Lowest December Temperatures in Ketchum
A list of the lowest temperatures ever recorded in the month of
December in
Ketchum, Idaho from 1937–2024.
What's the coldest it has ever gotten in Ketchum in December?
The coldest December temperature in Ketchum, Idaho history was -37 °F which has occurred twice, most recently on December 22, 1990.
| Rank |
Temperature |
Date |
| 1 |
-37 °F |
December 22, 1990 |
| 1 |
-37 °F |
December 17, 1964 |
| 3 |
-36 °F |
December 23, 1990 |
| 4 |
-33 °F |
December 23, 1983 |
| 5 |
-32 °F |
December 11, 1961 |
| 6 |
-30 °F |
December 24, 1990 |
| 6 |
-30 °F |
December 22, 1948 |
| 8 |
-28 °F |
December 8, 1951 |
| 8 |
-28 °F |
December 26, 1942 |
| 10 |
-27 °F |
December 10, 1961 |
| 11 |
-26 °F |
December 30, 1990 |
| 11 |
-26 °F |
December 31, 1978 |
| 11 |
-26 °F |
December 25, 1952 |
| 11 |
-26 °F |
December 24, 1952 |
| 15 |
-25 °F |
December 25, 1990 |
| 15 |
-25 °F |
December 21, 1990 |
| 15 |
-25 °F |
December 30, 1978 |
| 15 |
-25 °F |
December 18, 1964 |
| 15 |
-25 °F |
December 25, 1951 |
| 20 |
-24 °F |
December 9, 1972 |
| 20 |
-24 °F |
December 8, 1956 |
| 20 |
-24 °F |
December 26, 1952 |
| 20 |
-24 °F |
December 9, 1945 |
| 20 |
-24 °F |
December 27, 1941 |