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Seasonal Rainfall (Precipitation)

Santa Catalina Island, California
(Catalina Airport)

For the previous season and all seasons prior, click here.

Rainfall Over Avalon Harbor

Rainfall over Avalon Harbor at Santa Catalina Island. Los Angeles Almanac Photo.

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

Also see:
-- Historic Catalina Airport Seasonal Rainfall

-- Current Season Rainfall-to-Date - Downtown Los Angeles
-- Current Season Rainfall-to-Date - Burbank
-- Current Season Rainfall-to-Date - Hawthorne
-- Current Season Rainfall-to-Date - Lancaster
-- Current Season Rainfall-to-Date - Long Beach
-- Current Season Rainfall-to-Date - Los Angeles International Airport
-- Current Season Rainfall-to-Date - Palmdale
-- Current Season Rainfall-to-Date - Pasadena
-- Current Season Rainfall-to-Date - Sandberg
-- Current Season Rainfall-to-Date - Santa Clarita
-- Current Season Rainfall-to-Date - Santa Fe Dam (San Gabriel Valley)
-- Current Season Rainfall-to-Date - Santa Monica
-- Current Season Rainfall-to-Date - Van Nuys, Los Angeles
-- Current Season Rainfall-to-Date - Westwood, Los Angeles
-- Current Season Rainfall-to-Date - Whittier
-- Current Season Rainfall-to-Date - Woodland Hills, Los Angeles

Rainfall, Precipitation, Weather, Map, Los Angeles County

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).

Santa Catalina Island (Catalina Airport)
October 2021 Rainfall-to-Date

Please Note: Due to technical issues with communications from the Catalina Airport weather station, there was no data reporting from this station from Oct. 6 through 9:51 a.m., Oct. 18. Data shown here for Oct. 8 is from weather station CWNC1, located in the hills outside Avalon, about one mile outside of town. The Almanac does not routinely report data from this station, due to a lack of substantial historical data for establishing long term normals. We do, however, provide data from this station, on a temporary basis, as alternative reporting when Catalina Airport data are unavailable.

Rainfall measured in inches

Date (October) Rainfall Measured for Day Month's Cumulative Rainfall Measured
4 0.04 0.04
5 0.02 0.06
8 0.01 0.07
23 0.01 0.08
25 0.38* 0.46

* Cumulative rainfall for this day, as of 8:51 p.m., as reported by the National Weather Service, (preliminary - subject to revision).

† Data from alternate Santa Catalina Island weather station. See "Please Note" above.

Santa Catalina Island (Catalina Airport)
2021-2022 Rainfall Season-to-Date

Monthly rainfall totals for previous seasons are found at Monthly Rainfall for Santa Catalina Island.

PLEASE NOTE: Due to a techical data communications glitch, this station was unable to transmit weather data from July 20 through August 2. As such, for July 2021 below, we provide data from another weather station on the island, located in the hills above Avalon, about a mile outside the city. Normals shown below continue to be those for Catalina Airport, which is approximately six miles away.

Rainfall measured in inches

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

Month Rainfall Measured Season-To-Date Rainfall For Month For Season
Monthly Normal Departure for Month Season-to-Date Normal Departure for Season
Jul 2021 0.02 0.02 0.08 -0.06 0.08 -0.06
Aug 2021 Trace 0.02 0.01 -0.01 0.09 -0.07
Sep 2021 Trace 0.02 0.12 -0.12 0.21 -0.19
Oct 2021 Pending Pending 0.48 Pending 0.69 Pending
Nov 2021 Pending Pending 0.97 Pending 1.66 Pending
Dec 2021 Pending Pending 2.22 Pending 3.88 Pending
Month Rainfall Measured Season-To-Date Rainfall For Month For Season
Monthly Normal Departure for Month Season-to-Date Normal Departure for Season
Jan 2022 Pending Pending 3.04 Pending 6.92 Pending
Feb 2022 Pending Pending 2.83 Pending 9.75 Pending
Mar 2022 Pending Pending 1.67 Pending 11.42 Pending
Apr 2022 Pending Pending 0.78 Pending 12.20 Pending
May 2022 Pending Pending 0.36 Pending 12.56 Pending
Jun 2022 Pending Pending 0.21 Pending 12.77 Pending

† Normals, reissued every ten years, were updated on May 4, 2021. The latest normals are National Centers For Environmental Information data, used by the National Weather Service, based upon 30-year averages, covering 1991 through 2020. The total season normal for this station is 12.77 inches.

‡ Due to a technical interruption, data were missing for this station from July 21-31, 2021. Data for this month was derived from another weather station, located in the hills around Avalon, about a mile outside the city.

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