Earliest and Latest Days of 25° C in Yellowknife

This is a list of the earliest and latest days in the year with a high temperature of at least 25 °C in Yellowknife, Northwest Territories history. It is based on NOAA data from the years 1942–2024.

Also see:

Earliest 25 degree day in Yellowknife?

The earliest in the year that Yellowknife, Northwest Territories had a high temperature of at least 25 °C is May 13 which happened in 2023.

Latest 25 degree day in Yellowknife?

The latest in the year that Yellowknife, Northwest Territories had a high temperature of at least 25 °C is September 15 which happened in 1967.

Earliest Days ≥ 25 °C

Date	Year	Temperature
May 13	2023	25.0 °C
May 21	2015	26.3 °C
May 29	1990	25.1 °C
May 29	1967	25.6 °C
May 30	2017	25.3 °C
May 30	1948	25.6 °C
May 31	1948	26.1 °C
June 2	1981	25.4 °C
June 2	1961	27.2 °C
June 3	2010	25.4 °C
June 3	1971	25.6 °C
June 4	2023	26.0 °C
June 4	1970	27.2 °C
June 4	1963	25.0 °C
June 5	2001	25.2 °C
June 5	1994	26.1 °C
June 6	2015	25.8 °C
June 6	2001	27.0 °C
June 7	2012	26.8 °C
June 7	2001	28.4 °C
June 7	1998	25.0 °C
June 7	1994	26.5 °C
June 7	1944	27.8 °C

Latest Days ≥ 25 °C

Date	Year	Temperature
September 15	1967	25.6 °C
September 6	1951	26.1 °C
August 30	2009	25.3 °C
August 29	2009	25.1 °C
August 29	1946	26.1 °C
August 23	1981	26.2 °C
August 23	1946	25.6 °C
August 22	1972	27.2 °C
August 21	1981	26.2 °C
August 21	1972	26.1 °C
August 21	1967	25.0 °C
August 20	2012	25.1 °C
August 20	1999	25.6 °C
August 20	1990	25.1 °C
August 20	1967	25.0 °C
August 19	2022	25.9 °C
August 19	1988	25.6 °C
August 18	2022	28.9 °C
August 18	1994	27.4 °C
August 18	1993	25.2 °C
August 18	1991	28.1 °C
August 18	1972	27.2 °C
August 18	1957	26.1 °C