Highest December Temperatures in Waterloo
A list of the highest temperatures ever recorded in the month of
December in
Waterloo, Iowa from 1895–2024.
What's the hottest it has ever gotten in Waterloo in December?
The hottest December temperature in Waterloo, Iowa history was 74 °F which occurred on December 15, 2021.
| Rank |
Temperature |
Date |
| 1 |
74 °F |
December 15, 2021 |
| 2 |
67 °F |
December 3, 2012 |
| 2 |
67 °F |
December 5, 2001 |
| 2 |
67 °F |
December 4, 1998 |
| 5 |
66 °F |
December 4, 2017 |
| 6 |
65 °F |
December 2, 1973 |
| 6 |
65 °F |
December 8, 1946 |
| 8 |
64 °F |
December 5, 1998 |
| 8 |
64 °F |
December 5, 1946 |
| 10 |
63 °F |
December 1, 1998 |
| 10 |
63 °F |
December 2, 1982 |
| 10 |
63 °F |
December 4, 1946 |
| 10 |
63 °F |
December 16, 1939 |
| 14 |
62 °F |
December 28, 1984 |
| 14 |
62 °F |
December 3, 1962 |
| 14 |
62 °F |
December 1, 1962 |
| 14 |
62 °F |
December 3, 1961 |
| 14 |
62 °F |
December 3, 1951 |
| 19 |
61 °F |
December 4, 2001 |
| 19 |
61 °F |
December 3, 1998 |
| 19 |
61 °F |
December 2, 1998 |
| 19 |
61 °F |
December 5, 1975 |
| 19 |
61 °F |
December 11, 1965 |
| 19 |
61 °F |
December 2, 1962 |
| 19 |
61 °F |
December 9, 1946 |