Samalayuca Threshold Days by Year (MXN00008121)

17 fixed thresholds counted per year at Samalayuca (MXN00008121): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Samalayuca Thresholds

Samalayuca: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1989 with 202.
Samalayuca: days with a maximum temperature at or above 35 C (95 F) in 51 years, most in 1959 with 144.
Samalayuca: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1959 with 165.
Samalayuca: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1956 with 122.
17 fixed thresholds have at least one qualifying day at Samalayuca.

Days at or above 30 C (86 F)

51 years with a qualifying day

Days per year at Samalayuca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 202 in 1989.

Days at or above 30 C (86 F) per year at Samalayuca
Year	Days	Decade average
1947	168	165
1948	167	165
1949	160	165
1950	180	168.1
1951	168	168.1
1952	161	168.1
1953	159	168.1
1954	166	168.1
1955	155	168.1
1956	169	168.1
1958	168	168.1
1959	187	168.1
1960	190	175.7
1961	169	175.7
1962	171	175.7
1963	181	175.7
1964	166	175.7
1965	164	175.7
1966	166	175.7
1967	193	175.7
1968	177	175.7
1969	180	175.7
1970	163	118.4
1971	148	118.4
1972	132	118.4
1973	121	118.4
1974	121	118.4
1975	105	118.4
1976	48	118.4
1977	147	118.4
1978	103	118.4
1979	96	118.4
1980	121	152
1981	132	152
1982	146	152
1983	145	152
1984	135	152
1985	143	152
1986	134	152
1987	167	152
1988	195	152
1989	202	152
1991	165	166.4
1992	179	166.4
1993	182	166.4
1994	176	166.4
1995	191	166.4
1996	171	166.4
1997	142	166.4
1998	138	166.4
1999	154	166.4

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

First to last qualifying date each year at Samalayuca
Year	First date	Last date
1947	1947-03-26	1947-10-26
1948	1948-04-08	1948-10-15
1949	1949-03-21	1949-10-12
1950	1950-03-31	1950-11-01
1951	1951-04-04	1951-10-23
1952	1952-04-04	1952-11-02
1953	1953-03-25	1953-10-22
1954	1954-04-03	1954-10-19
1955	1955-04-14	1955-10-25
1956	1956-03-25	1956-10-23
1958	1958-02-18	1958-11-10
1959	1959-03-24	1959-11-02
1960	1960-03-05	1960-11-03
1961	1961-04-04	1961-10-22
1962	1962-02-10	1962-10-15
1963	1963-03-26	1963-10-15
1964	1964-03-31	1964-10-31
1965	1965-04-12	1965-11-20
1966	1966-03-15	1966-11-17
1967	1967-03-12	1967-10-25
1968	1968-03-27	1968-10-30
1969	1969-03-29	1969-10-18
1970	1970-04-10	1970-10-19
1971	1971-03-17	1971-10-24
1972	1972-03-04	1972-10-11
1973	1973-04-28	1973-12-03
1974	1974-03-17	1974-10-10
1975	1975-04-15	1975-10-20
1976	1976-04-21	1976-09-23
1977	1977-04-08	1977-10-02
1978	1978-04-16	1978-10-18
1979	1979-04-23	1979-10-21
1980	1980-04-20	1980-11-11
1981	1981-04-02	1981-10-04
1982	1982-04-07	1982-10-25
1983	1983-03-31	1983-10-10
1984	1984-04-06	1984-10-10
1985	1985-03-09	1985-10-07
1986	1986-03-31	1986-10-01
1987	1987-04-01	1987-10-31
1988	1988-02-29	1988-11-13
1989	1989-02-25	1989-10-27
1991	1991-03-10	1991-10-21
1992	1992-04-07	1992-10-27
1993	1993-03-17	1993-10-25
1994	1994-03-07	1994-10-06
1995	1995-02-21	1995-12-07
1996	1996-02-21	1996-10-16
1997	1997-05-01	1997-10-10
1998	1998-03-22	1998-10-16
1999	1999-04-07	1999-10-13

Every Fixed Threshold

Fixed thresholds at Samalayuca
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	51	202	1989	154
35 C (95 F): Days	51	144	1959	40
40 C (104 F): Days	46	83	1958	5
45 C (113 F): Days	3	9	1958	5
90 F (32.2 C): Days	51	165	1959	100
100 F (37.8 C): Days	50	104	1958	9
110 F (43.3 C): Days	16	16	1958	1
0 C (32 F): Ice days (max	15	4	1976	2
0 C (32 F): Frost days (min	51	122	1956	84
-10 C (14 F): Days with min	40	12	1959	1
-20 C (-4 F): Days with min	2	1	1949	1
20 C (68 F): Tropical nights (min	51	82	1996	16
25 C (77 F): Days with min	21	10	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	51	14	1974	10
25 mm (0.98 in): Days with 25 mm or more rain	36	8	1986	2
50 mm (1.97 in): Days with 50 mm or more rain	9	2	1974	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1986	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

Data for Samalayuca 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).

Samalayuca Threshold Days by Year (MXN00008121)

Key Facts for Samalayuca Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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