Most Monthly Precipitation in Hanford History

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

What Was the Wettest Month in Hanford History?

According to NOAA records, the most precipitation that Hanford, California has ever received in a single month is 6.7 inches which occurred in January 1969.

Month to date though April 17, 2024: 1.1 inches

Hanford Most Rain in One Month

Rank	Precipitation	Month
1	6.7 inches	January 1969
2	6.6 inches	March 1991
3	5.2 inches	December 2010
4	5.1 inches	February 1978
5	4.9 inches	February 1962
6	4.8 inches	March 1995
7	4.7 inches	January 1995
8	4.7 inches	February 1936
9	4.7 inches	January 1916
10	4.6 inches	March 1938
11	4.5 inches	February 1969
12	4.5 inches	February 1918
13	4.4 inches	December 1955
14	4.4 inches	January 1914
15	4.1 inches	March 1978
16	4.1 inches	March 1906
17	4.1 inches	February 1998
18	3.9 inches	March 2023
19	3.9 inches	March 1958
20	3.9 inches	February 1941