Most Monthly Precipitation in Calgary History

This is a list of the largest monthly precipitation totals ever recorded in Calgary, Alberta history from 1881–2024.
What Was the Wettest Month in Calgary History?
According to NOAA records, the most precipitation that Calgary, Alberta has ever received in a single month is 24.8 cm which occurred in June 2005.
Month to date though April 19, 2024: 3.8 cm
Calgary Most Rain in One Month
Rank Precipitation Month
1 24.8 cm June 2005
2 24.5 cm July 1927
3 23.9 cm August 1899
4 23.8 cm August 1954
5 23.3 cm September 1926
6 22.6 cm May 1902
7 22.4 cm June 1902
8 21.5 cm June 1928
9 20.6 cm July 2016
10 20.3 cm June 1939
11 19.6 cm June 1923
12 19.6 cm August 1903
13 18.4 cm June 1908
14 17.8 cm June 1901
15 17.7 cm June 1992
16 17.7 cm May 1906
17 17.2 cm June 2020
18 17.0 cm June 1965
19 16.6 cm June 2007
20 16.6 cm August 1951
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