Squamish Average Rainfall by Month

This page shows the average precipitation in each month of the year in Squamish, British Columbia. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Squamish?
In Squamish, November has the greatest precipitation of any month. On average, Squamish gets 40.1 cm of precipitation in November.
November is also the month where rain is most common. 72.2% of days in November will have at least some rain.
What's the Driest Month in Squamish?
In Squamish, July has the least precipitation of any month. On average, Squamish gets 4.49 cm of precipitation in July.
August is the month with the lowest chance of precipitation. 25.1% of days in August will have measurable rain.
Month Precipitation % Chance
January 36.41 cm 64.9
February 19.67 cm 57.0
March 24.61 cm 64.5
April 14.37 cm 55.5
May 8.22 cm 42.9
June 6.61 cm 41.6
July 4.49 cm 26.7
August 5.66 cm 25.1
September 12.45 cm 39.4
October 26.79 cm 60.2
November 40.09 cm 72.2
December 31.86 cm 67.1
Year 226.08 cm 51.1
Weather Station Details
Years Station Coordinates
1986–2024 Squamish Auto location
1959–1985 Squamish location
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