Average October Temperature in Idaho Falls by Year

This page contains a list of the average monthly high and low temperatures in Idaho Falls, Idaho for the month of October each year between 1948 and 2023. It is based on NOAA data.

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What Was the Hottest October Ever in Idaho Falls?

1988 was the warmest October in the history of Idaho Falls, Idaho. The average daily high temperature was 69.8 °F, and the average low was 35.4 °F.

What Was the Coldest October Ever in Idaho Falls?

2019 was the coolest October in the history of Idaho Falls, Idaho. The average daily high temperature was 50.1 °F, and the average low was 22.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	14	60.8	35.7
2022	10	64.3	33.0
2021	17	60.1	35.4
2020	38	61.0	30.2
2019	71	50.1	22.6
2018	46	57.8	32.6
2017	66	55.6	27.7
2016	20	59.6	35.0
2015	2	64.7	38.5
2014	4	65.4	34.2
2012	47	59.2	31.1
2011	19	60.6	34.3
2010	8	64.5	34.4
2009	62	54.0	30.7
2008	42	60.3	30.5
2007	52	56.8	31.8
2006	58	55.7	30.4
2005	45	59.9	30.7
2004	28	58.1	34.4
2003	13	65.3	31.6
2002	70	54.5	23.0
2001	41	60.7	30.3
2000	48	58.6	31.7
1999	31	63.9	27.9
1998	34	60.5	31.1
1993	30	59.8	32.2
1992	16	63.5	32.6
1991	49	60.5	29.5
1990	39	59.9	31.3
1989	35	58.9	32.5
1988	1	69.8	35.4
1987	21	66.0	28.5
1986	40	60.5	30.7
1985	57	57.7	28.5
1984	63	54.1	30.2
1983	15	61.1	35.4
1982	67	53.4	29.6
1981	61	54.8	30.1
1980	54	59.4	28.5
1979	43	60.3	30.5
1978	27	63.7	29.1
1977	24	63.0	30.4
1976	59	58.1	27.7
1975	53	57.0	31.6
1974	23	60.6	32.9
1973	26	60.2	32.8
1972	32	58.1	33.6
1971	64	53.0	31.2
1970	68	55.0	27.7
1969	65	55.1	28.7
1968	29	60.4	32.1
1967	50	59.2	30.5
1966	55	59.7	27.8
1965	12	66.5	30.5
1964	33	62.2	29.5
1963	7	65.2	33.8
1962	6	65.2	34.0
1961	60	54.9	30.3
1960	44	59.3	31.4
1959	25	60.1	33.3
1958	9	66.4	31.9
1957	37	59.2	32.1
1956	36	58.2	33.3
1955	18	63.7	31.4
1954	51	61.0	28.5
1953	11	63.9	33.4
1952	3	69.8	31.7
1951	56	55.5	31.4
1950	5	64.3	35.3
1949	69	52.8	27.7
1948	22	64.1	30.2

Weather Station Details

Years	Station	Coordinates
1948–2024	Idaho Falls Fanning Field	location