Lowest December Temperatures in Casper
A list of the lowest temperatures ever recorded in the month of
December in
Casper, Wyoming from 1900–2024.
What's the coldest it has ever gotten in Casper in December?
The coldest December temperature in Casper, Wyoming history was -42 °F which occurred on December 22, 2022.
| Rank |
Temperature |
Date |
| 1 |
-42 °F |
December 22, 2022 |
| 2 |
-41 °F |
December 21, 1990 |
| 3 |
-39 °F |
December 23, 1983 |
| 4 |
-37 °F |
December 21, 1983 |
| 5 |
-36 °F |
December 20, 1990 |
| 6 |
-35 °F |
December 21, 2022 |
| 6 |
-35 °F |
December 31, 1923 |
| 8 |
-34 °F |
December 31, 1978 |
| 9 |
-33 °F |
December 8, 2016 |
| 9 |
-33 °F |
December 24, 1983 |
| 9 |
-33 °F |
December 22, 1983 |
| 12 |
-32 °F |
December 20, 1983 |
| 12 |
-32 °F |
December 18, 1924 |
| 14 |
-31 °F |
December 17, 1964 |
| 14 |
-31 °F |
December 16, 1964 |
| 16 |
-30 °F |
December 17, 2016 |
| 17 |
-29 °F |
December 8, 2009 |
| 17 |
-29 °F |
December 30, 1978 |
| 17 |
-29 °F |
December 14, 1901 |
| 20 |
-28 °F |
December 22, 1990 |
| 20 |
-28 °F |
December 22, 1989 |
| 20 |
-28 °F |
December 30, 1968 |