Fort Smith Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Fort Smith, Northwest Territories. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Fort Smith?
In Fort Smith, July has the greatest precipitation of any month. On average, Fort Smith gets 5.9 cm of precipitation in July.
However, November is the month with the greatest chance of precipitation. 44.7% of days in November will have at least some rain or snow.
What's the Driest Month in Fort Smith?
In Fort Smith, February has the least precipitation of any month. On average, Fort Smith gets 1.07 cm of precipitation in February.
April is the month with the lowest chance of precipitation. 17.9% of days in April will have measurable rain or snow.
Month Precipitation % Chance
January 1.69 cm 35.8
February 1.07 cm 29.7
March 1.36 cm 24.9
April 1.43 cm 17.9
May 2.58 cm 26.1
June 4.87 cm 36.1
July 5.91 cm 41.4
August 5.57 cm 39.7
September 4.36 cm 41.0
October 3.09 cm 43.7
November 2.33 cm 44.7
December 1.47 cm 36.2
Year 35.74 cm 34.8
Weather Station Details
Years Station Coordinates
1942–2024 Fort Smith A location