Average April Temperature in San Luis Obispo by Year

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

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What Was the Hottest April Ever in San Luis Obispo?

1992 was the warmest April in the history of San Luis Obispo, California. The average daily high temperature was 76.6 °F, and the average low was 49.7 °F.

What Was the Coldest April Ever in San Luis Obispo?

1967 was the coolest April in the history of San Luis Obispo, California. The average daily high temperature was 57.6 °F, and the average low was 40.5 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	54	67.8	46.3
2022	15	71.6	47.3
2021	62	67.1	45.5
2020	30	68.8	47.9
2019	26	68.7	48.6
2018	20	70.2	48.3
2017	6	72.6	49.9
2016	3	74.7	48.9
2015	19	71.9	46.7
2014	5	73.4	49.2
2013	24	71.5	46.1
2012	31	69.8	46.9
2011	58	67.7	45.6
2010	73	65.7	45.3
2009	35	71.3	44.7
2008	43	70.2	45.1
2007	51	69.6	44.8
2006	77	63.8	46.9
2005	67	68.5	43.5
2004	28	71.6	45.5
2003	89	65.2	41.4
2002	59	67.3	45.7
2001	90	64.4	42.2
2000	37	69.2	46.6
1999	93	64.3	41.1
1998	74	66.7	44.3
1997	21	72.6	45.7
1996	2	75.2	48.9
1995	39	69.7	45.8
1994	42	69.6	45.7
1993	22	72.5	45.5
1992	1	76.6	49.7
1991	52	68.5	45.8
1990	17	70.8	48.1
1989	4	73.9	49.0
1987	9	74.9	45.8
1986	45	70.0	45.0
1985	14	72.5	46.5
1984	69	68.3	43.1
1983	86	65.5	41.9
1982	64	68.2	44.2
1981	34	69.7	46.4
1980	32	69.9	46.7
1979	44	68.4	46.8
1978	81	63.6	46.0
1977	50	70.3	44.2
1976	84	64.7	43.4
1975	94	60.9	39.2
1974	68	67.8	43.9
1973	61	67.5	45.1
1972	53	69.8	44.4
1971	82	65.8	43.3
1970	92	66.8	39.5
1969	71	66.1	45.2
1968	56	68.4	45.2
1967	95	57.6	40.5
1966	8	72.8	48.0
1965	63	65.8	46.6
1964	72	66.3	44.9
1963	91	63.1	43.2
1962	12	71.5	48.2
1961	29	70.2	46.8
1960	27	70.5	46.8
1959	7	71.5	50.2
1958	13	70.4	48.8
1957	55	68.1	45.5
1956	79	65.5	44.5
1955	85	64.3	43.5
1954	47	67.6	47.2
1953	83	64.1	44.4
1952	48	67.7	47.0
1951	76	64.3	46.3
1950	33	69.4	47.1
1949	36	70.0	46.0
1948	80	64.2	45.8
1947	18	70.7	48.0
1946	41	68.7	46.7
1945	70	67.3	44.1
1944	88	63.0	44.2
1943	49	67.7	46.8
1942	66	64.7	47.5
1941	78	64.4	45.6
1940	25	69.8	47.6
1939	38	68.9	46.8
1938	60	65.8	46.8
1937	65	67.6	44.7
1936	46	68.1	46.8
1935	57	66.4	47.1
1934	16	71.8	47.1
1933	75	67.0	43.7
1932	40	71.6	43.8
1931	11	72.4	47.6
1930	23	70.7	47.3
1929	87	65.0	42.4
1928	10	72.8	47.9

Weather Station Details

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