Most Monthly Precipitation in Fort Madison History

This is a list of the largest monthly precipitation totals ever recorded in Fort Madison, Iowa history from 1893–2024.

What Was the Wettest Month in Fort Madison History?

According to NOAA records, the most precipitation that Fort Madison, Iowa has ever received in a single month is 17.9 inches which occurred in September 1970.

Month to date though April 25, 2024: 2.2 inches

Fort Madison Most Rain in One Month

Rank	Precipitation	Month
1	17.9 inches	September 1970
2	14.1 inches	August 1970
3	13.2 inches	September 1911
4	12.9 inches	July 1993
5	12.2 inches	May 1996
6	11.8 inches	September 1961
7	11.4 inches	May 2013
8	11.0 inches	June 2010
9	10.8 inches	August 1959
10	10.5 inches	June 1993
11	10.3 inches	May 1916
12	10.1 inches	May 2001
13	10.1 inches	June 1998
14	10.1 inches	July 1961
15	9.9 inches	July 1915
16	9.4 inches	June 1990
17	9.3 inches	May 1908
18	9.1 inches	June 2015
19	9.1 inches	May 2019
20	9.1 inches	June 1905