Most Monthly Precipitation in Pendleton History

This is a list of the largest monthly precipitation totals ever recorded in Pendleton, Oregon history from 1892–2024.

What Was the Wettest Month in Pendleton History?

According to NOAA records, the most precipitation that Pendleton, Oregon has ever received in a single month is 4.7 inches which occurred in December 1973.

Month to date though April 23, 2024: 0.2 inches

Pendleton Most Rain in One Month

Rank	Precipitation	Month
1	4.7 inches	December 1973
2	4.2 inches	November 1897
3	4.2 inches	January 1912
4	4.1 inches	November 1910
5	3.9 inches	January 1970
6	3.9 inches	October 1900
7	3.8 inches	November 1973
8	3.7 inches	November 1921
9	3.6 inches	January 1894
10	3.6 inches	November 1909
11	3.5 inches	January 1975
12	3.4 inches	December 1983
13	3.4 inches	May 1906
14	3.3 inches	December 1925
15	3.2 inches	December 1964
16	3.2 inches	May 1991
17	3.2 inches	February 1921
18	3.1 inches	December 2010
19	3.1 inches	February 1916
20	3.1 inches	May 1912