Most Monthly Precipitation in Eureka History

This is a list of the largest monthly precipitation totals ever recorded in Eureka, California history from 1941–2024.

What Was the Wettest Month in Eureka History?

According to NOAA records, the most precipitation that Eureka, California has ever received in a single month is 23.3 inches which occurred in December 2002.

Month to date though April 12, 2024: 0.2 inches

Eureka Most Rain in One Month

Rank	Precipitation	Month
1	23.3 inches	December 2002
2	21.3 inches	December 1996
3	16.6 inches	November 1973
4	15.2 inches	November 1984
5	14.7 inches	December 2015
6	14.4 inches	February 2019
7	14.1 inches	December 1983
8	14.1 inches	November 1998
9	14.0 inches	February 1998
10	13.9 inches	January 1969
11	13.8 inches	January 1950
12	13.4 inches	January 1998
13	13.2 inches	November 1970
14	13.0 inches	October 1950
15	12.9 inches	December 1941
16	12.7 inches	January 1995
17	12.7 inches	December 2005
18	12.6 inches	January 1953
19	12.5 inches	January 1970
20	12.1 inches	November 1964