Number of Days of 100 °F in El Cajon 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 El Cajon, California, between 1899 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2006 holds the record for the most 100 °F days in El Cajon history. There were 18 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 El Cajon so far in 2024. As of March 31, the highest temperature this year is 82 °F.

The last time it reached at least 100° F was August 29, 2023.

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

Year	Rank	Days >= 100 °F
2024	102	0
2023	88	2
2022	88	2
2021	50	5
2020	3	14
2019	98	1
2018	72	3
2017	10	10
2016	29	7
2015	10	10
2014	41	6
2013	72	3
2012	62	4
2011	62	4
2010	41	6
2009	21	8
2008	17	9
2007	102	0
2006	1	18
2005	72	3
2004	72	3
2003	21	8
2002	88	2
2001	98	1
2000	21	8
1999	72	3
1998	102	0
1997	62	4
1996	41	6
1995	21	8
1994	50	5
1993	88	2
1992	41	6
1991	72	3
1990	29	7
1989	41	6
1988	72	3
1987	72	3
1986	98	1
1985	10	10
1984	62	4
1983	10	10
1982	17	9
1981	50	5
1980	50	5
1979	102	0
1978	102	0
1977	102	0
1976	102	0
1975	102	0
1974	102	0
1973	102	0
1972	102	0
1971	102	0
1970	102	0
1969	102	0
1968	102	0
1967	102	0
1966	102	0
1965	102	0
1964	102	0
1963	102	0
1962	102	0
1961	102	0
1960	102	0
1959	21	8
1958	5	13
1957	10	10
1956	9	11
1955	5	13
1954	29	7
1953	17	9
1952	29	7
1951	72	3
1950	88	2
1949	72	3
1948	62	4
1947	21	8
1946	72	3
1945	72	3
1944	29	7
1943	29	7
1942	88	2
1941	88	2
1940	3	14
1939	10	10
1938	62	4
1937	29	7
1936	29	7
1935	29	7
1934	21	8
1933	72	3
1932	102	0
1931	62	4
1930	21	8
1929	5	13
1928	29	7
1927	50	5
1926	72	3
1925	50	5
1924	62	4
1923	62	4
1922	50	5
1921	50	5
1920	50	5
1919	41	6
1918	2	15
1917	8	12
1916	98	1
1915	62	4
1914	102	0
1913	29	7
1912	72	3
1911	88	2
1910	17	9
1909	41	6
1908	41	6
1907	50	5
1906	10	10
1905	29	7
1904	88	2
1903	50	5
1902	72	3
1901	88	2
1900	50	5
1899	41	6

Weather Station Details

Years	Station	Coordinates
1979–2024	El Cajon	location
1899–1979	El Cajon 2 E	location