Iguala (Smn) Threshold Days by Year (MXN00012047)

12 fixed thresholds counted per year at Iguala (Smn) (MXN00012047): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iguala (Smn) Thresholds

Iguala (Smn): days with 10 mm (0.39 in) or more of precipitation in 78 years, most in 1958 with 48.
Iguala (Smn): days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 2003 with 22.
Iguala (Smn): days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1932 with 366.
Iguala (Smn): days with a maximum temperature at or above 35 C (95 F) in 75 years, most in 1930 with 287.
12 fixed thresholds have at least one qualifying day at Iguala (Smn).

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Iguala (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 1932.

Days at or above 30 C (86 F) per year at Iguala (Smn)
Year	Days	Decade average
1922	351	356.8
1923	361	356.8
1924	361	356.8
1925	338	356.8
1926	361	356.8
1927	356	356.8
1928	363	356.8
1929	363	356.8
1930	365	361
1931	365	361
1932	366	361
1933	365	361
1934	365	361
1935	363	361
1936	358	361
1937	359	361
1938	349	361
1939	355	361
1940	361	353
1941	353	353
1942	345	353
1950	311	295.5
1951	330	295.5
1952	279	295.5
1953	308	295.5
1954	280	295.5
1955	287	295.5
1956	270	295.5
1957	326	295.5
1958	269	295.5
1959	295	295.5
1960	346	306.5
1961	342	306.5
1962	353	306.5
1963	343	306.5
1964	305	306.5
1965	274	306.5
1966	234	306.5
1967	236	306.5
1968	275	306.5
1969	357	306.5
1970	280	332.9
1971	317	332.9
1973	326	332.9
1974	355	332.9
1975	355	332.9
1977	349	332.9
1978	344	332.9
1979	337	332.9
1980	321	339.6
1981	341	339.6
1982	320	339.6
1984	350	339.6
1985	350	339.6
1986	354	339.6
1987	349	339.6
1988	346	339.6
1989	325	339.6
1990	338	317.3
1991	318	317.3
1992	309	317.3
1993	354	317.3
1994	361	317.3
1995	290	317.3
1996	264	317.3
1997	327	317.3
1998	301	317.3
1999	311	317.3
2000	359	334.4
2001	350	334.4
2002	302	334.4
2003	348	334.4
2004	337	334.4
2005	313	334.4
2006	332	334.4

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

First to last qualifying date each year at Iguala (Smn)
Year	First date	Last date
1922	1922-01-01	1922-12-31
1923	1923-01-01	1923-12-31
1924	1924-01-01	1924-12-31
1925	1925-01-01	1925-12-20
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	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-31
1934	1934-01-01	1934-12-31
1935	1935-01-01	1935-12-31
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	1940-01-02	1940-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-31
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	1959-01-04	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	1964-01-05	1964-12-28
1965	1965-01-03	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-30
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-11-30
1971	1971-01-02	1971-11-30
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-25
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-30
1981	1981-01-06	1981-12-31
1982	1982-01-01	1982-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
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	1991-12-27
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	1995-11-16
1996	1996-01-22	1996-12-09
1997	1997-01-05	1997-12-22
1998	1998-01-02	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-26
2002	2002-01-06	2002-12-29
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-28
2005	2005-01-02	2005-12-31
2006	2006-01-01	2006-12-31

Every Fixed Threshold

Fixed thresholds at Iguala (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	366	1932	332
35 C (95 F): Days	75	287	1930	118
40 C (104 F): Days	51	68	1941	15
90 F (32.2 C): Days	75	354	1936	228
100 F (37.8 C): Days	74	138	1969	60
110 F (43.3 C): Days	1	1	1937	1
20 C (68 F): Tropical nights (min	75	268	1990	87
25 C (77 F): Days with min	44	69	1970	31
10 mm (0.39 in): Days with 10 mm or more rain	78	48	1958	32
25 mm (0.98 in): Days with 25 mm or more rain	76	22	2003	13
50 mm (1.97 in): Days with 50 mm or more rain	51	5	1922	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

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Data for Iguala (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).

Iguala (Smn) Threshold Days by Year (MXN00012047)

Key Facts for Iguala (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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