Most Monthly Precipitation in Chula Vista History

This is a list of the largest monthly precipitation totals ever recorded in Chula Vista, California history from 1918–2024.

What Was the Wettest Month in Chula Vista History?

According to NOAA records, the most precipitation that Chula Vista, California has ever received in a single month is 8.3 inches which occurred in December 1921.

Chula Vista Most Rain in One Month

Rank	Precipitation	Month
1	8.3 inches	December 1921
2	8.3 inches	January 1993
3	8.1 inches	November 1985
4	7.8 inches	February 1998
5	7.4 inches	March 1983
6	7.3 inches	February 1927
7	6.9 inches	December 1943
8	6.7 inches	December 1940
9	6.7 inches	March 1941
10	6.0 inches	November 1965
11	5.8 inches	January 1995
12	5.7 inches	February 1935
13	5.7 inches	February 2005
14	5.5 inches	January 2023
15	5.4 inches	January 1957
16	5.3 inches	March 1991
17	5.3 inches	February 1992
18	5.3 inches	December 1984
19	5.1 inches	February 1932
20	5.0 inches	December 1965