Zuerich/Fluntern Threshold Days by Year (SZ000003700)

12 fixed thresholds counted per year at Zuerich/Fluntern (SZ000003700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zuerich/Fluntern Thresholds

Zuerich/Fluntern: days with a maximum temperature at or below 0 C (32 F) in 126 years, most in 1963 with 48.
Zuerich/Fluntern: nights with a minimum temperature at or below 0 C (32 F) in 126 years, most in 1905 with 124.
Zuerich/Fluntern: days with 10 mm (0.39 in) or more of precipitation in 126 years, most in 1965 with 56.
Zuerich/Fluntern: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 1940 with 15.
12 fixed thresholds have at least one qualifying day at Zuerich/Fluntern.

Days at or above 30 C (86 F)

119 years with a qualifying day

Days per year at Zuerich/Fluntern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1911.

Days at or above 30 C (86 F) per year at Zuerich/Fluntern
Year	Days	Decade average
1901	5	12.4
1902	12	12.4
1903	7	12.4
1904	27	12.4
1905	17	12.4
1906	18	12.4
1907	8	12.4
1908	13	12.4
1909	5	12.4
1910	2	9.7
1911	42	9.7
1912	2	9.7
1914	6	9.7
1915	2	9.7
1916	1	9.7
1917	7	9.7
1918	7	9.7
1919	18	9.7
1920	8	12.9
1921	22	12.9
1922	7	12.9
1923	18	12.9
1924	4	12.9
1925	7	12.9
1926	8	12.9
1927	9	12.9
1928	25	12.9
1929	21	12.9
1930	10	12.1
1931	16	12.1
1932	13	12.1
1933	14	12.1
1934	12	12.1
1935	18	12.1
1936	7	12.1
1937	14	12.1
1938	13	12.1
1939	4	12.1
1941	12	18.4
1942	8	18.4
1943	18	18.4
1944	16	18.4
1945	25	18.4
1946	13	18.4
1947	41	18.4
1948	12	18.4
1949	21	18.4
1950	13	7.4
1951	3	7.4
1952	20	7.4
1953	7	7.4
1954	4	7.4
1955	1	7.4
1956	4	7.4
1957	11	7.4
1958	5	7.4
1959	6	7.4
1960	2	7.4
1961	6	7.4
1962	9	7.4
1963	6	7.4
1964	15	7.4
1965	5	7.4
1966	3	7.4
1967	13	7.4
1968	7	7.4
1969	8	7.4
1970	6	3.3
1971	5	3.3
1972	1	3.3
1974	3	3.3
1975	1	3.3
1976	8	3.3
1977	1	3.3
1979	1	3.3
1980	1	3.2
1982	1	3.2
1983	12	3.2
1984	6	3.2
1985	4	3.2
1986	1	3.2
1987	2	3.2
1988	1	3.2
1989	1	3.2
1990	7	6.8
1991	6	6.8
1992	14	6.8
1993	2	6.8
1994	11	6.8
1995	5	6.8
1996	1	6.8
1998	13	6.8
1999	2	6.8
2000	3	8.3
2001	2	8.3
2002	7	8.3
2003	27	8.3
2005	9	8.3
2006	16	8.3
2007	2	8.3
2008	3	8.3
2009	6	8.3
2010	9	11.7
2011	8	11.7
2012	6	11.7
2013	11	11.7
2014	5	11.7
2015	26	11.7
2016	8	11.7
2017	13	11.7
2018	16	11.7
2019	15	11.7
2020	9	14.1
2021	5	14.1
2022	16	14.1
2023	14	14.1
2024	11	14.1
2025	14	14.1
2026	30	14.1

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

First to last qualifying date each year at Zuerich/Fluntern
Year	First date	Last date
1901	1901-05-31	1901-07-19
1902	1902-06-01	1902-08-19
1903	1903-06-28	1903-09-05
1904	1904-05-17	1904-08-17
1905	1905-06-29	1905-08-10
1906	1906-05-31	1906-09-05
1907	1907-05-25	1907-08-28
1908	1908-05-21	1908-07-12
1909	1909-05-25	1909-08-16
1910	1910-07-22	1910-08-21
1911	1911-07-08	1911-09-13
1912	1912-05-12	1912-06-23
1914	1914-07-01	1914-08-14
1915	1915-06-07	1915-06-08
1916	1916-08-02	1916-08-02
1917	1917-05-14	1917-08-23
1918	1918-07-16	1918-08-23
1919	1919-06-09	1919-09-13
1920	1920-05-13	1920-08-05
1921	1921-06-27	1921-08-10
1922	1922-05-23	1922-08-14
1923	1923-07-07	1923-08-15
1924	1924-07-04	1924-08-07
1925	1925-06-12	1925-08-18
1926	1926-07-18	1926-09-11
1927	1927-06-01	1927-08-06
1928	1928-06-23	1928-08-27
1929	1929-05-26	1929-09-13
1930	1930-06-12	1930-08-29
1931	1931-05-24	1931-08-05
1932	1932-05-20	1932-08-27
1933	1933-07-20	1933-08-20
1934	1934-04-17	1934-08-23
1935	1935-06-10	1935-08-12
1936	1936-06-17	1936-09-03
1937	1937-05-30	1937-08-12
1938	1938-06-01	1938-08-05
1939	1939-06-08	1939-07-30
1941	1941-06-19	1941-07-26
1942	1942-06-06	1942-09-03
1943	1943-07-12	1943-09-13
1944	1944-05-30	1944-08-27
1945	1945-05-10	1945-08-29
1946	1946-06-08	1946-08-10
1947	1947-05-31	1947-09-20
1948	1948-06-08	1948-08-01
1949	1949-06-07	1949-09-06
1950	1950-05-21	1950-08-23
1951	1951-07-11	1951-08-30
1952	1952-06-29	1952-08-29
1953	1953-05-18	1953-08-14
1954	1954-06-20	1954-08-06
1955	1955-07-18	1955-07-18
1956	1956-05-28	1956-08-10
1957	1957-06-21	1957-07-08
1958	1958-07-15	1958-08-30
1959	1959-07-08	1959-07-27
1960	1960-06-19	1960-08-25
1961	1961-06-26	1961-08-06
1962	1962-06-23	1962-09-03
1963	1963-06-22	1963-08-03
1964	1964-06-12	1964-08-28
1965	1965-06-25	1965-08-07
1966	1966-06-17	1966-08-13
1967	1967-05-28	1967-08-02
1968	1968-06-28	1968-07-10
1969	1969-05-13	1969-07-28
1970	1970-06-27	1970-08-06
1971	1971-07-10	1971-08-19
1972	1972-07-09	1972-07-09
1974	1974-08-15	1974-08-17
1975	1975-07-14	1975-07-14
1976	1976-06-30	1976-07-17
1977	1977-06-13	1977-06-13
1979	1979-07-29	1979-07-29
1980	1980-08-02	1980-08-02
1982	1982-07-09	1982-07-09
1983	1983-07-17	1983-07-31
1984	1984-07-09	1984-08-03
1985	1985-07-14	1985-08-14
1986	1986-08-03	1986-08-03
1987	1987-06-29	1987-06-30
1988	1988-07-23	1988-07-23
1989	1989-08-16	1989-08-16
1990	1990-07-21	1990-08-13
1991	1991-07-11	1991-08-22
1992	1992-07-20	1992-08-28
1993	1993-07-30	1993-08-22
1994	1994-07-02	1994-08-07
1995	1995-07-10	1995-07-26
1996	1996-06-07	1996-06-07
1998	1998-06-05	1998-08-17
1999	1999-07-03	1999-07-04
2000	2000-06-20	2000-08-20
2001	2001-08-02	2001-08-15
2002	2002-06-15	2002-06-23
2003	2003-06-04	2003-08-17
2005	2005-06-21	2005-07-28
2006	2006-06-18	2006-07-30
2007	2007-07-15	2007-07-16
2008	2008-06-22	2008-07-02
2009	2009-05-24	2009-09-01
2010	2010-07-02	2010-07-21
2011	2011-06-27	2011-08-26
2012	2012-06-29	2012-08-20
2013	2013-06-17	2013-08-05
2014	2014-06-08	2014-07-19
2015	2015-06-05	2015-08-31
2016	2016-06-23	2016-08-28
2017	2017-05-29	2017-08-03
2018	2018-07-24	2018-08-23
2019	2019-06-25	2019-08-18
2020	2020-07-27	2020-08-21
2021	2021-06-16	2021-08-14
2022	2022-05-20	2022-08-05
2023	2023-06-18	2023-08-24
2024	2024-07-09	2024-09-01
2025	2025-06-13	2025-08-15
2026	2026-05-26	2026-09-08

Every Fixed Threshold

Fixed thresholds at Zuerich/Fluntern
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	119	42	1911	30
35 C (95 F): Days	19	9	1947	6
90 F (32.2 C): Days	77	26	1947	18
0 C (32 F): Ice days (max	126	48	1963	7
0 C (32 F): Frost days (min	126	124	1905	35
-10 C (14 F): Days with min	86	29	1963	1
-20 C (-4 F): Days with min	3	3	1956	1
20 C (68 F): Tropical nights (min	25	9	2015	7
10 mm (0.39 in): Days with 10 mm or more rain	126	56	1965	24
25 mm (0.98 in): Days with 25 mm or more rain	124	15	1940	4
50 mm (1.97 in): Days with 50 mm or more rain	40	3	1946	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

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Data for Zuerich/Fluntern 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Zuerich/Fluntern Threshold Days by Year (SZ000003700)

Key Facts for Zuerich/Fluntern Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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