Los Angeles Threshold Days: Hot, Cold and Wet Days per Year

14 fixed thresholds counted per year for Los Angeles: days at or above 30 C and 100 F, frost, tropical nights and heavy rain, with rankings and streaks.

Key Facts for Los Angeles Thresholds

Los Angeles: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 1981 with 78.
Los Angeles: days with a maximum temperature at or above 90 F (32.2 C) in 111 years, most in 1983 with 47.
Los Angeles: days with Days with 10 mm or more rain (0.39 in) or more of precipitation in 109 years, most in 1941 with 27.
Los Angeles: days with a maximum temperature at or above 35 C (95 F) in 108 years, most in 1983 with 23.
14 fixed thresholds have at least one qualifying day at Los Angeles.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year in Los Angeles with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1981.

Days at or above 30 C (86 F) per year in Los Angeles
Year	Days	Decade average
1909	31	31
1910	36	31.8
1911	23	31.8
1912	25	31.8
1913	43	31.8
1921	27	26.9
1922	35	26.9
1923	22	26.9
1924	25	26.9
1925	17	26.9
1926	24	26.9
1927	31	26.9
1928	13	26.9
1929	48	26.9
1930	49	36.1
1931	54	36.1
1932	23	36.1
1933	23	36.1
1934	34	36.1
1935	32	36.1
1936	33	36.1
1937	31	36.1
1938	34	36.1
1939	48	36.1
1940	28	32.3
1941	26	32.3
1942	24	32.3
1943	31	32.3
1944	15	32.3
1945	37	32.3
1946	29	32.3
1947	39	32.3
1948	36	32.3
1949	58	32.3
1950	30	46.7
1951	35	46.7
1952	49	46.7
1953	40	46.7
1954	55	46.7
1955	39	46.7
1956	41	46.7
1957	56	46.7
1958	59	46.7
1959	63	46.7
1960	63	44.7
1961	44	44.7
1962	28	44.7
1963	34	44.7
1964	34	44.7
1965	35	44.7
1966	57	44.7
1967	62	44.7
1968	49	44.7
1969	41	44.7
1970	55	47.3
1971	68	47.3
1972	62	47.3
1973	42	47.3
1974	39	47.3
1975	26	47.3
1976	39	47.3
1977	39	47.3
1978	57	47.3
1979	46	47.3
1980	59	59.7
1981	78	59.7
1982	45	59.7
1983	63	59.7
1984	74	59.7
1985	62	59.7
1986	67	59.7
1987	49	59.7
1988	43	59.7
1989	57	59.7
1990	72	59.3
1991	44	59.3
1992	71	59.3
1993	45	59.3
1994	72	59.3
1995	70	59.3
1996	69	59.3
1997	71	59.3
1998	49	59.3
1999	30	59.3
2000	34	42.9
2001	19	42.9
2002	27	42.9
2003	48	42.9
2004	40	42.9
2005	27	42.9
2006	72	42.9
2007	47	42.9
2008	65	42.9
2009	50	42.9
2010	37	52.3
2011	21	52.3
2012	52	52.3
2013	36	52.3
2014	63	52.3
2015	73	52.3
2016	61	52.3
2017	74	52.3
2018	56	52.3
2019	50	52.3
2020	68	58.7
2021	50	58.7
2022	47	58.7
2023	39	58.7
2024	56	58.7
2025	60	58.7
2026	91	58.7

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

First to last qualifying date each year in Los Angeles
Year	First date	Last date
1909	1909-04-02	1909-11-03
1910	1910-03-02	1910-10-24
1911	1911-05-20	1911-11-19
1912	1912-01-14	1912-11-27
1913	1913-03-04	1913-11-09
1921	1921-02-24	1921-11-05
1922	1922-04-19	1922-10-24
1923	1923-01-08	1923-10-19
1924	1924-02-13	1924-11-29
1925	1925-04-14	1925-10-20
1926	1926-02-26	1926-11-17
1927	1927-04-21	1927-11-17
1928	1928-05-04	1928-09-28
1929	1929-05-01	1929-12-28
1930	1930-02-16	1930-11-11
1931	1931-03-20	1931-11-04
1932	1932-02-26	1932-11-24
1933	1933-07-25	1933-11-25
1934	1934-03-08	1934-11-05
1935	1935-01-31	1935-10-27
1936	1936-04-11	1936-11-19
1937	1937-04-24	1937-10-11
1938	1938-04-17	1938-12-08
1939	1939-04-06	1939-12-04
1940	1940-04-11	1940-12-07
1941	1941-05-06	1941-11-08
1942	1942-05-19	1942-11-12
1943	1943-02-12	1943-10-10
1944	1944-01-19	1944-09-24
1945	1945-05-15	1945-12-30
1946	1946-04-11	1946-10-25
1947	1947-03-25	1947-10-19
1948	1948-04-15	1948-11-06
1949	1949-04-10	1949-11-18
1950	1950-03-29	1950-12-10
1951	1951-01-25	1951-11-06
1952	1952-03-27	1952-11-04
1953	1953-03-23	1953-11-29
1954	1954-01-31	1954-11-22
1955	1955-03-26	1955-11-07
1956	1956-04-20	1956-11-11
1957	1957-02-12	1957-10-27
1958	1958-04-11	1958-12-10
1959	1959-03-11	1959-11-24
1960	1960-03-19	1960-10-22
1961	1961-04-02	1961-11-05
1962	1962-04-06	1962-10-31
1963	1963-02-03	1963-10-25
1964	1964-04-13	1964-11-30
1965	1965-04-19	1965-12-04
1966	1966-03-31	1966-11-02
1967	1967-02-28	1967-11-11
1968	1968-02-24	1968-11-10
1969	1969-03-25	1969-11-02
1970	1970-05-02	1970-10-29
1971	1971-01-17	1971-11-03
1972	1972-03-04	1972-11-26
1973	1973-05-02	1973-10-31
1974	1974-04-14	1974-11-13
1975	1975-01-14	1975-11-13
1976	1976-01-16	1976-11-16
1977	1977-02-12	1977-11-28
1978	1978-03-16	1978-10-23
1979	1979-05-12	1979-12-05
1980	1980-02-26	1980-12-30
1981	1981-02-16	1981-11-08
1982	1982-02-20	1982-10-23
1983	1983-04-01	1983-11-03
1984	1984-03-19	1984-10-13
1985	1985-02-13	1985-12-24
1986	1986-01-10	1986-11-12
1987	1987-01-26	1987-10-27
1988	1988-02-10	1988-10-31
1989	1989-02-22	1989-12-23
1990	1990-03-20	1990-11-23
1991	1991-02-14	1991-11-12
1992	1992-02-27	1992-11-14
1993	1993-03-06	1993-11-03
1994	1994-01-03	1994-10-31
1995	1995-02-01	1995-11-29
1996	1996-01-07	1996-11-12
1997	1997-03-09	1997-11-03
1998	1998-03-11	1998-12-16
1999	1999-04-15	1999-11-01
2000	2000-04-26	2000-10-17
2001	2001-02-04	2001-10-14
2002	2002-02-21	2002-11-21
2003	2003-01-31	2003-10-28
2004	2004-03-07	2004-09-24
2005	2005-04-06	2005-11-15
2006	2006-02-13	2006-11-20
2007	2007-01-08	2007-11-15
2008	2008-03-22	2008-11-21
2009	2009-01-12	2009-11-01
2010	2010-03-16	2010-11-05
2011	2011-03-31	2011-10-13
2012	2012-01-04	2012-11-24
2013	2013-05-02	2013-11-14
2014	2014-03-16	2014-11-27
2015	2015-02-13	2015-11-21
2016	2016-02-08	2016-11-14
2017	2017-03-09	2017-11-23
2018	2018-01-29	2018-11-03
2019	2019-04-08	2019-11-18
2020	2020-02-01	2020-11-16
2021	2021-01-15	2021-11-14
2022	2022-02-12	2022-10-20
2023	2023-04-21	2023-11-01
2024	2024-06-22	2024-10-23
2025	2025-02-27	2025-12-10
2026	2026-01-31	2026-10-09

Every Fixed Threshold

Fixed thresholds in Los Angeles
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days	Page
30 C (86 F): Days	111	78	1981	91	Full page
35 C (95 F): Days	108	23	1983	22	Full page
40 C (104 F): Days	30	4	1963	3	Full page
45 C (113 F): Days	1	1	2010	1	Too few years
90 F (32.2 C): Days	111	47	1983	53	Full page
100 F (37.8 C): Days	72	8	1955	6	Full page
110 F (43.3 C): Days	6	1	1955	1	Full page
Frost days (min at or below 0 C) (32 F): Frost days (min	8	4	1949	1	Full page
Tropical nights (min at or above 20 C) (68 F): Tropical nights (min	106	78	1984	47	Full page
25 C (77 F): Days with min	26	7	1984	4	Full page
Days with 10 mm or more rain (0.39 in): Days with 10 mm or more rain	109	27	1941	6	Full page
Days with 25 mm or more rain (0.98 in): Days with 25 mm or more rain	101	13	1983	2	Full page
Days with 50 mm or more rain (1.97 in): Days with 50 mm or more rain	58	4	1926	2	Full page
Days with 100 mm or more rain (3.94 in): Days with 100 mm or more rain	8	1	1913	1	Full page

A full page with streaks and every date exists for thresholds with at least 5 qualifying years. Years with under 90 percent of days observed are left out of the most days column.

Download the Data

Data for Los Angeles 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 2026-10-12 (12 October 2026). Threshold counts are computed by this site from the threaded city record.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Los Angeles Threshold Days: Hot, Cold and Wet Days per Year

Key Facts for Los Angeles Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related