Most Monthly Precipitation in Juneau History

This is a list of the largest monthly precipitation totals ever recorded in Juneau, Alaska history from 1890–2024.

What Was the Wettest Month in Juneau History?

According to NOAA records, the most precipitation that Juneau, Alaska has ever received in a single month is 20.2 inches which occurred in January 1891.

Month to date though April 21, 2024: 2.9 inches

Juneau Most Rain in One Month

Rank	Precipitation	Month
1	20.2 inches	January 1891
2	20.2 inches	November 1948
3	18.5 inches	December 1943
4	17.9 inches	September 1947
5	17.6 inches	November 1956
6	17.6 inches	September 1948
7	17.3 inches	October 1953
8	17.3 inches	October 1952
9	17.0 inches	September 1908
10	16.8 inches	September 1943
11	16.6 inches	October 1948
12	16.5 inches	October 1901
13	16.2 inches	September 1909
14	16.2 inches	October 1958
15	15.8 inches	October 1944
16	15.4 inches	November 1905
17	15.3 inches	October 1974
18	15.2 inches	October 1945
19	15.1 inches	September 1991
20	15.1 inches	October 2008