Yellowknife Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Yellowknife, Northwest Territories. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Yellowknife?
In Yellowknife, August has the greatest precipitation of any month. On average, Yellowknife gets 4.4 cm of precipitation in August.
However, November is the month with the greatest chance of precipitation. 47.1% of days in November will have at least some rain or snow.
What's the Driest Month in Yellowknife?
In Yellowknife, April has the least precipitation of any month. On average, Yellowknife gets 1.11 cm of precipitation in April.
April is also the month where rain is least common. 15.3% of days in April will have measurable rain or snow.
Month Precipitation % Chance
January 1.72 cm 38.6
February 1.11 cm 34.6
March 1.29 cm 26.2
April 1.11 cm 15.3
May 1.47 cm 17.5
June 2.97 cm 23.5
July 3.78 cm 29.3
August 4.41 cm 36.5
September 3.75 cm 37.2
October 2.57 cm 41.9
November 2.37 cm 47.1
December 1.57 cm 39.0
Year 28.56 cm 32.5
Weather Station Details
Years Station Coordinates
2013–2024 Yellowknife A location
1942–2013 Yellowknife A location