Highest December Temperatures in Seattle
A list of the highest temperatures ever recorded in the month of
December in
Seattle, Washington from 1894–2024.
What's the hottest it has ever gotten in Seattle in December?
The hottest December temperature in Seattle, Washington history was 66 °F which occurred on December 10, 2014.
| Rank |
Temperature |
Date |
| 1 |
66 °F |
December 10, 2014 |
| 2 |
65 °F |
December 4, 1939 |
| 3 |
64 °F |
December 10, 1993 |
| 4 |
63 °F |
December 29, 2023 |
| 4 |
63 °F |
December 15, 1980 |
| 4 |
63 °F |
December 21, 1940 |
| 7 |
62 °F |
December 24, 2005 |
| 7 |
62 °F |
December 26, 1980 |
| 7 |
62 °F |
December 4, 1945 |
| 7 |
62 °F |
December 5, 1900 |
| 11 |
61 °F |
December 9, 2014 |
| 11 |
61 °F |
December 15, 1976 |
| 11 |
61 °F |
December 10, 1957 |
| 11 |
61 °F |
December 22, 1940 |
| 11 |
61 °F |
December 28, 1917 |
| 16 |
60 °F |
December 2, 2020 |
| 16 |
60 °F |
December 8, 2015 |
| 16 |
60 °F |
December 3, 2015 |
| 16 |
60 °F |
December 12, 1995 |
| 16 |
60 °F |
December 9, 1993 |
| 16 |
60 °F |
December 25, 1980 |
| 16 |
60 °F |
December 3, 1965 |
| 16 |
60 °F |
December 12, 1960 |
| 16 |
60 °F |
December 2, 1939 |
| 16 |
60 °F |
December 1, 1926 |
| 16 |
60 °F |
December 27, 1919 |
| 16 |
60 °F |
December 20, 1919 |