Kingston Average Rainfall by Month

This page shows the average precipitation in each month of the year in Kingston, Ontario. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Kingston?
In Kingston, October has the greatest precipitation of any month. On average, Kingston gets 9.2 cm of precipitation in October.
However, January is the month with the greatest chance of precipitation. 51.9% of days in January will have at least some rain.
What's the Driest Month in Kingston?
In Kingston, February has the least precipitation of any month. On average, Kingston gets 5.25 cm of precipitation in February.
July is the month with the lowest chance of precipitation. 33.2% of days in July will have measurable rain.
Month Precipitation % Chance
January 7.73 cm 51.9
February 5.25 cm 46.4
March 6.55 cm 42.0
April 8.56 cm 44.1
May 7.28 cm 39.4
June 8.17 cm 38.3
July 6.82 cm 33.2
August 7.39 cm 34.4
September 8.76 cm 35.0
October 9.22 cm 45.4
November 7.71 cm 43.8
December 7.49 cm 47.5
Year 89.45 cm 41.9
Weather Station Details
Years Station Coordinates
2008–2024 Kingston Climate location
1997–2007 Kingston Pumping Station location
1957–1996 Kingston A location
1872–1956 Kingston Queens University location
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