Yellowknife Average Temperature by Month

This page shows the average temperature in each month of the year in Yellowknife, Northwest Territories. It is based on NOAA data for the years 1991–2020.

Average precipitation by month

What's the Hottest Month in Yellowknife?

In Yellowknife, Northwest Territories, the warmest month is July, with an average daily high temperature of 21.7 °C and an average low of 12.8 °C.

What's the Coldest Month in Yellowknife?

In Yellowknife, Northwest Territories, the coolest month is January, with an average daily high temperature of -21.2 °C and an average low of -29.1 °C.

Month	Avg. High	Avg. Low
January	-21.2 °C	-29.1 °C
February	-17.9 °C	-27.2 °C
March	-10.7 °C	-22.6 °C
April	0.3 °C	-11.4 °C
May	10.4 °C	0.0 °C
June	18.6 °C	9.0 °C
July	21.7 °C	12.8 °C
August	18.4 °C	10.5 °C
September	11.1 °C	4.3 °C
October	1.5 °C	-3.6 °C
November	-9.0 °C	-16.2 °C
December	-17.4 °C	-25.0 °C
Year	0.6 °C	-8.1 °C

Weather Station Details

Years	Station	Coordinates
2013–2024	Yellowknife A	location
1942–2013	Yellowknife A	location