Milan Threshold Days by Year (USC00235578)

6 fixed thresholds counted per year at Milan (USC00235578): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Milan Thresholds

Milan: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1973 with 47.
Milan: days with 25 mm (0.98 in) or more of precipitation in 91 years, most in 1931 with 20.
Milan: days with 50 mm (1.97 in) or more of precipitation in 73 years, most in 2010 with 7.
Milan: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 1960 with 6.
6 fixed thresholds have at least one qualifying day at Milan.

Days with 10 mm (0.39 in) or more of precipitation

91 years with a qualifying day

Days per year at Milan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Milan
Year	Days	Decade average
1924	19	31
1925	37	31
1926	35	31
1927	28	31
1928	33	31
1929	34	31
1931	39	30.3
1933	28	30.3
1934	26	30.3
1935	43	30.3
1936	23	30.3
1937	23	30.3
1938	31	30.3
1939	29	30.3
1940	26	33.4
1941	37	33.4
1942	39	33.4
1943	32	33.4
1944	33	33.4
1945	31	33.4
1946	37	33.4
1947	34	33.4
1948	25	33.4
1949	40	33.4
1950	21	28
1951	31	28
1952	28	28
1953	24	28
1954	32	28
1955	27	28
1956	21	28
1957	32	28
1958	31	28
1959	33	28
1960	36	31.4
1961	37	31.4
1962	29	31.4
1963	29	31.4
1964	26	31.4
1965	28	31.4
1966	24	31.4
1967	39	31.4
1968	28	31.4
1969	38	31.4
1970	30	28.3
1971	25	28.3
1972	17	28.3
1973	47	28.3
1974	23	28.3
1975	26	28.3
1976	20	28.3
1977	32	28.3
1978	31	28.3
1979	32	28.3
1980	28	30.9
1981	34	30.9
1982	38	30.9
1983	31	30.9
1984	29	30.9
1985	36	30.9
1986	35	30.9
1987	32	30.9
1988	17	30.9
1989	29	30.9
1990	31	34.6
1991	33	34.6
1992	37	34.6
1993	41	34.6
1994	29	34.6
1995	41	34.6
1996	32	34.6
1997	24	34.6
1998	43	34.6
2000	28	31
2001	34	31
2002	24	31
2003	24	31
2004	33	31
2005	25	31
2006	29	31
2007	34	31
2008	44	31
2009	35	31
2010	34	30.1
2012	24	30.1
2013	30	30.1
2014	29	30.1
2015	43	30.1
2016	28	30.1
2017	27	30.1
2018	26	30.1

For each year, a bar from the first to the last day at Milan meeting 10 mm (0.39 in).

First to last qualifying date each year at Milan
Year	First date	Last date
1924	1924-02-05	1924-12-05
1925	1925-02-09	1925-12-15
1926	1926-01-03	1926-12-06
1927	1927-01-13	1927-12-28
1928	1928-02-06	1928-12-16
1929	1929-01-06	1929-11-14
1931	1931-03-06	1931-12-31
1933	1933-01-14	1933-12-20
1934	1934-01-04	1934-12-03
1935	1935-01-08	1935-11-27
1936	1936-01-25	1936-12-27
1937	1937-01-08	1937-12-14
1938	1938-01-24	1938-12-03
1939	1939-02-28	1939-11-20
1940	1940-02-24	1940-12-16
1941	1941-01-01	1941-12-26
1942	1942-02-04	1942-12-27
1943	1943-02-03	1943-12-10
1944	1944-01-27	1944-12-09
1945	1945-01-22	1945-12-25
1946	1946-01-05	1946-12-13
1947	1947-03-13	1947-12-04
1948	1948-01-02	1948-12-24
1949	1949-01-04	1949-12-31
1950	1950-01-03	1950-09-20
1951	1951-01-03	1951-11-12
1952	1952-03-04	1952-12-20
1953	1953-02-06	1953-12-22
1954	1954-02-16	1954-12-27
1955	1955-01-05	1955-11-16
1956	1956-04-28	1956-12-08
1957	1957-03-24	1957-12-31
1958	1958-01-21	1958-11-18
1959	1959-01-21	1959-12-27
1960	1960-01-12	1960-12-05
1961	1961-02-18	1961-12-23
1962	1962-01-06	1962-11-16
1963	1963-03-04	1963-11-23
1964	1964-03-20	1964-12-11
1965	1965-01-01	1965-12-25
1966	1966-02-09	1966-12-28
1967	1967-01-25	1967-10-31
1968	1968-03-19	1968-12-19
1969	1969-01-16	1969-12-28
1970	1970-04-02	1970-12-11
1971	1971-01-03	1971-12-30
1972	1972-03-13	1972-12-30
1973	1973-01-04	1973-12-05
1974	1974-01-27	1974-11-30
1975	1975-02-17	1975-12-14
1976	1976-02-16	1976-10-05
1977	1977-03-12	1977-11-02
1978	1978-04-06	1978-12-31
1979	1979-01-01	1979-11-21
1980	1980-01-16	1980-12-08
1981	1981-02-23	1981-12-17
1982	1982-01-04	1982-12-28
1983	1983-03-05	1983-12-11
1984	1984-03-19	1984-12-14
1985	1985-01-01	1985-12-11
1986	1986-02-04	1986-12-07
1987	1987-03-01	1987-12-20
1988	1988-01-31	1988-12-27
1989	1989-01-06	1989-10-30
1990	1990-01-17	1990-12-03
1991	1991-01-05	1991-12-23
1992	1992-02-15	1992-12-16
1993	1993-01-04	1993-12-14
1994	1994-02-20	1994-12-07
1995	1995-02-27	1995-11-11
1996	1996-01-18	1996-11-30
1997	1997-02-21	1997-12-22
1998	1998-01-05	1998-12-07
2000	2000-02-18	2000-11-07
2001	2001-02-09	2001-12-13
2002	2002-01-31	2002-10-04
2003	2003-04-04	2003-12-28
2004	2004-03-05	2004-12-06
2005	2005-01-13	2005-11-28
2006	2006-01-29	2006-12-31
2007	2007-02-25	2007-12-22
2008	2008-02-06	2008-12-28
2009	2009-02-27	2009-11-17
2010	2010-01-20	2010-11-13
2012	2012-02-04	2012-12-20
2013	2013-01-28	2013-11-17
2014	2014-02-01	2014-11-24
2015	2015-01-31	2015-12-21
2016	2016-01-08	2016-11-03
2017	2017-01-16	2017-11-18
2018	2018-02-20	2018-12-27

Every Fixed Threshold

Fixed thresholds at Milan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	91	47	1973	26
25 mm (0.98 in): Days with 25 mm or more rain	91	20	1931	10
50 mm (1.97 in): Days with 50 mm or more rain	73	7	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	18	3	2014	3
10 cm (3.9 in): Days with 10 cm or more snowfall	56	6	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for Milan 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).

Milan Threshold Days by Year (USC00235578)

Key Facts for Milan Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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