Average Temperature in Ketchum by Year

This page contains a list of the average yearly high and low temperatures in Ketchum, Idaho for each year between 1938 and 2021. It is based on NOAA data.

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What Was the Hottest Year Ever in Ketchum?

2015 was the warmest year in the history of Ketchum, Idaho. The average daily high temperature was 56.6 °F, and the average low was 30.2 °F.

What Was the Coldest Year Ever in Ketchum?

1944 was the coolest year in the history of Ketchum, Idaho. The average daily high temperature was 55.4 °F, and the average low was 14.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2021	16	55.4	26.2
2020	18	54.9	26.1
2019	46	51.8	25.6
2018	20	54.1	26.9
2017	11	53.9	28.1
2016	13	54.7	27.2
2015	1	56.6	30.2
2014	2	55.4	30.3
2013	6	54.7	27.6
2012	10	55.4	26.6
2010	43	52.2	25.7
2008	38	53.8	24.3
2007	4	55.9	27.5
2006	21	54.2	26.6
2004	12	54.7	27.2
2003	3	56.7	28.0
2002	19	55.1	25.9
2001	9	55.8	26.3
2000	5	55.7	26.8
1998	14	54.7	27.1
1997	15	54.6	27.0
1996	25	55.2	24.9
1995	28	54.3	25.2
1994	24	56.6	23.6
1993	66	52.4	21.8
1992	23	57.6	22.7
1991	52	55.2	21.1
1990	47	55.5	21.8
1989	41	54.6	23.3
1988	22	56.6	24.1
1987	8	57.5	24.7
1986	7	56.3	25.9
1985	62	52.8	21.7
1984	60	52.0	22.6
1983	45	53.1	24.3
1982	63	51.9	22.5
1981	17	56.0	25.2
1980	37	54.4	23.8
1979	40	54.5	23.3
1978	36	54.0	24.5
1975	64	52.4	22.0
1972	27	55.7	23.9
1971	50	54.1	22.9
1970	34	55.3	23.3
1969	30	56.6	22.6
1968	35	55.5	23.1
1967	31	55.4	23.4
1966	51	57.2	19.3
1965	59	54.7	20.1
1964	73	53.9	18.0
1963	33	56.3	22.5
1962	56	56.3	19.8
1961	49	56.5	20.6
1960	68	55.8	17.7
1959	55	56.8	19.3
1958	39	57.1	20.9
1957	61	55.2	19.3
1956	67	55.5	18.1
1955	69	54.1	19.2
1954	44	56.9	20.5
1953	32	57.3	21.6
1952	71	55.5	17.4
1951	72	54.0	18.5
1950	53	55.5	20.6
1949	54	56.6	19.6
1948	70	54.4	18.6
1947	42	57.1	20.8
1946	57	55.6	20.2
1945	65	55.0	19.4
1944	76	55.4	14.6
1943	74	56.5	14.8
1942	75	55.7	14.7
1941	58	55.5	20.1
1940	29	57.2	22.0
1939	26	58.0	21.6
1938	48	55.1	22.2

Weather Station Details

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