Lowest Daily High Temperatures in Yellowknife History

This is a list of the coldest daily high temperatures ever recorded in Yellowknife, Northwest Territories history from 1942–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in Yellowknife

The lowest high temperature for a calendar day in Yellowknife, Northwest Territories history was -43.9 °C which has happened 3 times, most recently on Saturday December 11, 1948.

Rank	Temperature	Date
1	-43.9 °C	December 11, 1948
1	-43.9 °C	December 9, 1948
1	-43.9 °C	January 31, 1947
4	-42.8 °C	January 4, 1954
4	-42.8 °C	January 1, 1954
4	-42.8 °C	February 1, 1947
7	-42.2 °C	January 5, 1966
7	-42.2 °C	January 2, 1954
7	-42.2 °C	February 2, 1947
10	-41.7 °C	January 28, 1971
10	-41.7 °C	January 14, 1952
10	-41.7 °C	January 1, 1950
10	-41.7 °C	December 10, 1948
14	-41.4 °C	January 12, 1994
15	-41.2 °C	December 11, 1984
16	-41.1 °C	January 4, 1966
16	-41.1 °C	January 3, 1966
16	-41.1 °C	January 5, 1954
16	-41.1 °C	February 3, 1947
16	-41.1 °C	December 14, 1946
16	-41.1 °C	December 13, 1946
16	-41.1 °C	January 13, 1946