Lowest Daily High Temperatures in Dubuque History

This is a list of the coldest daily high temperatures ever recorded in Dubuque, Iowa history from 1938–2024 based on data from the NOAA.
Record for the lowest daily high temperature in Dubuque
The lowest high temperature for a calendar day in Dubuque, Iowa history was -16 °F which happened on Wednesday, January 30, 2019.
Rank Temperature Date
1 -16 °F January 30, 2019
2 -15 °F January 18, 1994
3 -13 °F February 2, 1996
3 -13 °F December 23, 1983
3 -13 °F January 29, 1966
6 -12 °F January 6, 2014
6 -12 °F January 15, 1994
6 -12 °F December 24, 1983
9 -11 °F January 20, 1984
9 -11 °F January 15, 1972
11 -10 °F January 15, 2009
11 -10 °F February 3, 1996
11 -10 °F December 21, 1989
14 -9 °F January 2, 1979
15 -8 °F January 7, 1970
15 -8 °F December 31, 1968
15 -8 °F January 23, 1963
18 -7 °F February 1, 1996
18 -7 °F December 19, 1983
18 -7 °F January 28, 1966