Highest December Temperatures in Ames

A list of the highest temperatures ever recorded in the month of December in Ames, Iowa from 1893–2024.
What's the hottest it has ever gotten in Ames in December?
The hottest December temperature in Ames, Iowa history was 74 °F which occurred on December 15, 2021.
Rank Temperature Date
1 74 °F December 15, 2021
2 69 °F December 4, 2017
3 68 °F December 3, 2012
3 68 °F December 8, 1946
5 66 °F December 5, 2001
5 66 °F December 4, 1998
5 66 °F December 28, 1984
5 66 °F December 1, 1962
5 66 °F December 6, 1939
10 65 °F December 12, 1968
10 65 °F December 17, 1939
12 64 °F December 1, 1998
13 63 °F December 18, 1976
13 63 °F December 5, 1975
13 63 °F December 2, 1973
13 63 °F December 3, 1962
13 63 °F December 16, 1939
18 62 °F December 10, 2020
18 62 °F December 5, 1998
18 62 °F December 29, 1984
18 62 °F December 11, 1965
18 62 °F December 4, 1946