.5 in)
2010	31.5 mm (1.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ucareo, 1981 to 2010. The record is 304 days in 2005, marked on the chart; the median year is 112 days.

Longest dry spell (CDD) at Ucareo by year
Year	Longest dry spell (CDD)
1981	32 days
1982	52 days
1983	70 days
1984	90 days
1985	51 days
1986	70 days
1987	109 days
1988	82 days
1989	122 days
1990	60 days
1991	128 days
1992	80 days
1993	168 days
1994	207 days
1995	152 days
1996	152 days
1997	126 days
1998	152 days
1999	120 days
2000	138 days
2001	114 days
2002	173 days
2003	126 days
2004	214 days
2005	304 days
2006	52 days
2007	34 days
2008	75 days
2009	30 days
2010	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 Ucareo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ucareo 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 2026-10-16 (16 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).