Number of Days of 100 °F in Los Angeles by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Los Angeles, California, between 1906 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1939 holds the record for the most 100 °F days in Los Angeles history. There were 7 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Los Angeles so far in 2024. As of April 29, the highest temperature this year is 78 °F.

The last time it reached at least 100° F was September 9, 2022.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	40	0
2023	40	0
2022	11	2
2021	40	0
2020	40	0
2019	40	0
2018	40	0
2017	3	3
2016	18	1
2015	40	0
2014	40	0
2013	40	0
2012	40	0
2011	40	0
2010	18	1
2009	40	0
2008	40	0
2007	40	0
2006	40	0
2005	40	0
2004	18	1
2003	40	0
2002	40	0
2001	40	0
2000	40	0
1999	40	0
1998	40	0
1997	40	0
1996	40	0
1995	40	0
1994	40	0
1993	40	0
1992	40	0
1991	40	0
1990	40	0
1989	11	2
1988	18	1
1987	18	1
1986	40	0
1985	40	0
1984	40	0
1983	40	0
1982	40	0
1981	18	1
1980	40	0
1979	3	3
1978	3	3
1977	40	0
1976	40	0
1975	11	2
1974	18	1
1973	40	0
1972	40	0
1971	11	2
1970	18	1
1969	40	0
1968	40	0
1967	40	0
1966	18	1
1965	11	2
1964	40	0
1963	2	4
1962	40	0
1961	3	3
1960	40	0
1959	18	1
1958	3	3
1957	18	1
1956	40	0
1955	11	2
1954	40	0
1953	3	3
1952	40	0
1951	40	0
1950	40	0
1949	40	0
1948	40	0
1947	40	0
1946	40	0
1945	40	0
1944	11	2
1943	18	1
1942	40	0
1941	40	0
1940	40	0
1939	1	7
1938	40	0
1937	40	0
1936	40	0
1935	40	0
1934	40	0
1933	18	1
1932	40	0
1931	40	0
1930	40	0
1929	18	1
1928	40	0
1927	40	0
1926	18	1
1925	40	0
1924	18	1
1923	40	0
1922	18	1
1921	18	1
1920	40	0
1919	40	0
1918	40	0
1917	40	0
1916	40	0
1915	40	0
1914	40	0
1913	18	1
1912	18	1
1911	40	0
1910	18	1
1909	3	3
1908	40	0
1907	3	3
1906	18	1

Weather Station Details

Years	Station	Coordinates
1945–2024	Los Angeles International Airport	location
1906–1944	University of Southern California	location