Number of Days of 110 °F in San Luis Obispo by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 110 degrees Fahrenheit in San Luis Obispo, California, between 1893 and 2024.

Also see:

Which year had the most 110° days?

Based on NOAA records, the year 2010 holds the record for the most 110 °F days in San Luis Obispo history. There were 2 days with a high temperature of at least 110 degrees that year.

How many so far this year (2024)?

It has not reached 110 degrees Fahrenheit in San Luis Obispo so far in 2024. As of April 29, the highest temperature this year is 86 °F.

The last time it reached at least 110° F was September 6, 2020.

Years marked with a gold background have more than 5% incomplete data
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Year	Rank	Days >= 110 °F
2024	8	0
2023	8	0
2022	8	0
2021	8	0
2020	2	1
2019	8	0
2018	8	0
2017	2	1
2016	8	0
2015	8	0
2014	8	0
2013	8	0
2012	8	0
2011	8	0
2010	1	2
2009	2	1
2008	8	0
2007	8	0
2006	8	0
2005	8	0
2004	8	0
2003	8	0
2002	8	0
2001	8	0
2000	8	0
1999	8	0
1998	8	0
1997	8	0
1996	8	0
1995	8	0
1994	8	0
1993	8	0
1992	8	0
1991	8	0
1990	8	0
1989	2	1
1988	8	0
1987	8	0
1986	8	0
1985	8	0
1984	8	0
1983	8	0
1982	8	0
1981	8	0
1980	8	0
1979	8	0
1978	8	0
1977	8	0
1976	8	0
1975	8	0
1974	8	0
1973	8	0
1972	8	0
1971	2	1
1970	8	0
1969	8	0
1968	8	0
1967	8	0
1966	8	0
1965	8	0
1964	8	0
1963	8	0
1962	8	0
1961	8	0
1960	8	0
1959	8	0
1958	8	0
1957	8	0
1956	8	0
1955	2	1
1954	8	0
1953	8	0
1952	8	0
1951	8	0
1950	8	0
1949	8	0
1948	8	0
1947	8	0
1946	8	0
1945	8	0
1944	8	0
1943	8	0
1942	8	0
1941	8	0
1940	8	0
1939	8	0
1938	8	0
1937	8	0
1936	8	0
1935	8	0
1934	8	0
1933	8	0
1932	8	0
1931	8	0
1930	8	0
1929	8	0
1928	8	0
1927	8	0
1926	8	0
1925	8	0
1924	8	0
1923	8	0
1922	8	0
1921	8	0
1920	8	0
1919	8	0
1918	8	0
1917	8	0
1916	8	0
1915	8	0
1914	8	0
1913	8	0
1912	8	0
1911	8	0
1910	8	0
1909	8	0
1908	8	0
1907	8	0
1906	8	0
1905	8	0
1904	8	0
1903	8	0
1902	8	0
1901	8	0
1900	8	0
1899	8	0
1898	8	0
1897	8	0
1896	8	0
1895	8	0
1894	8	0
1893	8	0

Weather Station Details

Years	Station	Coordinates
1999–2024	San Luis Obispo Airport	location
1893–1998	San Luis Obispo Poly	location