Most Monthly Precipitation in Webster City History

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

What Was the Wettest Month in Webster City History?

According to NOAA records, the most precipitation that Webster City, Iowa has ever received in a single month is 14.9 inches which occurred in August 1993.

Webster City Most Rain in One Month

Rank	Precipitation	Month
1	14.9 inches	August 1993
2	14.1 inches	July 2010
3	13.1 inches	June 1998
4	12.9 inches	August 2007
5	12.5 inches	July 1993
6	11.6 inches	June 2010
7	11.5 inches	September 1965
8	11.2 inches	June 1990
9	11.1 inches	June 2008
10	10.4 inches	July 1955
11	10.1 inches	June 1993
12	9.9 inches	September 1938
13	9.8 inches	August 2015
14	9.6 inches	August 1977
15	9.5 inches	June 2014
16	9.5 inches	June 1935
17	9.4 inches	June 1918
18	9.4 inches	August 1954
19	9.3 inches	May 2004
20	9.3 inches	August 2018