Most Monthly Precipitation in Centralia History

This is a list of the largest monthly precipitation totals ever recorded in Centralia, Washington history from 1893–2022.

What Was the Wettest Month in Centralia History?

According to NOAA records, the most precipitation that Centralia, Washington has ever received in a single month is 22.1 inches which occurred in December 1933.

Centralia Most Rain in One Month

Rank	Precipitation	Month
1	22.1 inches	December 1933
2	17.7 inches	November 2006
3	17.4 inches	December 1917
4	14.9 inches	November 1909
5	14.6 inches	January 1990
6	14.3 inches	December 1996
7	14.1 inches	November 1932
8	13.9 inches	January 2006
9	13.9 inches	January 1953
10	13.0 inches	January 1964
11	12.8 inches	November 1995
12	12.7 inches	November 1934
13	12.7 inches	January 1914
14	12.6 inches	November 1910
15	12.6 inches	February 1999
16	12.5 inches	December 1955
17	12.4 inches	December 1998
18	12.3 inches	March 1916
19	12.2 inches	November 1983
20	12.2 inches	November 1998