Highest December Temperatures in Idaho Falls
A list of the highest temperatures ever recorded in the month of
December in
Idaho Falls, Idaho from 1948–2024.
What's the hottest it has ever gotten in Idaho Falls in December?
The hottest December temperature in Idaho Falls, Idaho history was 58 °F which has occurred twice, most recently on December 12, 2014.
| Rank |
Temperature |
Date |
| 1 |
58 °F |
December 12, 2014 |
| 1 |
58 °F |
December 11, 2014 |
| 3 |
57 °F |
December 9, 2015 |
| 4 |
56 °F |
December 3, 1987 |
| 5 |
55 °F |
December 6, 1987 |
| 6 |
54 °F |
December 4, 2021 |
| 6 |
54 °F |
December 2, 2021 |
| 6 |
54 °F |
December 1, 2012 |
| 6 |
54 °F |
December 3, 1998 |
| 6 |
54 °F |
December 3, 1958 |
| 11 |
53 °F |
December 6, 2014 |
| 11 |
53 °F |
December 4, 2007 |
| 11 |
53 °F |
December 27, 1980 |
| 11 |
53 °F |
December 26, 1980 |
| 11 |
53 °F |
December 2, 1959 |
| 16 |
52 °F |
December 2, 2012 |
| 16 |
52 °F |
December 30, 2011 |
| 16 |
52 °F |
December 10, 1993 |
| 19 |
51 °F |
December 5, 2021 |
| 19 |
51 °F |
December 4, 2014 |
| 19 |
51 °F |
December 1, 2003 |
| 19 |
51 °F |
December 14, 2002 |
| 19 |
51 °F |
December 6, 1981 |
| 19 |
51 °F |
December 3, 1980 |
| 19 |
51 °F |
December 1, 1960 |
| 19 |
51 °F |
December 23, 1955 |
| 19 |
51 °F |
December 22, 1955 |