Lowest December Temperatures in Idaho Falls
A list of the lowest temperatures ever recorded in the month of
December in
Idaho Falls, Idaho from 1948–2024.
What's the coldest it has ever gotten in Idaho Falls in December?
The coldest December temperature in Idaho Falls, Idaho history was -31 °F which occurred on December 5, 1972.
| Rank |
Temperature |
Date |
| 1 |
-31 °F |
December 5, 1972 |
| 2 |
-30 °F |
December 23, 1983 |
| 2 |
-30 °F |
December 10, 1972 |
| 4 |
-29 °F |
December 31, 1978 |
| 4 |
-29 °F |
December 9, 1972 |
| 6 |
-26 °F |
December 23, 1990 |
| 6 |
-26 °F |
December 11, 1972 |
| 8 |
-25 °F |
December 22, 1990 |
| 8 |
-25 °F |
December 22, 1983 |
| 10 |
-24 °F |
December 21, 1983 |
| 10 |
-24 °F |
December 30, 1978 |
| 12 |
-21 °F |
December 17, 2016 |
| 12 |
-21 °F |
December 21, 1998 |
| 12 |
-21 °F |
December 17, 1964 |
| 15 |
-20 °F |
December 8, 1972 |
| 15 |
-20 °F |
December 11, 1961 |
| 17 |
-19 °F |
December 20, 1998 |
| 17 |
-19 °F |
December 4, 1992 |
| 17 |
-19 °F |
December 30, 1990 |
| 17 |
-19 °F |
December 11, 1963 |