Apatzingan (Smn) Threshold Days by Year (MXN00016007)

13 fixed thresholds counted per year at Apatzingan (Smn) (MXN00016007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Apatzingan (Smn) Thresholds

Apatzingan (Smn): days with a maximum temperature at or above 30 C (86 F) in 87 years, most in 1928 with 366.
Apatzingan (Smn): days with a maximum temperature at or above 35 C (95 F) in 87 years, most in 1957 with 335.
Apatzingan (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 87 years, most in 1979 with 359.
Apatzingan (Smn): days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1967 with 36.
13 fixed thresholds have at least one qualifying day at Apatzingan (Smn).

Days at or above 30 C (86 F)

87 years with a qualifying day

Days per year at Apatzingan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 1928.

Days at or above 30 C (86 F) per year at Apatzingan (Smn)
Year	Days	Decade average
1923	69	294.2
1925	269	294.2
1926	333	294.2
1927	363	294.2
1928	366	294.2
1929	365	294.2
1930	343	349.6
1931	298	349.6
1932	358	349.6
1933	349	349.6
1934	362	349.6
1936	359	349.6
1937	357	349.6
1938	363	349.6
1939	357	349.6
1940	359	350.2
1941	356	350.2
1942	354	350.2
1943	342	350.2
1944	345	350.2
1945	363	350.2
1946	356	350.2
1947	325	350.2
1948	356	350.2
1949	346	350.2
1950	364	359.3
1951	360	359.3
1952	347	359.3
1953	363	359.3
1954	363	359.3
1955	362	359.3
1956	361	359.3
1957	363	359.3
1958	350	359.3
1959	360	359.3
1960	365	361.8
1961	363	361.8
1962	363	361.8
1963	365	361.8
1964	358	361.8
1965	361	361.8
1966	363	361.8
1967	357	361.8
1968	361	361.8
1969	362	361.8
1970	358	322.9
1971	359	322.9
1972	218	322.9
1973	273	322.9
1974	340	322.9
1975	325	322.9
1976	264	322.9
1977	364	322.9
1978	363	322.9
1979	365	322.9
1980	325	347
1981	350	347
1982	354	347
1983	348	347
1984	348	347
1985	357	347
1986	317	347
1987	359	347
1988	356	347
1989	356	347
1990	354	352.4
1991	358	352.4
1992	335	352.4
1993	357	352.4
1994	363	352.4
1995	359	352.4
1996	348	352.4
1997	351	352.4
1998	338	352.4
1999	361	352.4
2000	338	354.9
2001	363	354.9
2002	345	354.9
2003	355	354.9
2004	358	354.9
2005	357	354.9
2006	362	354.9
2007	354	354.9
2008	361	354.9
2009	356	354.9
2010	343	350.5
2011	358	350.5

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

First to last qualifying date each year at Apatzingan (Smn)
Year	First date	Last date
1923	1923-04-01	1923-06-30
1925	1925-02-02	1925-12-13
1926	1926-01-02	1926-12-31
1927	1927-01-01	1927-12-31
1928	1928-01-01	1928-12-31
1929	1929-01-01	1929-12-31
1930	1930-01-01	1930-12-31
1931	1931-01-07	1931-12-31
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-31
1934	1934-01-01	1934-12-31
1936	1936-01-01	1936-12-31
1937	1937-01-01	1937-12-31
1938	1938-01-01	1938-12-31
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-13
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-03	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-30
1971	1971-01-05	1971-12-31
1972	1972-01-08	1972-11-07
1973	1973-03-01	1973-11-30
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-11
1976	1976-03-02	1976-12-31
1977	1977-01-01	1977-12-30
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-30
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31

Every Fixed Threshold

Fixed thresholds at Apatzingan (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	87	366	1928	358
35 C (95 F): Days	87	335	1957	175
40 C (104 F): Days	86	110	1960	5
45 C (113 F): Days	3	1	1933	1
90 F (32.2 C): Days	87	359	1979	313
100 F (37.8 C): Days	86	197	1932	62
110 F (43.3 C): Days	10	8	1980	1
20 C (68 F): Tropical nights (min	82	365	1979	185
25 C (77 F): Days with min	77	246	1977	9
10 mm (0.39 in): Days with 10 mm or more rain	87	36	1967	23
25 mm (0.98 in): Days with 25 mm or more rain	87	21	1981	9
50 mm (1.97 in): Days with 50 mm or more rain	67	5	1955	1
100 mm (3.94 in): Days with 100 mm or more rain	12	2	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

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Data for Apatzingan (Smn) 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).

Apatzingan (Smn) Threshold Days by Year (MXN00016007)

Key Facts for Apatzingan (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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