Average January 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 January each year between 1928 and 2024. It is based on NOAA data.

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What Was the Hottest January Ever in San Luis Obispo?

2014 was the warmest January in the history of San Luis Obispo, California. The average daily high temperature was 75.7 °F, and the average low was 43.2 °F.

What Was the Coldest January Ever in San Luis Obispo?

1937 was the coolest January in the history of San Luis Obispo, California. The average daily high temperature was 52.4 °F, and the average low was 34.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	5	67.7	46.3
2023	64	61.4	41.9
2022	17	69.2	41.5
2021	15	68.2	42.7
2020	49	64.6	41.0
2019	35	63.9	43.2
2018	2	71.3	45.8
2017	37	63.6	43.3
2016	12	64.8	47.0
2015	8	71.6	41.4
2014	1	75.7	43.2
2013	68	64.7	37.4
2012	27	68.5	40.2
2011	26	66.8	41.9
2010	39	64.2	42.3
2009	3	72.4	42.3
2008	71	60.8	40.5
2007	75	63.7	37.1
2006	48	64.3	41.5
2005	54	63.2	41.9
2004	72	61.8	39.4
2003	9	68.7	43.9
2002	87	61.8	37.4
2001	89	62.4	35.2
2000	40	63.8	42.7
1999	57	65.6	38.9
1998	38	63.0	43.8
1997	36	62.5	44.5
1996	22	66.5	42.7
1995	53	61.0	44.2
1994	21	68.7	40.7
1993	51	61.9	43.3
1992	28	66.2	42.4
1991	45	65.0	41.0
1990	32	65.3	42.9
1989	78	62.5	38.1
1988	66	63.5	39.3
1987	80	61.9	38.6
1986	6	69.6	44.0
1985	69	62.4	39.3
1984	24	66.3	42.7
1983	23	66.2	42.9
1982	82	61.3	39.2
1981	18	66.8	43.8
1980	14	64.0	47.3
1979	76	58.8	41.9
1978	25	62.6	46.2
1977	31	64.1	44.2
1976	10	69.1	43.2
1975	52	65.6	39.6
1974	79	59.1	41.6
1973	88	58.2	39.7
1972	91	59.9	37.3
1971	77	62.3	38.4
1970	33	63.0	44.5
1969	58	61.0	43.4
1968	61	64.1	39.6
1967	46	64.4	41.5
1966	83	60.6	39.8
1965	44	61.5	44.6
1964	67	62.8	39.8
1963	70	62.6	38.8
1962	56	64.1	40.4
1961	11	69.8	42.2
1960	81	59.8	40.7
1959	4	67.6	46.6
1958	19	65.4	44.3
1957	94	58.5	37.2
1956	65	60.1	43.1
1955	90	59.4	38.2
1954	85	59.5	39.9
1953	16	63.9	46.9
1952	92	57.3	39.8
1951	59	61.5	42.5
1950	95	57.0	37.8
1949	96	53.8	34.4
1948	7	69.3	44.0
1947	62	64.4	39.1
1946	63	63.8	39.6
1945	50	63.0	42.4
1944	55	62.5	42.4
1943	42	63.3	42.9
1942	43	63.4	42.8
1941	34	62.8	44.7
1940	29	62.1	46.4
1939	60	61.6	42.4
1938	30	64.6	43.8
1937	97	52.4	34.8
1936	41	63.7	42.7
1935	74	60.9	40.1
1934	20	65.9	43.8
1933	93	59.0	37.8
1932	84	60.1	39.8
1931	47	62.2	43.6
1930	73	58.9	42.2
1929	86	60.8	38.5
1928	13	67.3	44.2

Weather Station Details

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