Santa Cantalina Island Weather Records

Santa Cantalina Island, California weather averages and records from 1948–2024 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Santa Cantalina Island, California was 110 °F which occurred on September 6, 2020.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Santa Cantalina Island, California was 26 °F which occurred on March 31, 1976.

Lowest Temperatures: All-Time By Year

Santa Cantalina Island Weather by Month

Averages based on the years 1991–2020

Month	Average (°F)		Record (°F)		Average (inches)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧
January	61.9	50.7	85	29	2.3
February	60.6	49.2	87	32	2.5
March	62.8	49.8	90	26	1.2
April	64.1	50.0	92	39	0.7
May	66.9	52.6	96	43	0.4
June	71.2	55.6	102	45	0.1
July	77.1	60.2	106	49	0.1
August	78.9	62.2	103	50	0.0
September	78.2	62.6	110	48	0.1
October	72.6	59.1	99	41	0.5
November	66.8	54.3	91	37	1.0
December	60.7	50.0	81	34	2.2
Entire year	68.6	54.8	110	26	11.3

More Santa Cantalina Island Weather Records 1948–2024
Highest daily low	91 °F	September 6, 2020
Lowest daily high	39 °F	January 11, 1949
Greatest daily range (Difference of high and low)	45 °F	March 31, 1976
Greatest difference in daily high over two conscutive days	28 °F	Oct 23–24, 2011
Most daily precipitation	4.4 inches	December 28, 2004
Most monthly precipitation	8.4 inches	February 2024
Most yearly precipitation	25.7 inches	2010
Most yearly days with precipitation	120	2010
Earliest day ≥ 80 °F	January 4	2012
Earliest day ≥ 90 °F	March 31	1966
Latest freeze	March 31	1976
Latest day ≥ 80 °F	December 29	2017
Latest day ≥ 90 °F	November 22	2017
Most days in a year < 32 °F	3	1949
Most days in a year ≥ 80 °F	89	2008
Most days in a year ≥ 90 °F	31	2020
Most days in a year ≥ 100 °F	3	2020
Most days in a year ≥ 110 °F	1	2020

Santa Cantalina Island Weather Streaks Most consecutive days...
With precipitation	12 days	Oct 14–25, 2010
Without precipitation	140 days	May 17 – Oct 3, 2021
High temperature ≥ 80 °F	24 days	Jul 10 – Aug 2, 2023
High temperature ≥ 90 °F	10 days	Aug 26 – Sep 4, 2009

Plant Hardiness Zone

10B

Santa Cantalina Island is in plant hardiness zone 10B

based on average yearly minimum temperature from 1991–2020

Santa Cantalina Island Weather by Year

More Santa Cantalina Island Weather

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Weather Station Details

Years	Station	Coordinates
1948–2024	Avalon Catalina Airport	location