Most Monthly Precipitation in Hillsboro History

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

What Was the Wettest Month in Hillsboro History?

According to NOAA records, the most precipitation that Hillsboro, Ohio has ever received in a single month is 14.7 inches which occurred in January 1937.

Hillsboro Most Rain in One Month

Rank	Precipitation	Month
1	14.7 inches	January 1937
2	12.5 inches	March 1964
3	12.2 inches	June 2008
4	11.8 inches	May 1990
5	11.6 inches	April 2011
6	11.5 inches	March 1963
7	11.3 inches	January 1950
8	11.1 inches	March 1945
9	10.9 inches	November 1985
10	10.6 inches	May 1995
11	10.3 inches	August 1926
12	10.1 inches	May 1968
13	9.9 inches	August 1915
14	9.9 inches	July 1965
15	9.8 inches	July 1954
16	9.8 inches	May 1933
17	9.7 inches	December 2007
18	9.4 inches	May 1996
19	9.3 inches	July 1912
20	9.1 inches	June 1957