Most Monthly Precipitation in Colusa History

This is a list of the largest monthly precipitation totals ever recorded in Colusa, California history from 1893–2024.

What Was the Wettest Month in Colusa History?

According to NOAA records, the most precipitation that Colusa, California has ever received in a single month is 13.8 inches which occurred in January 1995.

Colusa Most Rain in One Month

Rank	Precipitation	Month
1	13.8 inches	January 1995
2	12.1 inches	February 1998
3	8.7 inches	December 2014
4	8.0 inches	January 1973
5	8.0 inches	December 1983
6	7.9 inches	March 1995
7	7.9 inches	January 1978
8	7.8 inches	January 2008
9	7.8 inches	March 1991
10	7.7 inches	December 1940
11	7.7 inches	January 1940
12	7.4 inches	February 1958
13	7.4 inches	March 1983
14	7.4 inches	February 1938
15	7.3 inches	January 1993
16	7.2 inches	December 1955
17	7.2 inches	January 1914
18	7.1 inches	February 1980
19	7.0 inches	February 1993
20	7.0 inches	March 1911