Season Rainfall (Precipitation)
2022-2023

Downtown Los Angeles
(USC Campus)

For prior seasons, click here.

Rainfall Over Downtown Los Angeles at Night

Downtown Los Angeles skyline at night under the rain. Photo courtesy of Delia Thornton.

Why our “Rainfall Season” is different than that of the National Weather Service

NOTE: When most weather reporting sources cite weather in Los Angeles (without specifying where, exactly, in Los Angeles), these numbers are typically for the Downtown Los Angeles weather station (actually located on the USC campus).

Downtown Los Angeles (USC Campus)
March 2023 Rainfall-to-Date

L.A.’s 2022-2023 Rain Season So Far:

• With more than 27.5 inches of rainfall since July 2022, the 2022-2023 rain season (ending June 2023), is now L.A.'s 8th wettest season in 145 years.

• L.A.'s 2022-2023 rain season is L.A.'s wettest season in 18 years (since 37.25 inches of rainfall in the 2004-2005 season).

• March 2023 is L.A.'s wettest March in 45 years (since 8.02 inches in 1978).

Rainfall measured in inches

Date (March)	Rainfall Measured for Day	Month's Cumulative Rainfall Measured
1	0.27	0.27
5	0.05	0.32
6	0.01	0.33
10	0.81	1.14
11	0.12	1.26
14	1.89	3.15
15	1.22	4.37
19	0.10	4.47
20	0.13	4.60
21	1.43	6.03
22	0.33	6.36
23	0.02	6.38
29	0.92	7.30
30	0.18*	7.48

* Cumulative rainfall for this day, as of 2:47 a.m., as reported by the National Weather Service, (preliminary - subject to revision).

On Tuesday, Mar. 14, at 7:17 p.m., Downtown L.A. exceeded its cumulative normal rainfall for all of March. This further pushes Downtown L.A.'s entire season's cumulative rainfall, thus far, more than 12 inches above its normal rainfall for the entire rain season (through June 30).

Downtown Los Angeles (USC Campus)
2022-2023 Rainfall Season-to-Date

Monthly rainfall totals for previous seasons are found at Monthly Rainfall for Downtown Los Angeles.

Click on image for larger image.
Los Angeles Almanac chart. Dotted orange line is current seasonal rainfall normal for Downtown L.A. See L.A.'s Historic Seasonal Rainfall.

Rainfall measured in inches

NOTE: Rainfall normals were updated on May 4, 2021.^†

This table has been reformatted in response to visitor feedback.

Month	Rainfall For Month			Rainfall For Season
Month	Measured for Month	Monthly Normal^†	Deviation from Monthly Normal	Measured for Season-to-Date	Season Normal-to-Date^†	Deviation from Season Normal-to-Date
Jul 2022	0.00	0.02	-0.02	0.00	0.02	-0.02
Aug 2022	0.00	0.00	0.00	0.00	0.02	-0.02
Sep 2022	0.37	0.13	+0.24	0.37	0.15	+0.22
Oct 2022	0.02	0.58	-0.56	0.39	0.73	-0.34
Nov 2022	1.98	0.78	+1.20	2.37	1.51	+0.86
Dec 2022	2.81	2.48	+0.33	5.18	3.99	+1.19
Month	Rainfall For Month			Rainfall For Season
Month	Measured for Month	Monthly Normal^†	Deviation from Monthly Normal	Measured for Season-to-Date	Season Normal-to-Date^†	Deviation from Season Normal-to-Date
Jan 2023	8.95	3.29	+5.66	14.13	7.28	+6.85
Feb 2023	5.95	3.64	+2.31	20.08 ^‡	10.92	+9.16
Mar 2023	-Pending-	2.23	---	-Pending-	13.15	---
Apr 2023	-Pending-	0.69	---	-Pending-	13.84	---
May 2023	-Pending-	0.32	---	-Pending-	14.16	---
Jun 2023	-Pending-	0.09	---	-Pending-	14.25	---

† Normals, recalculated every ten years, were updated on May 4, 2021. The total season normal for this station is 14.25 inches.

‡ Downtown L.A.'s cumulative rainfall received through February exceeded its entire seasonal normal (14.25 inches).

Source: National Weather Service Forecast Office, Los Angeles/Oxnard

Season Rainfall (Precipitation) 2022-2023

Downtown Los Angeles (USC Campus)

Downtown Los Angeles (USC Campus) March 2023 Rainfall-to-Date

Downtown Los Angeles (USC Campus) 2022-2023 Rainfall Season-to-Date

Season Rainfall (Precipitation)
2022-2023

Downtown Los Angeles
(USC Campus)

Downtown Los Angeles (USC Campus)
March 2023 Rainfall-to-Date

Downtown Los Angeles (USC Campus)
2022-2023 Rainfall Season-to-Date