Sheboygan Threshold Days by Year (USC00477725)

19 fixed thresholds counted per year at Sheboygan (USC00477725): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sheboygan Thresholds

Sheboygan: nights with a minimum temperature at or below 0 C (32 F) in 102 years, most in 1996 with 157.
Sheboygan: nights with a minimum temperature at or below -10 C (14 F) in 102 years, most in 1950 with 69.
Sheboygan: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1905 with 39.
Sheboygan: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1941 with 15.
19 fixed thresholds have at least one qualifying day at Sheboygan.

Days at or above 30 C (86 F)

92 years with a qualifying day

Days per year at Sheboygan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1988.

Days at or above 30 C (86 F) per year at Sheboygan
Year	Days	Decade average
1903	13	13.7
1904	12	13.7
1905	13	13.7
1906	12	13.7
1907	8	13.7
1908	19	13.7
1909	19	13.7
1910	29	16.8
1912	18	16.8
1915	6	16.8
1916	20	16.8
1917	11	16.8
1921	39	15.4
1922	11	15.4
1923	9	15.4
1924	4	15.4
1925	18	15.4
1926	13	15.4
1927	13	15.4
1928	14	15.4
1929	18	15.4
1930	31	28.5
1931	40	28.5
1932	28	28.5
1933	34	28.5
1934	19	28.5
1935	23	28.5
1936	31	28.5
1937	32	28.5
1938	22	28.5
1939	25	28.5
1940	20	22.6
1941	30	22.6
1942	12	22.6
1943	21	22.6
1944	26	22.6
1945	6	22.6
1948	31	22.6
1949	35	22.6
1950	12	17.6
1951	9	17.6
1952	21	17.6
1953	28	17.6
1954	14	17.6
1955	36	17.6
1956	13	17.6
1957	14	17.6
1958	12	17.6
1959	17	17.6
1960	15	15.5
1961	15	15.5
1962	6	15.5
1963	12	15.5
1964	26	15.5
1965	13	15.5
1966	21	15.5
1967	11	15.5
1968	16	15.5
1969	20	15.5
1970	23	18.7
1971	16	18.7
1972	18	18.7
1973	22	18.7
1974	16	18.7
1975	22	18.7
1976	34	18.7
1977	16	18.7
1978	12	18.7
1979	8	18.7
1980	20	19.5
1981	14	19.5
1982	8	19.5
1983	32	19.5
1984	19	19.5
1985	14	19.5
1986	14	19.5
1987	21	19.5
1988	41	19.5
1989	12	19.5
1990	20	19.3
1991	30	19.3
1992	10	19.3
1993	10	19.3
1994	21	19.3
1995	28	19.3
1996	21	19.3
1997	14	19.3
2000	18	22.6
2001	18	22.6
2005	25	22.6
2006	23	22.6
2007	29	22.6

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

First to last qualifying date each year at Sheboygan
Year	First date	Last date
1903	1903-07-01	1903-09-03
1904	1904-05-21	1904-09-11
1905	1905-06-25	1905-08-30
1906	1906-05-17	1906-09-11
1907	1907-06-17	1907-09-01
1908	1908-06-19	1908-09-18
1909	1909-06-23	1909-08-26
1910	1910-06-15	1910-08-13
1912	1912-05-23	1912-09-10
1915	1915-04-28	1915-09-14
1916	1916-07-02	1916-08-24
1917	1917-06-12	1917-08-19
1921	1921-05-23	1921-09-30
1922	1922-06-08	1922-10-06
1923	1923-06-23	1923-08-20
1924	1924-07-16	1924-08-27
1925	1925-05-23	1925-09-03
1926	1926-06-29	1926-08-27
1927	1927-06-09	1927-09-16
1928	1928-05-04	1928-08-17
1929	1929-05-31	1929-09-04
1930	1930-05-06	1930-09-20
1931	1931-05-16	1931-09-21
1932	1932-05-16	1932-08-31
1933	1933-05-26	1933-09-09
1934	1934-05-06	1934-08-19
1935	1935-06-15	1935-08-21
1936	1936-05-18	1936-09-24
1937	1937-05-30	1937-09-10
1938	1938-06-15	1938-08-24
1939	1939-05-29	1939-09-15
1940	1940-06-03	1940-09-20
1941	1941-05-21	1941-09-22
1942	1942-06-29	1942-08-21
1943	1943-06-14	1943-08-14
1944	1944-06-02	1944-08-15
1945	1945-06-22	1945-08-02
1948	1948-05-20	1948-09-19
1949	1949-05-05	1949-08-27
1950	1950-06-07	1950-08-24
1951	1951-07-10	1951-08-03
1952	1952-05-05	1952-08-29
1953	1953-06-05	1953-09-04
1954	1954-06-13	1954-09-07
1955	1955-06-17	1955-09-19
1956	1956-05-23	1956-08-15
1957	1957-06-16	1957-08-27
1958	1958-06-30	1958-08-31
1959	1959-06-09	1959-09-10
1960	1960-07-08	1960-09-08
1961	1961-06-04	1961-09-10
1962	1962-04-26	1962-09-01
1963	1963-05-08	1963-10-06
1964	1964-05-22	1964-09-03
1965	1965-06-20	1965-08-15
1966	1966-05-26	1966-09-02
1967	1967-06-15	1967-10-04
1968	1968-06-07	1968-08-24
1969	1969-05-28	1969-09-12
1970	1970-05-22	1970-08-28
1971	1971-06-06	1971-10-01
1972	1972-05-20	1972-08-30
1973	1973-06-08	1973-08-30
1974	1974-07-01	1974-08-27
1975	1975-06-13	1975-10-13
1976	1976-06-07	1976-09-12
1977	1977-05-13	1977-08-08
1978	1978-06-26	1978-09-10
1979	1979-06-15	1979-08-08
1980	1980-04-22	1980-09-04
1981	1981-06-05	1981-09-12
1982	1982-07-06	1982-08-20
1983	1983-06-26	1983-09-10
1984	1984-06-08	1984-08-28
1985	1985-06-23	1985-09-06
1986	1986-05-06	1986-08-15
1987	1987-06-01	1987-09-27
1988	1988-05-31	1988-09-17
1989	1989-06-07	1989-08-23
1990	1990-06-17	1990-09-12
1991	1991-04-06	1991-09-15
1992	1992-05-01	1992-08-11
1993	1993-07-19	1993-08-31
1994	1994-06-12	1994-09-16
1995	1995-06-07	1995-10-12
1996	1996-05-18	1996-08-25
1997	1997-06-25	1997-10-05
2000	2000-06-08	2000-09-10
2001	2001-06-29	2001-09-03
2005	2005-06-06	2005-09-21
2006	2006-06-23	2006-09-08
2007	2007-05-14	2007-10-07

Every Fixed Threshold

Fixed thresholds at Sheboygan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	92	41	1988	29
35 C (95 F): Days	71	9	1916	1
40 C (104 F): Days	6	3	1995	3
90 F (32.2 C): Days	91	28	1988	11
100 F (37.8 C): Days	22	4	1916	1
0 C (32 F): Ice days (max	92	82	1960	59
0 C (32 F): Frost days (min	102	157	1996	119
-10 C (14 F): Days with min	102	69	1950	40
-20 C (-4 F): Days with min	98	28	1936	3
-30 C (-22 F): Days with min	10	2	1912	2
20 C (68 F): Tropical nights (min	99	32	1921	18
25 C (77 F): Days with min	20	3	1916	1
10 mm (0.39 in): Days with 10 mm or more rain	100	39	1905	18
25 mm (0.98 in): Days with 25 mm or more rain	100	15	1941	5
50 mm (1.97 in): Days with 50 mm or more rain	59	4	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1924	1
200 mm (7.87 in): Days with 200 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	11	1929	3
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Sheboygan 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).

Sheboygan Threshold Days by Year (USC00477725)

Key Facts for Sheboygan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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