Most Monthly Precipitation in Sitka History

This is a list of the largest monthly precipitation totals ever recorded in Sitka, Alaska history from 1899–2024.

What Was the Wettest Month in Sitka History?

According to NOAA records, the most precipitation that Sitka, Alaska has ever received in a single month is 30.8 inches which occurred in October 1978.

Sitka Most Rain in One Month

Rank	Precipitation	Month
1	30.8 inches	October 1978
2	26.7 inches	October 1937
3	25.9 inches	November 1936
4	23.3 inches	November 1929
5	23.0 inches	October 1939
6	22.7 inches	October 1974
7	22.3 inches	October 1931
8	20.8 inches	September 1924
9	20.7 inches	October 1917
10	20.6 inches	September 1987
11	20.3 inches	September 1948
12	19.9 inches	October 2008
13	19.7 inches	November 2004
14	19.6 inches	October 1960
15	19.5 inches	August 1961
16	19.3 inches	November 1957
17	19.2 inches	October 1986
18	19.2 inches	September 1939
19	18.9 inches	October 1961
20	18.9 inches	October 1980