Sioux Lookout Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Sioux Lookout, Ontario. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Sioux Lookout?
In Sioux Lookout, June has the greatest precipitation of any month. On average, Sioux Lookout gets 10.9 cm of precipitation in June.
However, November is the month with the greatest chance of precipitation. 54.7% of days in November will have at least some rain or snow.
What's the Driest Month in Sioux Lookout?
In Sioux Lookout, February has the least precipitation of any month. On average, Sioux Lookout gets 2.46 cm of precipitation in February.
April is the month with the lowest chance of precipitation. 30.9% of days in April will have measurable rain or snow.
Month Precipitation % Chance
January 3.61 cm 50.9
February 2.46 cm 42.4
March 3.33 cm 35.6
April 4.47 cm 30.9
May 9.23 cm 43.7
June 10.88 cm 44.9
July 10.53 cm 45.0
August 8.87 cm 43.4
September 9.87 cm 47.9
October 7.51 cm 49.3
November 5.48 cm 54.7
December 3.82 cm 48.2
Year 80.28 cm 44.8
Weather Station Details
Years Station Coordinates
1938–2024 Sioux Lookout A location
1933–1938 Sioux Lookout location
1914–1932 Sioux Lookout location