Most Monthly Precipitation in Cincinnati History

This is a list of the largest monthly precipitation totals ever recorded in Cincinnati, Ohio history from 1916–2024.

What Was the Wettest Month in Cincinnati History?

According to NOAA records, the most precipitation that Cincinnati, Ohio has ever received in a single month is 13.7 inches which occurred in January 1937.

Month to date though April 22, 2024: 4.2 inches

Cincinnati Most Rain in One Month

Rank	Precipitation	Month
1	13.7 inches	January 1937
2	13.5 inches	April 2011
3	12.2 inches	March 1964
4	10.9 inches	March 1945
5	10.0 inches	July 1926
6	9.9 inches	March 1963
7	9.8 inches	April 1998
8	9.7 inches	March 2008
9	9.6 inches	June 1998
10	9.5 inches	October 1919
11	9.5 inches	May 1968
12	9.4 inches	January 1950
13	9.4 inches	May 1990
14	9.2 inches	May 1996
15	9.1 inches	July 1925
16	9.1 inches	May 2022
17	9.1 inches	June 1928
18	9.0 inches	January 1949
19	8.9 inches	May 1983
20	8.9 inches	June 2011