Most Monthly Precipitation in Iron River History

This is a list of the largest monthly precipitation totals ever recorded in Iron River, Michigan history from 1896–2024.

What Was the Wettest Month in Iron River History?

According to NOAA records, the most precipitation that Iron River, Michigan has ever received in a single month is 11.4 inches which occurred in July 1999.

Iron River Most Rain in One Month

Rank	Precipitation	Month
1	11.4 inches	July 1999
2	10.5 inches	April 1903
3	10.4 inches	August 1966
4	10.4 inches	July 1901
5	10.2 inches	June 1953
6	9.8 inches	July 1911
7	9.5 inches	July 1903
8	9.2 inches	July 2020
9	9.2 inches	July 1952
10	9.1 inches	August 1972
11	9.0 inches	July 1909
12	8.9 inches	August 1959
13	8.8 inches	May 1911
14	8.7 inches	September 1916
15	8.7 inches	August 1912
16	8.6 inches	August 1941
17	8.6 inches	June 1946
18	8.4 inches	June 1981
19	8.3 inches	September 1907
20	8.2 inches	September 2010