Guemez Threshold Days by Year (MXN00028036)

16 fixed thresholds counted per year at Guemez (MXN00028036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guemez Thresholds

Guemez: nights with a minimum temperature at or above 20 C (68 F) in 49 years, most in 1963 with 188.
Guemez: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1972 with 34.
Guemez: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1969 with 18.
Guemez: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 2004 with 327.
16 fixed thresholds have at least one qualifying day at Guemez.

Days at or above 30 C (86 F)

47 years with a qualifying day

Days per year at Guemez with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 327 in 2004.

Days at or above 30 C (86 F) per year at Guemez
Year	Days	Decade average
1963	259	226.4
1964	250	226.4
1965	242	226.4
1966	192	226.4
1967	207	226.4
1968	205	226.4
1969	230	226.4
1970	238	231.3
1971	264	231.3
1972	227	231.3
1973	219	231.3
1974	228	231.3
1975	255	231.3
1976	211	231.3
1977	229	231.3
1978	210	231.3
1979	232	231.3
1980	238	234.5
1981	202	234.5
1982	250	234.5
1983	214	234.5
1984	229	234.5
1985	225	234.5
1986	248	234.5
1987	235	234.5
1988	240	234.5
1989	264	234.5
1990	285	255.5
1991	225	255.5
1992	228	255.5
1993	236	255.5
1994	265	255.5
1995	285	255.5
1996	260	255.5
1997	238	255.5
1998	292	255.5
1999	241	255.5
2000	269	272.1
2001	252	272.1
2002	271	272.1
2004	327	272.1
2006	293	272.1
2007	267	272.1
2008	255	272.1
2009	243	272.1
2010	232	242
2011	252	242

For each year, a bar from the first to the last day at Guemez meeting 30 C (86 F).

First to last qualifying date each year at Guemez
Year	First date	Last date
1963	1963-01-26	1963-12-11
1964	1964-01-19	1964-12-31
1965	1965-01-02	1965-11-26
1966	1966-02-09	1966-12-22
1967	1967-01-22	1967-12-21
1968	1968-02-21	1968-11-15
1969	1969-01-21	1969-11-17
1970	1970-01-11	1970-12-29
1971	1971-01-01	1971-11-22
1972	1972-02-06	1972-12-05
1973	1973-02-07	1973-12-30
1974	1974-01-08	1974-11-23
1975	1975-01-09	1975-12-28
1976	1976-01-01	1976-10-23
1977	1977-01-28	1977-12-17
1978	1978-01-15	1978-11-26
1979	1979-02-03	1979-11-27
1980	1980-02-19	1980-11-17
1981	1981-03-02	1981-10-31
1982	1982-01-18	1982-12-06
1983	1983-03-01	1983-11-20
1984	1984-03-13	1984-12-11
1985	1985-03-08	1985-11-27
1986	1986-01-26	1986-12-16
1987	1987-01-01	1987-12-21
1988	1988-01-16	1988-12-31
1989	1989-01-02	1989-11-27
1990	1990-01-09	1990-12-16
1991	1991-03-01	1991-10-31
1992	1992-03-02	1992-12-30
1993	1993-02-10	1993-12-10
1994	1994-01-02	1994-12-16
1995	1995-01-01	1995-12-17
1996	1996-01-01	1996-12-28
1997	1997-01-01	1997-12-23
1998	1998-01-04	1998-12-31
1999	1999-01-08	1999-12-31
2000	2000-01-09	2000-11-28
2001	2001-02-11	2001-12-30
2002	2002-01-15	2002-12-31
2004	2004-01-01	2004-12-31
2006	2006-01-01	2006-12-29
2007	2007-01-05	2007-12-24
2008	2008-01-07	2008-12-27
2009	2009-01-03	2009-12-08
2010	2010-01-22	2010-12-31
2011	2011-01-04	2011-12-30

Every Fixed Threshold

Fixed thresholds at Guemez
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	47	327	2004	252
35 C (95 F): Days	47	227	2006	156
40 C (104 F): Days	45	125	2006	20
45 C (113 F): Days	14	27	2006	1
90 F (32.2 C): Days	47	267	2004	186
100 F (37.8 C): Days	47	167	2006	74
110 F (43.3 C): Days	21	40	2004	2
120 F (48.9 C): Days	2	1	1998	1
0 C (32 F): Frost days (min	30	12	1973	4
20 C (68 F): Tropical nights (min	49	188	1963	153
25 C (77 F): Days with min	42	56	1998	13
10 mm (0.39 in): Days with 10 mm or more rain	48	34	1972	15
25 mm (0.98 in): Days with 25 mm or more rain	48	18	1969	4
50 mm (1.97 in): Days with 50 mm or more rain	45	8	1972	1
100 mm (3.94 in): Days with 100 mm or more rain	17	3	1972	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Guemez 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). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Guemez Threshold Days by Year (MXN00028036)

Key Facts for Guemez Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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