Yellowknife Consecutive 20 Degree Days

This page shows the record for the most days in a row in Yellowknife, Northwest Territories where the high temperature was at least 20 °C, from 1942–2024.

Also see:

Years with most 20° days
Earliest / latest 20° days

Longest Streak: 27 Days

Between Jul 11 – Aug 6, 2023, the daily high temperature in Yellowknife was always at least 20 °C – a span of 27 days.

# Days	When
27	Jul 11 – Aug 6, 2023
25	Jul 10 – Aug 3, 1973
24	Jun 28 – Jul 21, 1956
23	Jun 24 – Jul 16, 2017
22	Jul 5–26, 2012
20	Jul 23 – Aug 11, 2015
20	Aug 2–21, 1951
19	Jul 25 – Aug 12, 2020
19	Jul 18 – Aug 5, 2000
19	Jun 26 – Jul 14, 1979
19	Jul 1–19, 1966
18	Jul 16 – Aug 2, 2003
18	Jun 26 – Jul 13, 2000
18	Jul 19 – Aug 5, 1994
18	Jul 11–28, 1991
18	Jul 31 – Aug 17, 1989
18	Jul 4–21, 1942
17	Jul 16 – Aug 1, 2008
17	Jul 30 – Aug 15, 1991
17	Jul 16 – Aug 1, 1964