Average August Temperature in Santa Cantalina Island by Year

This page contains a list of the average monthly high and low temperatures in Santa Cantalina Island, California for the month of August each year between 1948 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Santa Cantalina Island?

2012 was the warmest August in the history of Santa Cantalina Island, California. The average daily high temperature was 83.6 °F, and the average low was 67.6 °F.

What Was the Coldest August Ever in Santa Cantalina Island?

2004 was the coolest August in the history of Santa Cantalina Island, California. The average daily high temperature was 74.1 °F, and the average low was 58.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	8	80.6	64.2
2022	6	82.0	64.8
2021	19	78.7	62.7
2020	3	82.5	64.9
2019	9	81.1	63.4
2018	11	79.3	64.0
2017	14	79.8	62.7
2016	25	77.3	61.3
2015	12	79.3	63.8
2014	26	77.0	60.4
2013	20	78.9	61.5
2012	1	83.6	67.6
2011	22	79.0	61.4
2010	27	77.0	60.3
2009	18	79.3	62.2
2008	23	79.0	60.7
2007	13	79.0	63.6
2005	29	77.5	59.4
2004	33	74.1	58.7
2003	5	82.2	64.9
2002	30	74.9	59.3
2001	24	78.8	60.8
2000	16	78.9	63.4
1967	2	83.7	66.6
1966	10	80.1	63.3
1965	4	82.2	65.1
1964	7	81.1	64.5
1963	17	80.2	61.7
1952	15	81.1	61.3
1951	31	76.1	57.5
1950	28	78.2	58.9
1949	21	79.1	61.3
1948	32	76.2	57.2

Weather Station Details

Years	Station	Coordinates
1948–2024	Avalon Catalina Airport	location