Cotija Threshold Days by Year (MXN00016025)

10 fixed thresholds counted per year at Cotija (MXN00016025): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cotija Thresholds

Cotija: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1978 with 58.
Cotija: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1967 with 20.
Cotija: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1965 with 312.
Cotija: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1965 with 119.
10 fixed thresholds have at least one qualifying day at Cotija.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at Cotija with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 312 in 1965.

Days at or above 30 C (86 F) per year at Cotija
Year	Days	Decade average
1925	107	54.5
1927	2	54.5
1933	64	31.6
1936	27	31.6
1937	23	31.6
1938	16	31.6
1939	28	31.6
1940	132	63.6
1941	78	63.6
1945	111	63.6
1946	10	63.6
1947	15	63.6
1948	51	63.6
1949	48	63.6
1950	82	69.3
1951	32	69.3
1952	108	69.3
1954	94	69.3
1955	108	69.3
1956	71	69.3
1957	48	69.3
1958	64	69.3
1959	17	69.3
1960	95	197.3
1961	112	197.3
1962	181	197.3
1963	118	197.3
1965	312	197.3
1966	240	197.3
1967	286	197.3
1968	234	197.3
1971	35	17.8
1972	6	17.8
1973	7	17.8
1974	23	17.8
1983	27	27

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

First to last qualifying date each year at Cotija
Year	First date	Last date
1925	1925-01-02	1925-06-30
1927	1927-03-28	1927-03-29
1933	1933-03-09	1933-07-06
1936	1936-02-26	1936-07-07
1937	1937-04-13	1937-06-30
1938	1938-04-18	1938-05-21
1939	1939-02-12	1939-08-15
1940	1940-02-05	1940-11-02
1941	1941-01-30	1941-07-30
1945	1945-01-21	1945-06-27
1946	1946-05-15	1946-05-27
1947	1947-05-13	1947-07-10
1948	1948-03-11	1948-06-07
1949	1949-03-24	1949-10-19
1950	1950-02-25	1950-06-14
1951	1951-05-26	1951-11-12
1952	1952-01-09	1952-07-31
1954	1954-02-14	1954-09-19
1955	1955-02-19	1955-12-05
1956	1956-01-28	1956-11-09
1957	1957-03-15	1957-09-15
1958	1958-03-11	1958-06-02
1959	1959-03-12	1959-05-05
1960	1960-03-10	1960-12-02
1961	1961-02-25	1961-11-30
1962	1962-01-17	1962-12-31
1963	1963-01-01	1963-11-29
1965	1965-01-02	1965-12-31
1966	1966-01-18	1966-12-31
1967	1967-01-16	1967-12-30
1968	1968-01-01	1968-12-28
1971	1971-03-29	1971-06-11
1972	1972-05-21	1972-05-28
1973	1973-05-24	1973-06-10
1974	1974-05-03	1974-06-02
1983	1983-11-06	1983-12-27

Every Fixed Threshold

Fixed thresholds at Cotija
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	312	1965	27
35 C (95 F): Days	23	88	1965	12
40 C (104 F): Days	3	5	1967	1
90 F (32.2 C): Days	28	119	1965	1
100 F (37.8 C): Days	7	19	1965	7
0 C (32 F): Frost days (min	13	22	1940	3
20 C (68 F): Tropical nights (min	9	6	1983	6
10 mm (0.39 in): Days with 10 mm or more rain	45	58	1978	23
25 mm (0.98 in): Days with 25 mm or more rain	43	20	1967	1
50 mm (1.97 in): Days with 50 mm or more rain	15	6	1945	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

Data for Cotija 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).

Cotija Threshold Days by Year (MXN00016025)

Key Facts for Cotija Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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