Lowest December Temperatures in Rexburg

A list of the lowest temperatures ever recorded in the month of December in Rexburg, Idaho from 1946–2024.
What's the coldest it has ever gotten in Rexburg in December?
The coldest December temperature in Rexburg, Idaho history was -31 °F which has occurred twice, most recently on December 22, 1990.
Rank Temperature Date
1 -31 °F December 22, 1990
1 -31 °F December 23, 1983
3 -30 °F December 23, 1990
3 -30 °F December 24, 1983
5 -29 °F December 24, 1990
6 -23 °F December 22, 1983
7 -22 °F December 21, 1990
8 -21 °F December 31, 1978
9 -20 °F December 19, 1998
10 -19 °F December 30, 1990
11 -18 °F December 21, 1998
11 -18 °F December 4, 1992
11 -18 °F December 21, 1983
11 -18 °F December 30, 1978
15 -17 °F December 18, 2016
15 -17 °F December 17, 2016
15 -17 °F December 20, 1998
15 -17 °F December 27, 1988
15 -17 °F December 29, 1978
20 -16 °F December 27, 2015
20 -16 °F December 31, 2014
20 -16 °F December 5, 1992