Most Monthly Precipitation in Spirit Lake History

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

What Was the Wettest Month in Spirit Lake History?

According to NOAA records, the most precipitation that Spirit Lake, Iowa has ever received in a single month is 13.0 inches which occurred in May 1903.

Spirit Lake Most Rain in One Month

Rank	Precipitation	Month
1	13.0 inches	May 1903
2	11.6 inches	September 2004
3	10.6 inches	August 2017
4	10.4 inches	August 2007
5	10.4 inches	June 1899
6	10.3 inches	June 2014
7	9.4 inches	July 2011
8	9.2 inches	June 1943
9	9.2 inches	June 2018
10	8.8 inches	September 1900
11	8.4 inches	June 1953
12	8.3 inches	September 2018
13	8.1 inches	June 1954
14	8.0 inches	September 1901
15	8.0 inches	May 2019
16	7.6 inches	August 2002
17	7.6 inches	September 2010
18	7.5 inches	July 2010
19	7.4 inches	September 2005
20	7.1 inches	September 2016