Lowest January Temperatures in Ketchum

A list of the lowest temperatures ever recorded in the month of January in Ketchum, Idaho from 1937–2024.
What's the coldest it has ever gotten in Ketchum in January?
The coldest January temperature in Ketchum, Idaho history was -42 °F which occurred on January 18, 1943.
Rank Temperature Date
1 -42 °F January 18, 1943
2 -38 °F January 31, 1956
3 -37 °F January 5, 1950
3 -37 °F January 5, 1942
3 -37 °F January 4, 1942
6 -35 °F January 22, 1962
6 -35 °F January 31, 1951
6 -35 °F January 30, 1951
9 -34 °F January 25, 1950
9 -34 °F January 25, 1949
11 -33 °F January 21, 1962
11 -33 °F January 19, 1960
13 -32 °F January 31, 1950
13 -32 °F January 26, 1950
15 -31 °F January 12, 1963
15 -31 °F January 29, 1950
15 -31 °F January 4, 1944
18 -30 °F January 18, 1960
18 -30 °F January 4, 1959
18 -30 °F January 1, 1952
18 -30 °F January 30, 1950
18 -30 °F January 4, 1950
18 -30 °F January 19, 1943
18 -30 °F January 6, 1942