Lowest December Temperatures in Seattle
A list of the lowest temperatures ever recorded in the month of
December in
Seattle, Washington from 1894–2024.
What's the coldest it has ever gotten in Seattle in December?
The coldest December temperature in Seattle, Washington history was 6 °F which occurred on December 30, 1968.
| Rank |
Temperature |
Date |
| 1 |
6 °F |
December 30, 1968 |
| 2 |
8 °F |
December 29, 1968 |
| 3 |
9 °F |
December 23, 1983 |
| 4 |
10 °F |
December 16, 1964 |
| 5 |
11 °F |
December 17, 1964 |
| 6 |
12 °F |
December 29, 1990 |
| 6 |
12 °F |
December 28, 1990 |
| 6 |
12 °F |
December 21, 1990 |
| 6 |
12 °F |
December 18, 1924 |
| 6 |
12 °F |
December 12, 1919 |
| 11 |
13 °F |
December 31, 1978 |
| 11 |
13 °F |
December 8, 1972 |
| 11 |
13 °F |
December 31, 1968 |
| 11 |
13 °F |
December 28, 1968 |
| 15 |
14 °F |
December 20, 2008 |
| 15 |
14 °F |
December 20, 1990 |
| 15 |
14 °F |
December 22, 1983 |
| 15 |
14 °F |
December 30, 1978 |
| 15 |
14 °F |
December 17, 1924 |
| 20 |
15 °F |
December 20, 1998 |
| 20 |
15 °F |
December 22, 1990 |
| 20 |
15 °F |
December 19, 1924 |
| 20 |
15 °F |
December 16, 1924 |