Average October Temperature in Petaluma by Year

This page contains a list of the average monthly high and low temperatures in Petaluma, California for the month of October each year between 1913 and 2023. It is based on NOAA data.

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What Was the Hottest October Ever in Petaluma?

1929 was the warmest October in the history of Petaluma, California. The average daily high temperature was 80.6 °F, and the average low was 56.5 °F.

What Was the Coldest October Ever in Petaluma?

1916 was the coolest October in the history of Petaluma, California. The average daily high temperature was 67.0 °F, and the average low was 43.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	28	77.3	48.2
2022	49	75.3	48.3
2021	69	73.4	48.3
2020	3	82.7	49.8
2019	57	78.2	44.4
2018	16	77.5	49.4
2017	27	79.1	46.4
2016	64	72.9	49.4
2015	2	80.4	52.4
2014	4	81.2	49.8
2013	87	76.0	43.6
2012	24	76.0	50.1
2011	54	75.3	47.4
2008	30	78.2	46.9
2007	99	71.2	46.7
2006	85	73.9	46.2
2004	86	71.6	48.2
2003	15	79.9	47.2
2002	68	75.5	46.3
2001	11	79.2	49.2
2000	81	71.8	48.8
1999	13	79.7	48.1
1998	60	75.8	46.5
1997	36	76.0	48.4
1996	72	75.0	46.6
1995	34	78.2	46.4
1994	84	75.4	44.8
1993	43	75.7	48.2
1992	17	76.8	50.0
1989	78	74.4	46.5
1988	50	74.4	49.1
1987	8	77.7	51.4
1986	41	76.8	47.1
1985	66	76.4	45.8
1984	91	73.7	45.5
1983	9	79.1	49.3
1982	77	76.8	44.1
1981	100	74.0	43.7
1980	31	79.0	46.0
1979	37	74.4	50.0
1978	20	79.3	47.2
1977	56	75.4	47.2
1976	26	78.6	47.1
1975	88	72.8	46.8
1974	22	78.7	47.7
1973	58	76.3	46.3
1972	53	71.5	51.2
1971	93	75.7	42.5
1970	92	72.1	46.4
1969	63	73.9	48.4
1968	83	74.1	46.1
1967	18	80.1	46.7
1966	44	78.1	45.7
1965	6	81.8	47.8
1964	14	79.0	48.2
1963	51	74.6	48.8
1962	61	73.2	49.1
1961	33	77.2	47.7
1960	40	76.7	47.4
1959	10	79.7	48.7
1958	7	81.2	48.0
1957	79	71.9	48.9
1956	98	73.3	44.7
1955	59	76.1	46.3
1954	65	77.2	45.1
1953	42	76.7	47.1
1952	38	75.4	48.9
1951	47	75.3	48.4
1950	32	75.1	49.8
1949	89	74.7	44.7
1948	71	75.5	46.1
1947	62	71.7	50.6
1946	101	73.2	43.9
1945	46	73.0	50.7
1944	19	77.3	49.3
1943	52	75.2	47.8
1942	39	76.8	47.5
1941	76	75.4	45.6
1940	35	76.4	48.0
1939	48	77.7	45.9
1938	75	73.9	47.5
1937	25	78.3	47.6
1936	23	80.3	46.0
1935	96	74.9	43.2
1934	67	77.6	44.5
1933	12	81.0	47.0
1932	102	72.4	44.7
1931	82	74.8	45.7
1930	73	76.9	44.6
1929	1	80.6	56.5
1928	94	73.9	44.3
1927	45	77.8	46.0
1926	21	79.4	47.2
1925	80	76.0	44.7
1924	103	70.7	44.9
1923	29	76.5	48.9
1922	97	71.8	46.2
1921	5	74.3	55.4
1920	95	70.3	47.8
1919	104	76.5	37.7
1918	105	67.7	45.8
1917	70	77.6	44.1
1916	106	67.0	43.7
1915	74	79.8	41.7
1914	90	74.0	45.2
1913	55	79.3	43.3

Weather Station Details

Years	Station	Coordinates
1893–2024	Petaluma Airport	location