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Ketchum January Weather

Averages and records for weather in Ketchum, Idaho in the month of January.

Typical Ketchum January Weather 1991–2020
Average daily high	32.0 °F
Average daily low	7.5 °F
Average monthly precipitation	2.1 inches
Average monthly snow	27.1 inches
Daily chance of precipitation	30.6%
Daily chance of snow	27.5%

Ketchum January Weather Records 1937–2024
Highest temperature	54 °F	January 27, 2015
Lowest temperature	-42 °F	January 18, 1943
Highest daily low	35 °F	January 8, 1962
Lowest daily high	2 °F	January 12, 1963
Hottest average high temperature	38.3 °F	2014
Coldest average high temperature	20.0 °F	1949
Most daily precipitation	1.8 inches	January 20, 1943
Most monthly precipitation	7.9 inches	1969
Most daily snow	22.0 inches	January 28, 2021
Most monthly snow	85.0 inches	1952

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
January 1	30.4	7.5	43	-30
January 2	30.5	7.5	42	-25
January 3	30.5	7.5	44	-26
January 4	30.6	7.4	46	-37
January 5	30.7	7.4	45	-37
January 6	30.9	7.5	50	-30
January 7	31.1	7.6	50	-26
January 8	31.2	7.6	50	-20
January 9	31.3	7.6	45	-24
January 10	31.3	7.7	45	-25
January 11	31.5	7.7	47	-18
January 12	31.6	7.7	46	-31
January 13	31.7	7.7	45	-20
January 14	31.7	7.6	47	-20
January 15	31.9	7.6	47	-26
January 16	32.0	7.7	45	-26
January 17	32.2	7.7	50	-26
January 18	32.3	7.7	50	-42
January 19	32.4	7.6	48	-33
January 20	32.5	7.7	47	-26
January 21	32.6	7.8	50	-33
January 22	32.8	7.9	49	-35
January 23	32.9	8.0	45	-25
January 24	33.0	8.0	45	-28
January 25	33.2	8.1	47	-34
January 26	33.4	8.2	51	-32
January 27	33.5	8.3	54	-27
January 28	33.7	8.4	48	-26
January 29	33.8	8.4	52	-31
January 30	34.0	8.6	51	-35
January 31	34.1	8.9	50	-38

Weather Station Details

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