Lowest October Temperatures in Ketchum
A list of the lowest temperatures ever recorded in the month of
October in
Ketchum, Idaho from 1937–2024.
What's the coldest it has ever gotten in Ketchum in October?
The coldest October temperature in Ketchum, Idaho history was -3 °F which occurred on October 23, 1943.
| Rank |
Temperature |
Date |
| 1 |
-3 °F |
October 23, 1943 |
| 2 |
-2 °F |
October 31, 1991 |
| 2 |
-2 °F |
October 30, 1991 |
| 4 |
-1 °F |
October 31, 2019 |
| 4 |
-1 °F |
October 30, 2019 |
| 4 |
-1 °F |
October 31, 2002 |
| 7 |
0 °F |
October 27, 1970 |
| 8 |
3 °F |
October 26, 1970 |
| 8 |
3 °F |
October 25, 1970 |
| 8 |
3 °F |
October 29, 1956 |
| 11 |
4 °F |
October 20, 1943 |
| 12 |
5 °F |
October 29, 1971 |
| 12 |
5 °F |
October 20, 1968 |
| 12 |
5 °F |
October 31, 1958 |
| 12 |
5 °F |
October 28, 1956 |
| 12 |
5 °F |
October 29, 1942 |
| 12 |
5 °F |
October 28, 1942 |
| 18 |
6 °F |
October 21, 1996 |
| 18 |
6 °F |
October 17, 1996 |
| 18 |
6 °F |
October 29, 1991 |
| 18 |
6 °F |
October 28, 1970 |
| 18 |
6 °F |
October 14, 1954 |
| 18 |
6 °F |
October 31, 1951 |