Days with 10 mm (0.39 in) or more of precipitation in Los Angeles

Los Angeles has had days with 10 mm (0.39 in) or more of precipitation in 109 years, most in 1941 with 27. Days per year, season span, streaks and every date.

Key Facts for Los Angeles

Los Angeles has had days with 10 mm (0.39 in) or more of precipitation in 109 years, 1,236 days in all.
The most in one year was 27 days in 1941.
In 2026, the latest year on file, there were 6 such days.
The earliest first date in a year was 1 January 1922.
The latest last date in a year was 31 December 2004.
The longest run inside a single year was 8 days in 1980.
5 years with under 90 percent of days observed are left out of these rankings.

Days per Year

109 years, 1,236 days

Days per year in Los Angeles with 10 mm (0.39 in) or more of precipitation. The line is the decade average. The most was 27 in 1941. Grey bars are years with under 90 percent of days observed, left out of rankings.

Days with 10 mm (0.39 in) or more of precipitation per year in Los Angeles
Year	Days	Decade average
1909	19	19
1912	2	6.5
1913	11	6.5
1921	18	9.7
1922	10	9.7
1923	5	9.7
1924	8	9.7
1925	8	9.7
1926	10	9.7
1927	14	9.7
1928	7	9.7
1929	7	9.7
1930	14	12.2
1931	17	12.2
1932	8	12.2
1933	8	12.2
1934	14	12.2
1935	11	12.2
1936	14	12.2
1937	14	12.2
1938	16	12.2
1939	6	12.2
1940	17	12.1
1941	27	12.1
1942	6	12.1
1943	19	12.1
1944	13	12.1
1945	8	12.1
1946	13	12.1
1947	2	12.1
1948	6	12.1
1949	10	12.1
1950	6	10.8
1951	13	10.8
1952	18	10.8
1953	4	10.8
1954	13	10.8
1955	12	10.8
1956	6	10.8
1957	12	10.8
1958	16	10.8
1959	8	10.8
1960	11	11.2
1961	5	11.2
1962	12	11.2
1963	11	11.2
1964	9	11.2
1965	18	11.2
1966	7	11.2
1967	17	11.2
1968	5	11.2
1969	17	11.2
1970	11	11.7
1971	6	11.7
1972	6	11.7
1973	16	11.7
1974	11	11.7
1975	9	11.7
1976	9	11.7
1977	13	11.7
1978	23	11.7
1979	13	11.7
1980	18	11.9
1981	12	11.9
1982	11	11.9
1983	27	11.9
1984	8	11.9
1985	8	11.9
1986	14	11.9
1987	7	11.9
1988	11	11.9
1989	3	11.9
1990	4	13.4
1991	12	13.4
1992	18	13.4
1993	19	13.4
1994	8	13.4
1995	18	13.4
1996	15	13.4
1997	12	13.4
1998	19	13.4
1999	9	13.4
2000	11	10.6
2001	13	10.6
2002	4	10.6
2003	10	10.6
2004	16	10.6
2005	17	10.6
2006	6	10.6
2007	7	10.6
2008	13	10.6
2009	9	10.6
2010	18	10.2
2011	10	10.2
2012	10	10.2
2013	3	10.2
2014	6	10.2
2015	7	10.2
2016	11	10.2
2017	7	10.2
2018	9	10.2
2019	21	10.2
2020	7	10.9
2021	9	10.9
2022	5	10.9
2023	25	10.9
2024	10	10.9
2025	14	10.9
2026	6	10.9

Season Span

earliest 1 January, latest 31 December

For each year, a bar from the first to the last day in Los Angeles meeting 10 mm (0.39 in). Long bars mean a long season.

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

Every Year

Days with 10 mm (0.39 in) or more of precipitation per year in Los Angeles
Year	Days	First date	Last date	Longest streak in year	Coverage
2026	6	1 January 2026	6 September 2026	1 days	Incomplete, not ranked
2025	14	6 February 2025	31 December 2025	2 days	Complete
2024	10	20 January 2024	30 March 2024	3 days	Complete
2023	25	4 January 2023	30 December 2023	3 days	Complete
2022	5	28 March 2022	31 December 2022	1 days	Complete
2021	9	28 January 2021	30 December 2021	2 days	Complete
2020	7	12 March 2020	28 December 2020	2 days	Complete
2019	21	5 January 2019	26 December 2019	4 days	Complete
2018	9	9 January 2018	6 December 2018	2 days	Complete
2017	7	9 January 2017	17 February 2017	2 days	Complete
2016	11	5 January 2016	23 December 2016	2 days	Complete
2015	7	10 January 2015	5 October 2015	2 days	Complete
2014	6	27 February 2014	16 December 2014	3 days	Complete
2013	3	24 January 2013	6 May 2013	1 days	Complete
2012	10	21 January 2012	29 December 2012	1 days	Complete
2011	10	2 January 2011	12 December 2011	2 days	Complete
2010	18	18 January 2010	29 December 2010	5 days	Complete
2009	9	5 February 2009	12 December 2009	2 days	Complete
2008	13	4 January 2008	17 December 2008	5 days	Complete
2007	7	11 February 2007	18 December 2007	2 days	Complete
2006	6	2 January 2006	22 May 2006	2 days	Complete
2005	17	2 January 2005	31 December 2005	5 days	Complete
2004	16	2 January 2004	31 December 2004	2 days	Complete
2003	10	11 February 2003	25 December 2003	2 days	Complete
2002	4	27 January 2002	20 December 2002	1 days	Complete
2001	13	10 January 2001	24 November 2001	3 days	Complete
2000	11	25 January 2000	29 October 2000	2 days	Complete
1999	9	26 January 1999	31 December 1999	1 days	Complete
1998	19	4 January 1998	28 November 1998	3 days	Complete
1997	12	12 January 1997	18 December 1997	2 days	Complete
1996	15	21 January 1996	27 December 1996	3 days	Complete
1995	18	3 January 1995	23 December 1995	3 days	Complete
1994	8	4 February 1994	24 December 1994	1 days	Complete
1993	19	6 January 1993	30 November 1993	7 days	Complete
1992	18	5 January 1992	29 December 1992	5 days	Complete
1991	12	3 January 1991	29 December 1991	3 days	Complete
1990	4	2 January 1990	28 May 1990	1 days	Complete
1989	3	5 January 1989	25 March 1989	1 days	Complete
1988	11	17 January 1988	24 December 1988	2 days	Complete
1987	7	4 January 1987	4 December 1987	2 days	Complete
1986	14	30 January 1986	17 November 1986	3 days	Complete
1985	8	28 January 1985	29 November 1985	2 days	Complete
1984	8	15 August 1984	27 December 1984	2 days	Complete
1983	27	19 January 1983	25 December 1983	2 days	Complete
1982	11	1 January 1982	22 December 1982	2 days	Complete
1981	12	28 January 1981	30 December 1981	2 days	Complete
1980	18	9 January 1980	4 December 1980	8 days	Complete
1979	13	5 January 1979	20 October 1979	2 days	Complete
1978	23	4 January 1978	18 December 1978	4 days	Complete
1977	13	2 January 1977	28 December 1977	3 days	Complete
1976	9	5 February 1976	30 December 1976	2 days	Complete
1975	9	2 February 1975	8 April 1975	2 days	Complete
1974	11	4 January 1974	28 December 1974	4 days	Complete
1973	16	16 January 1973	1 December 1973	3 days	Complete
1972	6	11 November 1972	7 December 1972	2 days	Complete
1971	6	13 March 1971	27 December 1971	2 days	Complete
1970	11	9 January 1970	21 December 1970	2 days	Complete
1969	17	13 January 1969	6 November 1969	4 days	Complete
1968	5	27 January 1968	26 December 1968	2 days	Complete
1967	17	22 January 1967	18 December 1967	3 days	Complete
1966	7	30 January 1966	6 December 1966	2 days	Complete
1965	18	7 January 1965	29 December 1965	5 days	Complete
1964	9	21 January 1964	27 December 1964	2 days	Complete
1963	11	31 January 1963	19 November 1963	2 days	Complete
1962	12	20 January 1962	18 March 1962	6 days	Complete
1961	5	26 January 1961	2 December 1961	1 days	Complete
1960	11	10 January 1960	26 November 1960	2 days	Complete
1959	8	5 January 1959	24 December 1959	2 days	Complete
1958	16	25 January 1958	7 April 1958	3 days	Complete
1957	12	12 January 1957	15 December 1957	2 days	Complete
1956	6	25 January 1956	26 April 1956	3 days	Complete
1955	12	1 January 1955	21 November 1955	1 days	Complete
1954	13	12 January 1954	9 December 1954	3 days	Complete
1953	4	6 January 1953	14 November 1953	1 days	Complete
1952	18	12 January 1952	30 December 1952	4 days	Complete
1951	13	10 January 1951	30 December 1951	2 days	Complete
1950	6	8 January 1950	13 November 1950	1 days	Complete
1949	10	11 January 1949	18 December 1949	2 days	Complete
1948	6	5 February 1948	26 December 1948	1 days	Complete
1947	2	9 February 1947	4 December 1947	1 days	Complete
1946	13	3 February 1946	25 December 1946	4 days	Complete
1945	8	1 February 1945	23 December 1945	3 days	Complete
1944	13	5 January 1944	13 November 1944	4 days	Complete
1943	19	21 January 1943	30 December 1943	3 days	Complete
1942	6	21 February 1942	24 December 1942	1 days	Complete
1941	27	23 January 1941	28 December 1941	5 days	Complete
1940	17	4 January 1940	24 December 1940	3 days	Complete
1939	6	5 January 1939	25 September 1939	2 days	Complete
1938	16	15 January 1938	20 December 1938	4 days	Complete
1937	14	12 January 1937	26 December 1937	3 days	Complete
1936	14	1 February 1936	30 December 1936	2 days	Complete
1935	11	5 January 1935	17 November 1935	3 days	Complete
1934	14	1 January 1934	28 December 1934	3 days	Complete
1933	8	16 January 1933	31 December 1933	2 days	Complete
1932	8	15 January 1932	12 December 1932	2 days	Complete
1931	17	1 January 1931	28 December 1931	2 days	Complete
1930	14	5 January 1930	17 November 1930	3 days	Complete
1929	7	20 January 1929	4 April 1929	2 days	Complete
1928	7	3 February 1928	12 December 1928	2 days	Complete
1927	14	20 January 1927	26 December 1927	4 days	Complete
1926	10	31 January 1926	26 November 1926	2 days	Complete
1925	8	6 March 1925	18 December 1925	2 days	Complete
1924	8	2 March 1924	5 December 1924	1 days	Complete
1923	5	30 January 1923	31 December 1923	1 days	Complete
1922	10	1 January 1922	12 December 1922	2 days	Complete
1921	18	17 January 1921	27 December 1921	5 days	Complete
1913	11	9 January 1913	22 December 1913	3 days	Complete
1912	2	9 April 1912	10 April 1912	2 days	Complete
1909	19	9 January 1909	31 December 1909	3 days	Complete

Decade averages for Days with 10 mm (0.39 in) or more of precipitation in Los Angeles
Decade	Average days per year	Years counted
1900s	19.0	1
1910s	6.5	2
1920s	9.7	9
1930s	12.2	10
1940s	12.1	10
1950s	10.8	10
1960s	11.2	10
1970s	11.7	10
1980s	11.9	10
1990s	13.4	10
2000s	10.6	10
2010s	10.2	10
2020s	11.7	6

Compare with your own threshold in the threshold explorer. Fahrenheit thresholds are converted to tenths of a degree Celsius once, rounding half up.

Download the Data

Data for Days with 10 mm (0.39 in) or more of precipitation in Los Angeles, 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 from the threaded city record.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).