Most Monthly Precipitation in Sonora History

This is a list of the largest monthly precipitation totals ever recorded in Sonora, California history from 1903–2024.

What Was the Wettest Month in Sonora History?

According to NOAA records, the most precipitation that Sonora, California has ever received in a single month is 21.3 inches which occurred in January 1911.

Month to date though April 19, 2024: 1.7 inches

Sonora Most Rain in One Month

Rank	Precipitation	Month
1	21.3 inches	January 1911
2	19.1 inches	March 1907
3	17.6 inches	January 1909
4	17.6 inches	February 1936
5	17.6 inches	January 1914
6	17.2 inches	January 1969
7	17.1 inches	January 1995
8	15.9 inches	March 1906
9	15.7 inches	January 1916
10	15.5 inches	January 2017
11	15.1 inches	December 1996
12	14.6 inches	March 1995
13	14.6 inches	February 1938
14	14.4 inches	January 1998
15	14.3 inches	February 1998
16	14.2 inches	December 1964
17	14.2 inches	January 1940
18	14.1 inches	March 2023
19	13.9 inches	January 2023
20	13.3 inches	December 1955