Number of Days of 100 °F in Santa Ana 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 Santa Ana, 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 Santa Ana history. There were 10 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 Santa Ana so far in 2024. As of March 31, the highest temperature this year is 85 °F.

The last time it reached at least 100° F was September 8, 2022.

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

Year	Rank	Days >= 100 °F
2024	81	0
2023	81	0
2022	7	6
2021	66	1
2020	7	6
2019	81	0
2018	37	2
2017	16	4
2016	10	5
2015	16	4
2014	3	7
2013	81	0
2012	37	2
2011	66	1
2010	16	4
2009	2	8
2008	27	3
2007	27	3
2006	16	4
2005	37	2
2004	16	4
2003	81	0
2002	66	1
2001	81	0
2000	81	0
1999	81	0
1998	37	2
1997	37	2
1996	81	0
1995	81	0
1994	37	2
1993	81	0
1992	81	0
1991	66	1
1990	37	2
1989	37	2
1988	16	4
1987	37	2
1986	81	0
1985	16	4
1984	10	5
1983	37	2
1982	66	1
1981	16	4
1980	81	0
1979	3	7
1978	27	3
1977	81	0
1976	66	1
1975	37	2
1974	81	0
1973	37	2
1972	37	2
1971	10	5
1970	37	2
1969	37	2
1968	66	1
1967	27	3
1966	66	1
1965	37	2
1964	66	1
1963	3	7
1962	81	0
1961	16	4
1960	37	2
1959	81	0
1958	27	3
1957	37	2
1956	37	2
1955	10	5
1954	81	0
1953	27	3
1952	37	2
1951	66	1
1950	37	2
1949	16	4
1948	66	1
1947	27	3
1946	81	0
1945	27	3
1944	66	1
1943	27	3
1942	81	0
1941	81	0
1940	10	5
1939	1	10
1938	81	0
1937	37	2
1936	66	1
1935	37	2
1934	27	3
1933	66	1
1932	37	2
1931	3	7
1930	16	4
1929	7	6
1928	37	2
1927	37	2
1926	81	0
1925	81	0
1924	66	1
1923	81	0
1922	37	2
1921	37	2
1920	81	0
1919	81	0
1918	37	2
1917	10	5
1916	81	0
1915	81	0
1914	81	0
1913	81	0
1912	81	0
1911	81	0
1910	81	0
1909	81	0
1908	81	0
1907	81	0
1906	81	0

Weather Station Details

Years	Station	Coordinates
1906–2024	Santa Ana Fire Station	location