Zimapan Threshold Days by Year (MXN00013044)

13 fixed thresholds counted per year at Zimapan (MXN00013044): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zimapan Thresholds

Zimapan: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1948 with 345.
Zimapan: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1944 with 245.
Zimapan: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1946 with 25.
Zimapan: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1984 with 11.
13 fixed thresholds have at least one qualifying day at Zimapan.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Zimapan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 345 in 1948.

Days at or above 30 C (86 F) per year at Zimapan
Year	Days	Decade average
1942	204	287
1943	241	287
1944	303	287
1945	303	287
1946	314	287
1947	299	287
1948	345	287
1956	106	115.8
1957	88	115.8
1958	95	115.8
1959	174	115.8
1960	218	128.1
1961	181	128.1
1962	217	128.1
1963	177	128.1
1964	184	128.1
1965	84	128.1
1966	40	128.1
1967	41	128.1
1968	48	128.1
1969	91	128.1
1970	90	97.3
1971	83	97.3
1972	108	97.3
1973	96	97.3
1974	105	97.3
1975	123	97.3
1976	70	97.3
1977	85	97.3
1979	116	97.3
1980	120	117.2
1981	128	117.2
1982	128	117.2
1983	95	117.2
1984	83	117.2
1985	87	117.2
1986	109	117.2
1987	136	117.2
1988	164	117.2
1989	122	117.2

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

First to last qualifying date each year at Zimapan
Year	First date	Last date
1942	1942-01-01	1942-12-27
1943	1943-01-02	1943-12-27
1944	1944-01-31	1944-12-31
1945	1945-01-01	1945-12-30
1946	1946-01-02	1946-12-30
1947	1947-01-02	1947-12-31
1948	1948-01-01	1948-12-31
1956	1956-02-14	1956-11-16
1957	1957-03-20	1957-11-29
1958	1958-02-27	1958-10-09
1959	1959-01-17	1959-12-31
1960	1960-01-02	1960-12-15
1961	1961-01-29	1961-12-15
1962	1962-01-10	1962-12-25
1963	1963-01-14	1963-12-12
1964	1964-01-23	1964-11-19
1965	1965-02-06	1965-11-27
1966	1966-03-06	1966-11-12
1967	1967-01-25	1967-11-22
1968	1968-03-17	1968-11-16
1969	1969-01-24	1969-12-27
1970	1970-01-12	1970-12-30
1971	1971-01-01	1971-12-20
1972	1972-01-09	1972-12-29
1973	1973-01-08	1973-12-29
1974	1974-01-04	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-12
1977	1977-01-02	1977-12-31
1979	1979-02-24	1979-11-19
1980	1980-02-17	1980-11-14
1981	1981-02-08	1981-12-25
1982	1982-01-02	1982-10-09
1983	1983-03-03	1983-11-14
1984	1984-02-17	1984-11-09
1985	1985-03-04	1985-12-12
1986	1986-02-17	1986-11-23
1987	1987-01-18	1987-11-25
1988	1988-01-31	1988-12-25
1989	1989-01-06	1989-11-08

Every Fixed Threshold

Fixed thresholds at Zimapan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	345	1948	122
35 C (95 F): Days	35	182	1944	12
40 C (104 F): Days	5	6	1964	6
45 C (113 F): Days	1	1	1960	1
90 F (32.2 C): Days	39	245	1944	46
100 F (37.8 C): Days	18	54	1944	3
110 F (43.3 C): Days	1	1	1960	1
0 C (32 F): Frost days (min	31	12	1967	10
20 C (68 F): Tropical nights (min	12	32	1942	1
25 C (77 F): Days with min	2	1	1942	1
10 mm (0.39 in): Days with 10 mm or more rain	39	25	1946	11
25 mm (0.98 in): Days with 25 mm or more rain	37	11	1984	4
50 mm (1.97 in): Days with 50 mm or more rain	9	2	1958	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Zimapan 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).

Zimapan Threshold Days by Year (MXN00013044)

Key Facts for Zimapan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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