Most Monthly Precipitation in Ketchum History

This is a list of the largest monthly precipitation totals ever recorded in Ketchum, Idaho history from 1937–2024.

What Was the Wettest Month in Ketchum History?

According to NOAA records, the most precipitation that Ketchum, Idaho has ever received in a single month is 11.4 inches which occurred in December 1964.

Month to date though April 24, 2024: 0.7 inches

Ketchum Most Rain in One Month

Rank	Precipitation	Month
1	11.4 inches	December 1964
2	7.9 inches	January 1969
3	7.7 inches	December 1955
4	7.0 inches	December 1996
5	7.0 inches	March 1995
6	6.7 inches	January 1943
7	6.6 inches	February 1938
8	6.1 inches	November 1973
9	5.7 inches	May 2005
10	5.6 inches	April 2006
11	5.6 inches	December 1941
12	5.5 inches	December 2012
13	5.5 inches	May 1998
14	5.4 inches	March 1983
15	5.3 inches	December 1982
16	5.3 inches	June 2009
17	5.1 inches	December 1970
18	5.1 inches	January 1995
19	5.1 inches	February 1986
20	5.1 inches	December 2005