Average January 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 January each year between 1949 and 2024. It is based on NOAA data.

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What Was the Hottest January Ever in Idaho Falls?

1953 was the warmest January in the history of Idaho Falls, Idaho. The average daily high temperature was 39.4 °F, and the average low was 26.1 °F.

What Was the Coldest January Ever in Idaho Falls?

1949 was the coolest January in the history of Idaho Falls, Idaho. The average daily high temperature was 15.1 °F, and the average low was -6.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	17	32.8	16.9
2023	44	25.2	9.4
2022	49	24.4	8.5
2021	26	29.3	13.7
2020	22	30.5	15.8
2019	36	27.8	9.8
2018	2	36.7	21.7
2017	64	20.8	3.7
2016	27	28.0	13.6
2015	15	31.6	18.9
2014	20	32.7	14.7
2013	66	20.9	2.4
2012	6	36.1	18.2
2011	48	24.4	9.4
2010	30	30.2	10.5
2009	34	27.6	11.1
2008	54	24.2	4.5
2007	61	23.8	1.9
2006	14	32.6	18.1
2005	28	28.4	13.1
2004	50	23.9	7.5
2003	3	35.6	22.2
2002	42	24.8	10.1
2001	52	25.5	5.4
2000	24	29.7	16.0
1999	12	32.4	19.7
1994	5	34.9	19.9
1993	55	24.6	4.0
1992	25	33.8	11.3
1991	56	23.5	4.2
1990	8	34.7	18.9
1989	60	24.0	2.7
1988	43	26.5	8.3
1987	46	26.8	7.2
1986	33	28.7	10.3
1985	70	16.7	0.2
1984	53	21.4	9.2
1983	16	31.4	19.1
1982	47	24.7	9.2
1981	4	37.0	18.0
1980	32	26.4	13.5
1979	71	15.7	-2.1
1978	19	30.3	18.3
1977	69	18.9	0.2
1976	40	25.9	9.9
1975	59	22.5	4.1
1974	41	24.6	11.1
1973	58	21.9	5.2
1972	38	25.1	11.2
1971	23	29.3	16.9
1970	13	32.1	19.4
1969	10	32.1	20.5
1968	57	24.5	3.0
1967	11	33.2	19.2
1966	29	29.1	12.3
1965	18	31.0	17.9
1964	67	21.0	2.2
1963	65	22.2	2.2
1962	68	19.5	1.0
1961	37	30.9	6.0
1960	51	24.2	7.0
1959	21	32.2	14.9
1958	31	29.8	10.2
1957	63	24.2	0.3
1956	9	34.8	18.5
1955	62	21.7	3.2
1954	7	34.8	19.4
1953	1	39.4	26.1
1952	45	25.9	8.3
1951	35	27.7	10.0
1950	39	26.5	9.7
1949	72	15.1	-6.6

Weather Station Details

Years	Station	Coordinates
1948–2024	Idaho Falls Fanning Field	location