Average October Temperature in San Jacinto by Year

This page contains a list of the average monthly high and low temperatures in San Jacinto, California for the month of October each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest October Ever in San Jacinto?

2020 was the warmest October in the history of San Jacinto, California. The average daily high temperature was 88.6 °F, and the average low was 56.3 °F.

What Was the Coldest October Ever in San Jacinto?

1904 was the coolest October in the history of San Jacinto, California. The average daily high temperature was 69.8 °F, and the average low was 40.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	10	85.1	55.6
2022	11	83.4	56.6
2021	61	79.1	51.4
2020	1	88.6	56.3
2019	35	84.6	50.2
2018	30	80.9	55.0
2017	5	87.2	55.3
2016	26	82.1	55.1
2015	2	84.8	59.6
2014	4	88.8	53.8
2013	64	81.3	48.9
2012	16	85.3	53.8
2011	20	86.0	52.4
2010	44	78.1	54.8
2009	54	81.1	50.4
2008	6	89.3	52.9
2005	47	82.5	50.1
2002	82	77.8	50.0
2001	14	87.2	52.4
1999	13	90.2	49.4
1998	74	82.1	47.0
1995	24	87.6	50.0
1994	78	79.7	48.8
1991	7	89.1	52.9
1990	21	89.3	49.0
1987	23	84.1	53.6
1986	49	83.0	49.2
1984	90	81.2	45.4
1982	51	84.8	47.3
1978	8	89.3	52.5
1977	22	87.9	50.1
1976	56	83.0	48.1
1975	88	82.7	44.2
1974	66	80.5	49.5
1973	57	87.4	43.6
1972	94	76.7	48.3
1971	93	81.8	43.9
1970	71	83.7	45.7
1969	96	82.0	42.7
1968	40	86.0	47.5
1967	25	91.3	46.0
1966	48	86.5	45.8
1965	12	92.5	47.3
1964	9	91.7	49.7
1963	50	84.6	47.4
1962	55	87.1	44.2
1961	52	85.6	46.3
1960	65	83.6	46.6
1959	39	86.7	46.8
1958	18	88.4	50.1
1957	104	74.0	48.0
1956	102	78.6	43.6
1955	79	84.3	44.1
1954	99	85.1	37.9
1953	98	82.9	40.2
1952	58	90.7	40.3
1951	91	83.5	43.1
1950	32	89.5	46.3
1949	95	81.6	43.2
1947	81	82.6	45.4
1946	97	78.7	44.9
1945	41	82.7	50.5
1944	87	82.5	44.4
1943	62	81.4	49.0
1942	86	80.4	46.7
1941	107	74.4	45.0
1940	68	84.2	45.5
1939	3	89.6	54.7
1937	28	90.3	46.3
1936	53	82.9	48.6
1935	92	80.8	45.2
1934	38	85.2	48.9
1933	19	89.4	49.1
1932	76	82.0	46.8
1931	67	80.3	49.6
1930	83	84.2	43.5
1929	33	87.8	47.9
1928	77	84.1	44.7
1927	34	87.8	47.1
1926	27	89.9	46.7
1925	105	74.5	46.9
1924	106	80.3	40.6
1923	75	84.8	44.0
1922	73	83.7	45.5
1921	45	80.5	52.4
1920	109	75.0	43.6
1919	103	77.0	45.2
1918	37	80.9	53.4
1917	17	88.5	50.1
1916	110	76.3	42.0
1915	31	89.9	46.0
1914	42	80.9	52.2
1913	43	86.2	46.8
1912	101	74.8	47.6
1911	60	84.6	46.3
1910	36	85.6	49.2
1909	46	87.2	45.5
1908	89	84.0	42.8
1907	69	78.7	50.8
1906	15	90.2	49.1
1905	84	81.0	46.4
1904	112	69.8	40.0
1903	29	85.4	50.8
1902	85	80.9	46.4
1901	63	82.3	48.1
1900	80	80.2	47.9
1899	100	77.8	44.6
1898	70	84.6	44.9
1897	111	71.7	44.5
1896	72	80.7	48.5
1894	59	85.5	45.5
1893	108	77.5	41.2

Weather Station Details

Years	Station	Coordinates
1978–2024	San Jacinto	location
1893–1978	San Jacinto	location