Highest December Temperatures in Ketchum
A list of the highest temperatures ever recorded in the month of
December in
Ketchum, Idaho from 1937–2024.
What's the hottest it has ever gotten in Ketchum in December?
The hottest December temperature in Ketchum, Idaho history was 60 °F which has occurred twice, most recently on December 5, 1939.
| Rank |
Temperature |
Date |
| 1 |
60 °F |
December 5, 1939 |
| 1 |
60 °F |
December 4, 1939 |
| 3 |
59 °F |
December 1, 2008 |
| 4 |
56 °F |
December 3, 2021 |
| 4 |
56 °F |
December 17, 1943 |
| 6 |
55 °F |
December 16, 1962 |
| 6 |
55 °F |
December 2, 1939 |
| 8 |
54 °F |
December 1, 1972 |
| 8 |
54 °F |
December 7, 1939 |
| 8 |
54 °F |
December 6, 1939 |
| 8 |
54 °F |
December 3, 1939 |
| 12 |
53 °F |
December 1, 2002 |
| 12 |
53 °F |
December 2, 1969 |
| 12 |
53 °F |
December 2, 1959 |
| 15 |
52 °F |
December 1, 1999 |
| 15 |
52 °F |
December 2, 1972 |
| 15 |
52 °F |
December 27, 1947 |
| 18 |
51 °F |
December 5, 2021 |
| 18 |
51 °F |
December 2, 2008 |
| 18 |
51 °F |
December 7, 1938 |