Lowest Daily High Temperatures in Dillon History

This is a list of the coldest daily high temperatures ever recorded in Dillon, Montana history from 1895–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in Dillon

The lowest high temperature for a calendar day in Dillon, Montana history was -21 °F which happened on Thursday, February 2, 1989.

Rank	Temperature	Date
1	-21 °F	February 2, 1989
2	-20 °F	December 20, 1990
3	-18 °F	February 3, 1989
3	-18 °F	December 31, 1927
3	-18 °F	December 17, 1924
6	-17 °F	January 13, 2024
6	-17 °F	February 8, 1933
8	-16 °F	December 11, 1919
9	-15 °F	December 22, 1983
9	-15 °F	January 28, 1951
11	-14 °F	December 24, 1983
11	-14 °F	December 21, 1983
11	-14 °F	January 17, 1930
14	-13 °F	February 8, 1936
15	-12 °F	December 15, 2008
15	-12 °F	December 20, 1998
15	-12 °F	December 21, 1990
15	-12 °F	February 4, 1989
15	-12 °F	December 16, 1964
15	-12 °F	January 11, 1963
15	-12 °F	December 9, 1932
15	-12 °F	December 18, 1924
15	-12 °F	December 9, 1919