Most Monthly Precipitation in Northwood History

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

What Was the Wettest Month in Northwood History?

According to NOAA records, the most precipitation that Northwood, Iowa has ever received in a single month is 15.2 inches which occurred in September 1965.

Northwood Most Rain in One Month

Rank	Precipitation	Month
1	15.2 inches	September 1965
2	12.9 inches	August 1990
3	12.5 inches	August 1980
4	12.2 inches	May 2004
5	12.1 inches	June 1914
6	11.9 inches	August 1928
7	11.6 inches	August 2007
8	11.6 inches	July 1990
9	11.3 inches	May 1957
10	11.2 inches	August 2021
11	11.0 inches	June 1954
12	10.8 inches	September 1923
13	10.8 inches	July 1999
14	10.3 inches	May 1902
15	10.2 inches	May 1918
16	10.0 inches	May 2013
17	9.9 inches	August 1940
18	9.9 inches	September 1946
19	9.8 inches	August 1981
20	9.6 inches	May 1906