Most Daily Precipitation in San Luis Obispo History

This is a list of the largest daily precipitation totals ever recorded in San Luis Obispo, California history from 1893–2024.

What's the Most It Has Ever Rained in San Luis Obispo?

According to NOAA records, the most rain that San Luis Obispo, California has ever received in a single day is 5.9 inches which occurred on Saturday January 25, 1969.

Also see most rain in: 2 days | 1 week | 1 month

San Luis Obispo Most Rain in One Day

Rank	Precipitation	Date
1	5.9 inches	January 25, 1969
2	5.6 inches	January 20, 1969
3	4.9 inches	January 19, 1969
4	4.8 inches	March 7, 1911
5	4.7 inches	February 13, 1986
6	4.7 inches	February 10, 1963
7	4.6 inches	February 14, 1937
8	4.5 inches	December 28, 1931
8	4.5 inches	January 25, 1914
8	4.5 inches	December 8, 1909
11	4.3 inches	March 2, 1974
12	4.3 inches	January 19, 1973
13	4.1 inches	January 22, 1943
14	4.1 inches	March 11, 1995
15	4.0 inches	January 9, 2023
15	4.0 inches	December 27, 1936
17	4.0 inches	February 25, 1969
18	4.0 inches	January 17, 1978
19	4.0 inches	February 18, 1980
20	4.0 inches	March 10, 1995