Most Monthly Precipitation in Fairfield History

This is a list of the largest monthly precipitation totals ever recorded in Fairfield, Illinois history from 1895–2024.

What Was the Wettest Month in Fairfield History?

According to NOAA records, the most precipitation that Fairfield, Illinois has ever received in a single month is 16.0 inches which occurred in October 1919.

Fairfield Most Rain in One Month

Rank	Precipitation	Month
1	16.0 inches	October 1919
2	12.8 inches	March 1945
3	12.6 inches	May 1961
4	12.5 inches	July 1969
5	12.4 inches	March 1913
6	12.2 inches	January 1949
7	12.2 inches	May 1946
8	12.1 inches	May 1927
9	12.0 inches	March 1897
10	12.0 inches	March 1898
11	11.9 inches	March 2008
12	11.1 inches	April 1972
13	11.0 inches	April 2011
14	10.8 inches	October 1983
15	10.7 inches	May 1995
16	10.6 inches	November 1985
17	10.6 inches	January 1937
18	10.4 inches	January 1950
19	10.3 inches	September 1926
20	10.3 inches	June 2000