Average Temperature in San Luis Obispo by Year

This page contains a list of the average yearly high and low temperatures in San Luis Obispo, California for each year between 1928 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in San Luis Obispo?

2016 was the warmest year in the history of San Luis Obispo, California. The average daily high temperature was 75.2 °F, and the average low was 51.0 °F.

What Was the Coldest Year Ever in San Luis Obispo?

1971 was the coolest year in the history of San Luis Obispo, California. The average daily high temperature was 69.7 °F, and the average low was 44.5 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	14	72.2	49.8
2022	15	73.9	47.8
2021	16	72.7	48.9
2020	10	74.2	48.7
2019	42	71.0	48.0
2018	13	73.5	48.6
2017	2	75.3	50.8
2016	1	75.2	51.0
2015	4	75.3	50.4
2014	3	75.1	50.9
2013	24	73.5	47.1
2012	32	72.0	47.9
2011	59	70.5	47.3
2010	62	70.0	47.5
2009	8	74.1	49.1
2008	18	72.9	48.3
2007	46	71.9	46.8
2006	52	71.0	47.3
2005	38	71.1	48.1
2004	43	71.6	47.3
2003	50	71.8	46.6
2002	81	70.7	45.5
2001	73	70.4	46.8
2000	44	71.4	47.4
1999	88	69.8	45.2
1998	40	71.2	47.8
1997	5	75.2	49.7
1996	7	74.7	48.9
1995	11	73.3	49.6
1994	51	71.8	46.5
1993	22	73.5	47.5
1992	12	74.0	48.5
1991	48	71.9	46.6
1989	34	73.0	46.5
1987	63	71.0	46.6
1984	20	73.4	47.7
1983	25	71.6	49.0
1982	74	70.4	46.6
1981	21	72.8	48.2
1980	28	71.9	48.5
1979	39	71.3	47.8
1978	36	70.9	48.4
1977	29	71.4	48.8
1976	27	72.5	47.8
1975	91	68.8	45.8
1974	86	69.2	46.0
1973	76	69.4	47.1
1972	67	70.1	47.4
1971	92	69.7	44.5
1970	77	70.6	45.8
1969	64	70.3	47.2
1968	55	70.9	47.3
1967	56	70.7	47.4
1966	65	70.6	46.9
1965	79	69.2	47.2
1964	84	69.6	46.0
1963	68	70.4	47.0
1962	75	69.9	46.8
1961	30	72.0	48.2
1960	54	70.5	47.8
1959	6	74.0	49.7
1958	9	73.2	49.9
1957	47	70.8	47.9
1956	57	71.0	46.9
1955	89	68.6	46.3
1954	66	70.6	46.9
1953	53	70.8	47.5
1952	87	68.6	46.5
1951	71	69.4	47.9
1950	41	70.3	48.7
1949	78	69.6	46.7
1948	83	69.4	46.6
1947	37	71.4	47.9
1946	80	69.5	46.7
1945	70	69.2	48.1
1944	82	68.8	47.3
1943	33	71.1	48.5
1942	69	69.8	47.6
1941	35	69.9	49.5
1940	23	71.0	49.7
1939	49	70.3	48.2
1938	60	69.5	48.3
1937	72	70.0	47.2
1936	31	71.8	48.2
1935	85	69.3	46.3
1934	19	71.8	49.4
1933	90	69.3	45.5
1932	61	70.8	47.0
1931	17	73.0	48.4
1930	58	71.1	46.8
1929	45	72.6	46.2
1928	26	72.6	47.9

Weather Station Details

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