Mexico Threshold Days by Year (USC00235541)

21 fixed thresholds counted per year at Mexico (USC00235541): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mexico Thresholds

Mexico: days with a maximum temperature at or above 30 C (86 F) in 113 years, most in 1901 with 121.
Mexico: days with a maximum temperature at or above 90 F (32.2 C) in 113 years, most in 1901 with 101.
Mexico: days with a maximum temperature at or below 0 C (32 F) in 113 years, most in 1978 with 59.
Mexico: days with a maximum temperature at or above 35 C (95 F) in 110 years, most in 1936 with 72.
21 fixed thresholds have at least one qualifying day at Mexico.

Days at or above 30 C (86 F)

113 years with a qualifying day

Days per year at Mexico with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 121 in 1901.

Days at or above 30 C (86 F) per year at Mexico
Year	Days	Decade average
1894	94	87.4
1896	77	87.4
1897	92	87.4
1898	78	87.4
1899	96	87.4
1900	94	77.5
1901	121	77.5
1902	60	77.5
1903	59	77.5
1904	56	77.5
1905	73	77.5
1906	81	77.5
1907	67	77.5
1908	85	77.5
1909	79	77.5
1910	70	80
1911	99	80
1912	75	80
1913	106	80
1914	98	80
1915	41	80
1916	82	80
1917	66	80
1918	81	80
1919	82	80
1920	72	71.3
1921	92	71.3
1922	85	71.3
1923	70	71.3
1924	55	71.3
1925	89	71.3
1926	72	71.3
1927	54	71.3
1928	62	71.3
1929	62	71.3
1930	87	88.1
1931	93	88.1
1932	64	88.1
1933	95	88.1
1934	91	88.1
1935	67	88.1
1936	104	88.1
1937	93	88.1
1938	97	88.1
1939	90	88.1
1940	83	75
1941	89	75
1942	77	75
1943	79	75
1944	101	75
1945	44	75
1946	61	75
1947	66	75
1948	76	75
1949	74	75
1950	58	77.1
1951	35	77.1
1952	92	77.1
1953	100	77.1
1954	106	77.1
1955	84	77.1
1956	98	77.1
1957	65	77.1
1958	46	77.1
1959	87	77.1
1960	67	67.2
1961	57	67.2
1962	81	67.2
1963	91	67.2
1964	81	67.2
1965	58	67.2
1966	67	67.2
1967	50	67.2
1968	61	67.2
1969	59	67.2
1970	58	67
1971	72	67
1972	75	67
1973	64	67
1974	50	67
1975	70	67
1976	73	67
1977	62	67
1978	71	67
1979	75	67
1980	92	68.5
1981	52	68.5
1982	37	68.5
1983	89	68.5
1984	67	68.5
1985	51	68.5
1986	74	68.5
1987	79	68.5
1988	92	68.5
1989	52	68.5
1990	65	66.9
1991	76	66.9
1992	47	66.9
1993	64	66.9
1994	71	66.9
1995	67	66.9
1999	78	66.9
2000	67	63
2001	63	63
2004	40	63
2005	78	63
2006	73	63
2007	89	63
2009	31	63
2010	74	78.8
2011	80	78.8
2012	95	78.8
2013	66	78.8

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

First to last qualifying date each year at Mexico
Year	First date	Last date
1894	1894-04-27	1894-09-22
1896	1896-04-15	1896-09-14
1897	1897-05-22	1897-10-15
1898	1898-05-18	1898-09-29
1899	1899-04-12	1899-10-23
1900	1900-05-11	1900-10-06
1901	1901-04-26	1901-10-22
1902	1902-04-21	1902-09-07
1903	1903-05-16	1903-10-03
1904	1904-05-22	1904-10-10
1905	1905-04-09	1905-10-06
1906	1906-04-25	1906-09-26
1907	1907-03-22	1907-09-20
1908	1908-04-21	1908-10-18
1909	1909-04-18	1909-10-09
1910	1910-03-23	1910-10-17
1911	1911-05-09	1911-10-04
1912	1912-05-03	1912-10-10
1913	1913-05-02	1913-10-07
1914	1914-04-22	1914-10-07
1915	1915-04-25	1915-09-20
1916	1916-05-08	1916-10-09
1917	1917-04-01	1917-09-26
1918	1918-03-14	1918-10-06
1919	1919-05-04	1919-10-05
1920	1920-05-23	1920-10-15
1921	1921-05-20	1921-09-29
1922	1922-04-07	1922-10-06
1923	1923-05-31	1923-09-30
1924	1924-04-16	1924-10-20
1925	1925-03-10	1925-10-01
1926	1926-05-03	1926-10-04
1927	1927-04-29	1927-10-29
1928	1928-05-03	1928-10-13
1929	1929-03-25	1929-09-29
1930	1930-04-11	1930-10-10
1931	1931-05-16	1931-10-07
1932	1932-05-05	1932-09-20
1933	1933-04-10	1933-10-02
1934	1934-05-08	1934-09-26
1935	1935-06-14	1935-09-25
1936	1936-04-15	1936-09-23
1937	1937-04-18	1937-10-30
1938	1938-03-22	1938-10-18
1939	1939-04-26	1939-10-26
1940	1940-04-01	1940-10-27
1941	1941-04-13	1941-09-24
1942	1942-04-30	1942-10-08
1943	1943-05-06	1943-09-08
1944	1944-05-12	1944-10-07
1945	1945-03-17	1945-09-24
1946	1946-06-08	1946-10-09
1947	1947-05-15	1947-10-16
1948	1948-04-08	1948-09-22
1949	1949-04-26	1949-10-10
1950	1950-04-24	1950-11-01
1951	1951-04-29	1951-10-05
1952	1952-04-30	1952-10-27
1953	1953-04-29	1953-10-19
1954	1954-04-06	1954-10-11
1955	1955-05-02	1955-09-22
1956	1956-04-28	1956-10-13
1957	1957-06-06	1957-09-21
1958	1958-04-24	1958-09-25
1959	1959-05-01	1959-09-28
1960	1960-04-23	1960-10-13
1961	1961-05-14	1961-09-24
1962	1962-04-27	1962-10-15
1963	1963-04-18	1963-10-21
1964	1964-05-05	1964-10-18
1965	1965-04-23	1965-09-20
1966	1966-05-08	1966-10-10
1967	1967-05-19	1967-10-05
1968	1968-05-03	1968-09-08
1969	1969-05-28	1969-10-05
1970	1970-04-29	1970-09-22
1971	1971-04-20	1971-10-03
1972	1972-04-13	1972-10-12
1973	1973-06-09	1973-09-09
1974	1974-05-17	1974-08-27
1975	1975-05-20	1975-10-14
1976	1976-05-22	1976-10-04
1977	1977-04-11	1977-09-09
1978	1978-05-25	1978-09-21
1979	1979-05-08	1979-10-22
1980	1980-04-22	1980-10-09
1981	1981-04-11	1981-10-06
1982	1982-05-05	1982-10-06
1983	1983-06-11	1983-10-04
1984	1984-06-02	1984-09-25
1985	1985-04-19	1985-09-21
1986	1986-03-30	1986-09-29
1987	1987-04-20	1987-09-07
1988	1988-04-22	1988-10-16
1989	1989-04-22	1989-10-15
1990	1990-04-22	1990-10-05
1991	1991-05-14	1991-09-15
1992	1992-04-15	1992-09-17
1993	1993-05-08	1993-09-12
1994	1994-04-14	1994-10-08
1995	1995-05-13	1995-09-05
1999	1999-05-11	1999-10-16
2000	2000-05-09	2000-10-04
2001	2001-04-09	2001-09-08
2004	2004-04-17	2004-09-15
2005	2005-05-11	2005-10-06
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-10-08
2009	2009-04-24	2009-08-16
2010	2010-04-02	2010-10-10
2011	2011-04-04	2011-09-14
2012	2012-04-02	2012-09-13
2013	2013-05-01	2013-10-05

Every Fixed Threshold

Fixed thresholds at Mexico
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	113	121	1901	66
35 C (95 F): Days	110	72	1936	13
40 C (104 F): Days	29	40	1936	7
45 C (113 F): Days	4	7	1934	2
90 F (32.2 C): Days	113	101	1901	45
100 F (37.8 C): Days	77	51	1936	2
110 F (43.3 C): Days	5	13	1934	4
0 C (32 F): Ice days (max	113	59	1978	23
0 C (32 F): Frost days (min	103	147	1912	107
-10 C (14 F): Days with min	103	55	1978	24
-20 C (-4 F): Days with min	75	19	1936	1
-30 C (-22 F): Days with min	4	3	1989	3
20 C (68 F): Tropical nights (min	103	62	1991	41
25 C (77 F): Days with min	26	17	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	108	52	1969	26
25 mm (0.98 in): Days with 25 mm or more rain	108	20	1969	8
50 mm (1.97 in): Days with 50 mm or more rain	92	6	1961	2
100 mm (3.94 in): Days with 100 mm or more rain	21	2	2004	1
10 cm (3.9 in): Days with 10 cm or more snowfall	70	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1911	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Mexico 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).

Mexico Threshold Days by Year (USC00235541)

Key Facts for Mexico Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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