Lowest Temperatures in Boise History

This is a list of the 20 lowest temperatures ever recorded in Boise, Idaho history from 1911–2024 based on data from the NOAA.
What's the coldest it has ever gotten in Boise?
The coldest temperature in Boise, Idaho history is -30 °F which happened on Thursday, December 25, 1924.
Rank Temperature Date
1 -30 °F December 25, 1924
2 -27 °F December 26, 1924
3 -26 °F January 23, 1930
3 -26 °F January 22, 1930
5 -25 °F December 22, 1990
6 -24 °F January 21, 1930
6 -24 °F December 24, 1924
8 -23 °F December 21, 1990
8 -23 °F December 10, 1972
8 -23 °F January 21, 1937
11 -22 °F December 11, 1972
12 -21 °F December 9, 1972
12 -21 °F January 20, 1937
12 -21 °F January 8, 1937
15 -20 °F December 25, 1990
15 -20 °F December 24, 1990
17 -19 °F December 8, 1972
18 -18 °F December 23, 1990
18 -18 °F December 23, 1983
18 -18 °F January 7, 1937
18 -18 °F January 19, 1922
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location