Izana Threshold Days by Year

9 fixed thresholds counted per year at Izana (SP000060010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Izana Thresholds

Izana: days with 10 mm (0.39 in) or more of precipitation in 107 years, most in 1968 with 23.
Izana: nights with a minimum temperature at or below 0 C (32 F) in 102 years, most in 1971 with 92.
Izana: days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 1968 with 11.
Izana: days with a maximum temperature at or below 0 C (32 F) in 91 years, most in 1979 with 19.
9 fixed thresholds have at least one qualifying day at Izana.

Nights at or below 0 C (32 F)

102 years with a qualifying day

Days per year at Izana with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 92 in 1971.

Nights at or below 0 C (32 F) per year at Izana
Year	Days	Decade average
1919	41	41
1920	88	64.6
1922	77	64.6
1923	75	64.6
1924	87	64.6
1925	78	64.6
1926	37	64.6
1927	46	64.6
1928	44	64.6
1929	49	64.6
1930	65	54.2
1931	55	54.2
1932	50	54.2
1933	50	54.2
1934	48	54.2
1935	49	54.2
1936	72	54.2
1937	20	54.2
1938	71	54.2
1939	62	54.2
1940	48	60.2
1941	51	60.2
1942	51	60.2
1943	70	60.2
1944	78	60.2
1945	43	60.2
1946	91	60.2
1947	27	60.2
1948	61	60.2
1949	82	60.2
1950	29	62.4
1951	72	62.4
1952	55	62.4
1953	79	62.4
1954	76	62.4
1955	34	62.4
1956	90	62.4
1957	85	62.4
1959	42	62.4
1960	50	57.8
1961	55	57.8
1962	75	57.8
1963	60	57.8
1964	76	57.8
1965	48	57.8
1966	37	57.8
1967	51	57.8
1968	79	57.8
1969	47	57.8
1970	59	63.8
1971	92	63.8
1972	86	63.8
1973	62	63.8
1974	66	63.8
1975	59	63.8
1976	81	63.8
1977	31	63.8
1978	48	63.8
1979	54	63.8
1980	61	52.1
1981	35	52.1
1982	53	52.1
1983	46	52.1
1984	70	52.1
1985	70	52.1
1986	43	52.1
1987	37	52.1
1988	56	52.1
1989	50	52.1
1990	65	52.4
1992	55	52.4
1995	46	52.4
1996	70	52.4
1997	36	52.4
1998	34	52.4
1999	61	52.4
2000	57	48.2
2001	22	48.2
2003	48	48.2
2004	67	48.2
2005	59	48.2
2006	47	48.2
2007	46	48.2
2008	49	48.2
2009	39	48.2
2010	17	42.8
2011	57	42.8
2012	49	42.8
2013	29	42.8
2014	45	42.8
2015	51	42.8
2016	44	42.8
2017	33	42.8
2018	65	42.8
2019	38	42.8
2020	46	40.9
2021	43	40.9
2022	43	40.9
2023	47	40.9
2024	33	40.9
2025	32	40.9
2026	42	40.9

For each year, a bar from the first to the last day at Izana meeting 0 C (32 F).

First to last qualifying date each year at Izana
Year	First date	Last date
1919	1919-01-05	1919-12-30
1920	1920-01-04	1920-12-19
1922	1922-01-02	1922-12-31
1923	1923-01-05	1923-12-29
1924	1924-01-03	1924-12-31
1925	1925-01-01	1925-11-30
1926	1926-01-11	1926-12-28
1927	1927-01-17	1927-12-26
1928	1928-01-04	1928-12-21
1929	1929-01-03	1929-12-31
1930	1930-01-01	1930-12-25
1931	1931-01-14	1931-12-31
1932	1932-01-01	1932-12-29
1933	1933-01-05	1933-12-30
1934	1934-01-02	1934-11-23
1935	1935-01-01	1935-11-29
1936	1936-01-14	1936-12-31
1937	1937-01-20	1937-12-31
1938	1938-01-01	1938-12-31
1939	1939-01-02	1939-12-24
1940	1940-01-01	1940-12-25
1941	1941-01-09	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-03	1944-12-31
1945	1945-01-01	1945-12-14
1946	1946-01-02	1946-12-25
1947	1947-01-05	1947-12-27
1948	1948-01-11	1948-12-30
1949	1949-01-01	1949-12-22
1950	1950-01-02	1950-12-21
1951	1951-01-01	1951-12-25
1952	1952-01-04	1952-12-31
1953	1953-01-01	1953-12-21
1954	1954-01-02	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-05	1957-12-31
1959	1959-01-11	1959-12-15
1960	1960-01-27	1960-12-25
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-29
1963	1963-01-02	1963-12-31
1964	1964-01-01	1964-12-30
1965	1965-01-04	1965-12-29
1966	1966-01-14	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-29
1970	1970-01-05	1970-12-30
1971	1971-01-01	1971-12-27
1972	1972-01-04	1972-12-31
1973	1973-01-01	1973-12-28
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-21
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-22
1979	1979-01-04	1979-12-25
1980	1980-01-04	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-11	1982-12-31
1983	1983-01-04	1983-12-27
1984	1984-01-02	1984-12-28
1985	1985-01-03	1985-12-31
1986	1986-01-03	1986-12-30
1987	1987-01-13	1987-12-30
1988	1988-01-12	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-06	1990-12-25
1992	1992-01-01	1992-12-31
1995	1995-01-08	1995-12-17
1996	1996-01-14	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-05	1999-12-31
2000	2000-01-01	2000-12-26
2001	2001-01-11	2001-12-04
2003	2003-01-10	2003-12-05
2004	2004-01-18	2004-12-29
2005	2005-01-01	2005-12-29
2006	2006-01-04	2006-12-13
2007	2007-01-25	2007-12-24
2008	2008-01-14	2008-12-27
2009	2009-01-09	2009-12-13
2010	2010-01-26	2010-12-12
2011	2011-01-15	2011-12-29
2012	2012-01-19	2012-12-13
2013	2013-01-22	2013-12-29
2014	2014-01-09	2014-12-31
2015	2015-01-01	2015-12-25
2016	2016-01-05	2016-12-26
2017	2017-01-07	2017-12-14
2018	2018-01-06	2018-11-24
2019	2019-01-14	2019-12-17
2020	2020-01-06	2020-12-31
2021	2021-01-08	2021-12-16
2022	2022-01-10	2022-12-28
2023	2023-01-12	2023-12-25
2024	2024-01-19	2024-12-31
2025	2025-01-22	2025-12-25
2026	2026-01-02	2026-05-15

Every Fixed Threshold

Fixed thresholds at Izana
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	1	1995	1
0 C (32 F): Ice days (max	91	19	1979	2
0 C (32 F): Frost days (min	102	92	1971	42
20 C (68 F): Tropical nights (min	13	5	1998	2
10 mm (0.39 in): Days with 10 mm or more rain	107	23	1968	13
25 mm (0.98 in): Days with 25 mm or more rain	101	11	1968	3
50 mm (1.97 in): Days with 50 mm or more rain	70	6	1979	2
100 mm (3.94 in): Days with 100 mm or more rain	30	3	1950	1
200 mm (7.87 in): Days with 200 mm or more rain	5	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1995.

Download the Data

Data for Izana 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Izana Threshold Days by Year

Key Facts for Izana Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

Related