Port Alberni Average Rainfall by Month

This page shows the average precipitation in each month of the year in Port Alberni, British Columbia. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Port Alberni?
In Port Alberni, January has the greatest precipitation of any month. On average, Port Alberni gets 32.4 cm of precipitation in January.
January is also the month where rain is most common. 69.4% of days in January will have at least some rain.
What's the Driest Month in Port Alberni?
In Port Alberni, July has the least precipitation of any month. On average, Port Alberni gets 2.22 cm of precipitation in July.
July is also the month where rain is least common. 19.5% of days in July will have measurable rain.
Month Precipitation % Chance
January 32.39 cm 69.4
February 18.54 cm 62.2
March 19.30 cm 63.8
April 11.37 cm 53.4
May 5.34 cm 37.4
June 4.05 cm 37.4
July 2.22 cm 19.5
August 4.22 cm 22.5
September 7.54 cm 37.2
October 18.52 cm 56.1
November 31.47 cm 67.9
December 29.89 cm 68.2
Year 178.90 cm 49.0
Weather Station Details
Years Station Coordinates
1996–2024 Port Alberni (AUT) location
1970–1995 Port Alberni A location
1960–1969 Port Alberni Redford location
1917–1959 Port Alberni location