Lugano Threshold Days by Year (SZ000009480)

14 fixed thresholds counted per year at Lugano (SZ000009480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lugano Thresholds

Lugano: nights with a minimum temperature at or below 0 C (32 F) in 126 years, most in 1929 with 110.
Lugano: days with 10 mm (0.39 in) or more of precipitation in 126 years, most in 2014 with 75.
Lugano: days with 25 mm (0.98 in) or more of precipitation in 126 years, most in 1960 with 45.
Lugano: days with 50 mm (1.97 in) or more of precipitation in 125 years, most in 1920 with 12.
14 fixed thresholds have at least one qualifying day at Lugano.

Days at or above 30 C (86 F)

121 years with a qualifying day

Days per year at Lugano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1906.

Days at or above 30 C (86 F) per year at Lugano
Year	Days	Decade average
1901	15	23.3
1902	13	23.3
1903	7	23.3
1904	30	23.3
1905	29	23.3
1906	55	23.3
1907	20	23.3
1908	21	23.3
1909	20	23.3
1910	6	19.7
1911	38	19.7
1912	7	19.7
1913	10	19.7
1914	20	19.7
1915	16	19.7
1916	10	19.7
1917	22	19.7
1918	20	19.7
1919	48	19.7
1920	37	25.5
1921	29	25.5
1922	14	25.5
1923	27	25.5
1924	8	25.5
1925	14	25.5
1926	20	25.5
1927	33	25.5
1928	50	25.5
1929	23	25.5
1930	10	16.7
1931	32	16.7
1932	19	16.7
1933	27	16.7
1934	18	16.7
1935	29	16.7
1936	8	16.7
1937	9	16.7
1938	14	16.7
1939	1	16.7
1940	1	22.5
1941	10	22.5
1942	19	22.5
1943	33	22.5
1944	10	22.5
1945	44	22.5
1946	20	22.5
1947	51	22.5
1948	8	22.5
1949	29	22.5
1950	37	24.7
1951	4	24.7
1952	23	24.7
1953	29	24.7
1954	24	24.7
1955	19	24.7
1956	16	24.7
1957	25	24.7
1958	29	24.7
1959	41	24.7
1960	9	9.5
1961	10	9.5
1962	13	9.5
1963	4	9.5
1964	12	9.5
1965	10	9.5
1966	4	9.5
1967	15	9.5
1968	6	9.5
1969	12	9.5
1970	11	6.2
1971	7	6.2
1973	1	6.2
1974	9	6.2
1975	2	6.2
1976	7	6.2
1980	1	4.6
1982	1	4.6
1983	14	4.6
1984	15	4.6
1985	2	4.6
1986	1	4.6
1987	1	4.6
1988	5	4.6
1989	1	4.6
1990	7	7
1991	12	7
1992	10	7
1993	3	7
1994	18	7
1995	6	7
1996	4	7
1997	3	7
1998	6	7
1999	1	7
2000	2	12.2
2001	4	12.2
2002	7	12.2
2003	47	12.2
2004	6	12.2
2005	11	12.2
2006	22	12.2
2007	10	12.2
2008	3	12.2
2009	10	12.2
2010	11	15.3
2011	12	15.3
2012	13	15.3
2013	16	15.3
2014	6	15.3
2015	27	15.3
2016	8	15.3
2017	16	15.3
2018	22	15.3
2019	22	15.3
2020	13	25.6
2021	9	25.6
2022	38	25.6
2023	24	25.6
2024	29	25.6
2025	31	25.6
2026	35	25.6

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

First to last qualifying date each year at Lugano
Year	First date	Last date
1901	1901-05-31	1901-08-21
1902	1902-06-03	1902-07-18
1903	1903-06-29	1903-09-02
1904	1904-06-17	1904-08-17
1905	1905-06-03	1905-09-04
1906	1906-05-28	1906-09-10
1907	1907-06-20	1907-08-28
1908	1908-05-20	1908-08-24
1909	1909-05-24	1909-08-19
1910	1910-07-21	1910-08-21
1911	1911-07-09	1911-09-10
1912	1912-06-20	1912-07-28
1913	1913-06-02	1913-08-25
1914	1914-06-29	1914-09-05
1915	1915-06-12	1915-08-14
1916	1916-05-19	1916-08-14
1917	1917-06-07	1917-08-26
1918	1918-07-16	1918-08-25
1919	1919-06-06	1919-09-18
1920	1920-05-14	1920-09-07
1921	1921-06-01	1921-08-09
1922	1922-05-27	1922-08-19
1923	1923-07-10	1923-08-16
1924	1924-07-04	1924-07-16
1925	1925-06-11	1925-08-16
1926	1926-07-04	1926-09-08
1927	1927-05-25	1927-09-02
1928	1928-06-24	1928-09-10
1929	1929-06-11	1929-09-07
1930	1930-06-15	1930-08-28
1931	1931-05-26	1931-08-19
1932	1932-07-31	1932-08-30
1933	1933-07-05	1933-09-04
1934	1934-06-27	1934-08-01
1935	1935-06-19	1935-08-12
1936	1936-06-18	1936-08-18
1937	1937-06-11	1937-08-19
1938	1938-06-24	1938-08-06
1939	1939-08-15	1939-08-15
1940	1940-07-03	1940-07-03
1941	1941-06-20	1941-08-27
1942	1942-06-07	1942-09-13
1943	1943-05-16	1943-08-31
1944	1944-07-17	1944-08-26
1945	1945-04-19	1945-08-15
1946	1946-06-30	1946-08-13
1947	1947-06-02	1947-09-21
1948	1948-06-13	1948-08-27
1949	1949-04-13	1949-09-06
1950	1950-06-08	1950-08-27
1951	1951-07-20	1951-08-02
1952	1952-06-26	1952-08-15
1953	1953-05-18	1953-09-02
1954	1954-06-17	1954-09-04
1955	1955-06-25	1955-08-23
1956	1956-07-06	1956-09-13
1957	1957-06-15	1957-08-20
1958	1958-06-04	1958-08-30
1959	1959-06-04	1959-08-28
1960	1960-05-25	1960-08-27
1961	1961-07-03	1961-08-31
1962	1962-06-23	1962-09-13
1963	1963-06-21	1963-08-02
1964	1964-06-08	1964-08-02
1965	1965-06-25	1965-08-08
1966	1966-06-28	1966-08-14
1967	1967-06-26	1967-08-02
1968	1968-06-29	1968-07-12
1969	1969-07-18	1969-08-06
1970	1970-06-11	1970-09-06
1971	1971-07-11	1971-08-16
1973	1973-06-18	1973-06-18
1974	1974-07-02	1974-08-18
1975	1975-07-12	1975-07-23
1976	1976-06-16	1976-07-29
1980	1980-08-06	1980-08-06
1982	1982-07-07	1982-07-07
1983	1983-07-13	1983-09-25
1984	1984-06-15	1984-08-04
1985	1985-07-02	1985-07-25
1986	1986-07-29	1986-07-29
1987	1987-07-09	1987-07-09
1988	1988-07-23	1988-09-06
1989	1989-07-26	1989-07-26
1990	1990-07-17	1990-08-21
1991	1991-07-06	1991-08-12
1992	1992-07-28	1992-08-20
1993	1993-08-06	1993-08-18
1994	1994-06-30	1994-08-22
1995	1995-06-22	1995-08-02
1996	1996-06-10	1996-06-13
1997	1997-07-15	1997-07-26
1998	1998-07-23	1998-08-12
1999	1999-07-14	1999-07-14
2000	2000-06-15	2000-08-25
2001	2001-05-29	2001-08-01
2002	2002-06-16	2002-06-23
2003	2003-06-10	2003-08-27
2004	2004-06-10	2004-08-02
2005	2005-06-22	2005-07-28
2006	2006-06-21	2006-07-31
2007	2007-07-16	2007-07-30
2008	2008-06-23	2008-08-05
2009	2009-05-24	2009-08-29
2010	2010-07-02	2010-07-18
2011	2011-04-08	2011-08-26
2012	2012-06-19	2012-08-23
2013	2013-06-18	2013-08-13
2014	2014-06-08	2014-06-13
2015	2015-07-02	2015-08-13
2016	2016-06-23	2016-07-20
2017	2017-05-24	2017-08-05
2018	2018-06-30	2018-08-23
2019	2019-06-25	2019-07-30
2020	2020-06-22	2020-08-21
2021	2021-06-13	2021-08-15
2022	2022-06-13	2022-08-25
2023	2023-06-22	2023-08-25
2024	2024-06-28	2024-08-30
2025	2025-06-13	2025-08-17
2026	2026-05-26	2026-08-19

Every Fixed Threshold

Fixed thresholds at Lugano
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	121	55	1906	35
35 C (95 F): Days	19	6	1928	1
90 F (32.2 C): Days	70	29	1928	24
100 F (37.8 C): Days	1	1	1945	1
0 C (32 F): Ice days (max	40	13	1947	6
0 C (32 F): Frost days (min	126	110	1929	9
-10 C (14 F): Days with min	6	7	1929	3
20 C (68 F): Tropical nights (min	96	45	2003	34
25 C (77 F): Days with min	2	1	2019	1
10 mm (0.39 in): Days with 10 mm or more rain	126	75	2014	16
25 mm (0.98 in): Days with 25 mm or more rain	126	45	1960	6
50 mm (1.97 in): Days with 50 mm or more rain	125	12	1920	3
100 mm (3.94 in): Days with 100 mm or more rain	49	3	1928	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1911	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.

Download the Data

Data for Lugano 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).

Lugano Threshold Days by Year (SZ000009480)

Key Facts for Lugano Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related