Average January Temperature in Ketchum by Year

This page contains a list of the average monthly high and low temperatures in Ketchum, Idaho for the month of January each year between 1938 and 2024. It is based on NOAA data.

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What Was the Hottest January Ever in Ketchum?

2003 was the warmest January in the history of Ketchum, Idaho. The average daily high temperature was 37.2 °F, and the average low was 14.9 °F.

What Was the Coldest January Ever in Ketchum?

1949 was the coolest January in the history of Ketchum, Idaho. The average daily high temperature was 20.0 °F, and the average low was -16.2 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	8	32.8	11.5
2023	47	27.0	8.1
2022	58	27.7	3.6
2021	27	33.0	6.3
2020	25	30.9	8.6
2019	21	32.5	8.3
2018	3	36.9	13.8
2017	72	24.9	1.0
2016	36	30.4	7.5
2015	5	36.6	12.5
2014	2	38.3	13.4
2013	61	27.0	3.8
2012	17	33.2	8.0
2011	37	30.8	7.1
2010	6	33.4	13.1
2009	13	34.5	8.9
2008	71	25.2	0.7
2007	62	28.9	1.6
2006	18	31.5	9.6
2005	15	32.7	9.0
2004	44	29.2	6.2
2003	1	37.2	14.9
2002	45	28.9	6.4
2001	19	33.6	7.3
2000	22	31.2	9.2
1999	20	33.6	7.3
1998	10	34.6	9.4
1997	28	30.6	8.6
1996	40	31.1	5.9
1995	16	31.9	9.5
1994	11	36.3	7.4
1993	60	27.6	3.3
1992	35	34.6	3.4
1991	53	31.6	0.7
1990	23	33.0	7.1
1989	75	26.0	-1.3
1988	48	30.0	4.8
1987	51	29.8	2.9
1986	9	35.2	9.0
1985	59	29.3	1.8
1984	67	27.3	0.7
1983	12	32.9	10.5
1982	64	28.7	1.0
1981	7	35.7	9.1
1980	66	27.2	2.2
1979	83	22.5	-4.8
1978	14	33.0	9.7
1976	29	33.7	5.1
1975	56	29.7	2.2
1974	63	28.2	1.8
1972	42	29.5	6.1
1971	34	31.1	6.9
1970	24	32.5	7.2
1969	39	31.5	5.6
1968	52	30.0	2.3
1967	31	33.7	4.9
1966	65	29.2	0.1
1965	38	31.8	5.8
1964	76	27.7	-3.1
1963	54	30.6	1.7
1962	73	29.3	-3.6
1961	50	34.6	-1.8
1960	77	27.8	-3.6
1959	33	33.5	4.9
1958	57	32.0	-0.6
1957	84	26.1	-10.4
1956	49	31.2	3.4
1955	78	28.6	-4.7
1954	26	33.1	6.2
1953	4	37.4	11.9
1952	81	25.4	-6.1
1951	74	28.6	-3.8
1950	82	24.4	-6.2
1949	85	20.0	-16.2
1948	41	33.7	2.2
1947	79	28.1	-5.6
1946	69	30.8	-3.8
1945	46	36.7	-1.5
1944	68	34.7	-6.7
1943	80	28.4	-6.4
1942	70	31.3	-5.1
1941	55	32.9	-0.9
1940	30	36.1	2.5
1939	43	33.6	2.0
1938	32	35.7	2.9

Weather Station Details

Years	Station	Coordinates
1973–2024	Ketchum	location
1937–1972	Sun Valley	location