Most Monthly Precipitation in Jackson Hole History

This is a list of the largest monthly precipitation totals ever recorded in Jackson Hole, Wyoming history from 1905–2024.

What Was the Wettest Month in Jackson Hole History?

According to NOAA records, the most precipitation that Jackson Hole, Wyoming has ever received in a single month is 6.5 inches which occurred in September 1924.

Jackson Hole Most Rain in One Month

Rank	Precipitation	Month
1	6.5 inches	September 1924
2	6.0 inches	September 1927
3	6.0 inches	May 1980
4	6.0 inches	December 1964
5	5.8 inches	February 2017
6	5.5 inches	December 1955
7	5.0 inches	October 2016
8	4.9 inches	January 1969
9	4.8 inches	August 1930
10	4.8 inches	July 1924
11	4.8 inches	June 1967
12	4.7 inches	January 1943
13	4.6 inches	December 1996
14	4.5 inches	February 1927
15	4.4 inches	March 1907
16	4.2 inches	November 1988
17	4.2 inches	June 1998
18	4.1 inches	May 1981
19	4.1 inches	November 1983
20	3.9 inches	January 1923