Lisbon Threshold Days by Year (USC00325220)

21 fixed thresholds counted per year at Lisbon (USC00325220): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lisbon Thresholds

Lisbon: days with a maximum temperature at or above 30 C (86 F) in 105 years, most in 1976 with 63.
Lisbon: days with a maximum temperature at or above 90 F (32.2 C) in 105 years, most in 1983 with 44.
Lisbon: days with a maximum temperature at or below 0 C (32 F) in 105 years, most in 1955 with 114.
Lisbon: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1927 with 30.
21 fixed thresholds have at least one qualifying day at Lisbon.

Days at or above 30 C (86 F)

105 years with a qualifying day

Days per year at Lisbon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1976.

Days at or above 30 C (86 F) per year at Lisbon
Year	Days	Decade average
1904	17	22
1905	17	22
1906	22	22
1907	15	22
1908	39	22
1910	57	37.9
1911	43	37.9
1912	28	37.9
1913	45	37.9
1914	49	37.9
1915	21	37.9
1916	40	37.9
1917	33	37.9
1918	22	37.9
1919	41	37.9
1920	32	37.9
1921	51	37.9
1922	41	37.9
1923	36	37.9
1924	29	37.9
1925	42	37.9
1926	45	37.9
1927	23	37.9
1928	29	37.9
1929	51	37.9
1930	39	48.8
1931	44	48.8
1932	42	48.8
1933	51	48.8
1934	54	48.8
1935	34	48.8
1936	62	48.8
1937	55	48.8
1938	53	48.8
1939	54	48.8
1940	52	34.2
1941	50	34.2
1942	20	34.2
1943	40	34.2
1944	21	34.2
1945	22	34.2
1946	21	34.2
1947	32	34.2
1948	45	34.2
1949	39	34.2
1950	23	34.3
1954	29	34.3
1955	52	34.3
1956	22	34.3
1957	25	34.3
1958	38	34.3
1959	51	34.3
1960	50	37
1961	44	37
1962	18	37
1963	31	37
1964	37	37
1965	28	37
1966	48	37
1967	38	37
1968	21	37
1969	55	37
1970	55	40.8
1971	36	40.8
1972	28	40.8
1973	34	40.8
1974	37	40.8
1975	33	40.8
1976	63	40.8
1978	48	40.8
1979	33	40.8
1980	46	41
1981	34	41
1982	42	41
1983	62	41
1984	41	41
1985	40	41
1986	22	41
1989	41	41
1992	15	24
1993	10	24
1994	20	24
1995	30	24
1996	23	24
1997	31	24
1998	35	24
1999	28	24
2000	37	39.7
2001	46	39.7
2002	53	39.7
2005	32	39.7
2006	46	39.7
2008	24	39.7
2015	36	28.8
2016	22	28.8
2017	28	28.8
2018	38	28.8
2019	20	28.8
2020	31	40.3
2021	57	40.3
2022	34	40.3
2023	38	40.3
2024	33	40.3
2025	35	40.3
2026	54	40.3

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

First to last qualifying date each year at Lisbon
Year	First date	Last date
1904	1904-06-18	1904-09-10
1905	1905-06-14	1905-09-30
1906	1906-05-12	1906-10-03
1907	1907-06-17	1907-09-01
1908	1908-04-22	1908-09-21
1910	1910-04-28	1910-10-03
1911	1911-05-10	1911-09-17
1912	1912-05-10	1912-09-09
1913	1913-04-16	1913-09-17
1914	1914-05-10	1914-10-02
1915	1915-04-14	1915-09-06
1916	1916-05-06	1916-09-24
1917	1917-05-16	1917-09-23
1918	1918-05-04	1918-08-28
1919	1919-05-28	1919-09-19
1920	1920-07-03	1920-09-21
1921	1921-05-21	1921-09-01
1922	1922-06-04	1922-10-03
1923	1923-05-26	1923-09-24
1924	1924-06-14	1924-09-03
1925	1925-05-19	1925-09-05
1926	1926-04-15	1926-09-01
1927	1927-06-19	1927-09-18
1928	1928-05-07	1928-09-07
1929	1929-05-26	1929-09-21
1930	1930-05-20	1930-09-23
1931	1931-05-13	1931-10-01
1932	1932-05-14	1932-09-15
1933	1933-06-02	1933-09-19
1934	1934-04-29	1934-10-13
1935	1935-06-14	1935-09-24
1936	1936-05-29	1936-10-08
1937	1937-05-29	1937-10-03
1938	1938-06-05	1938-10-03
1939	1939-05-02	1939-09-19
1940	1940-06-01	1940-09-20
1941	1941-05-14	1941-09-21
1942	1942-07-09	1942-09-11
1943	1943-05-29	1943-10-08
1944	1944-05-24	1944-08-20
1945	1945-06-22	1945-09-07
1946	1946-06-07	1946-08-15
1947	1947-07-04	1947-10-21
1948	1948-05-19	1948-09-19
1949	1949-05-04	1949-09-25
1950	1950-05-23	1950-08-23
1954	1954-06-13	1954-09-01
1955	1955-05-02	1955-10-11
1956	1956-06-03	1956-10-12
1957	1957-07-01	1957-09-01
1958	1958-05-12	1958-10-13
1959	1959-05-01	1959-09-12
1960	1960-05-31	1960-09-21
1961	1961-05-31	1961-09-09
1962	1962-04-24	1962-09-07
1963	1963-05-30	1963-10-04
1964	1964-05-18	1964-09-09
1965	1965-05-13	1965-08-22
1966	1966-05-21	1966-10-07
1967	1967-05-23	1967-09-07
1968	1968-04-30	1968-09-14
1969	1969-05-14	1969-09-15
1970	1970-05-17	1970-10-06
1971	1971-06-12	1971-09-14
1972	1972-05-17	1972-09-20
1973	1973-06-02	1973-08-31
1974	1974-06-04	1974-09-26
1975	1975-06-12	1975-10-08
1976	1976-06-02	1976-10-01
1978	1978-05-25	1978-09-11
1979	1979-05-28	1979-09-27
1980	1980-04-20	1980-09-08
1981	1981-07-01	1981-09-13
1982	1982-05-04	1982-09-11
1983	1983-06-10	1983-09-27
1984	1984-05-17	1984-09-22
1985	1985-04-19	1985-08-09
1986	1986-05-05	1986-08-20
1989	1989-06-20	1989-10-01
1992	1992-05-01	1992-10-02
1993	1993-05-14	1993-10-07
1994	1994-05-19	1994-09-11
1995	1995-06-15	1995-09-29
1996	1996-06-10	1996-09-10
1997	1997-06-01	1997-10-02
1998	1998-06-24	1998-09-18
1999	1999-05-29	1999-08-31
2000	2000-05-04	2000-09-18
2001	2001-04-28	2001-09-06
2002	2002-05-27	2002-09-17
2005	2005-05-20	2005-10-01
2006	2006-05-23	2006-10-07
2008	2008-06-24	2008-09-01
2015	2015-05-03	2015-10-12
2016	2016-05-06	2016-08-29
2017	2017-06-03	2017-09-23
2018	2018-05-17	2018-09-17
2019	2019-05-31	2019-09-21
2020	2020-06-02	2020-08-24
2021	2021-05-25	2021-09-30
2022	2022-06-13	2022-09-20
2023	2023-05-23	2023-10-03
2024	2024-05-18	2024-09-30
2025	2025-05-11	2025-10-04
2026	2026-04-23	2026-10-11

Every Fixed Threshold

Fixed thresholds at Lisbon
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	105	63	1976	54
35 C (95 F): Days	94	25	1936	6
40 C (104 F): Days	21	7	1936	2
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	105	44	1983	29
100 F (37.8 C): Days	49	15	1936	2
110 F (43.3 C): Days	4	2	1936	1
0 C (32 F): Ice days (max	105	114	1955	48
0 C (32 F): Frost days (min	101	218	1907	123
-10 C (14 F): Days with min	101	140	1926	49
-20 C (-4 F): Days with min	101	74	1917	15
-30 C (-22 F): Days with min	91	22	1916	8
-40 C (-40 F): Days with min	5	2	2019	2
20 C (68 F): Tropical nights (min	82	17	1983	4
25 C (77 F): Days with min	9	3	1931	2
10 mm (0.39 in): Days with 10 mm or more rain	102	30	1927	10
25 mm (0.98 in): Days with 25 mm or more rain	102	11	1927	2
50 mm (1.97 in): Days with 50 mm or more rain	52	6	1919	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	53	9	1996	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1937	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Lisbon 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).

Lisbon Threshold Days by Year (USC00325220)

Key Facts for Lisbon Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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