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Santa Cantalina Island May Weather

Averages and records for weather in Santa Cantalina Island, California in the month of May.

Typical Santa Cantalina Island May Weather 1991–2020
Average daily high	66.9 °F
Average daily low	52.6 °F
Average monthly precipitation	0.4 inches
Daily chance of precipitation	18.4%

Santa Cantalina Island May Weather Records 1948–2024
Highest temperature	96 °F	May 17, 2008
Lowest temperature	43 °F	May 7, 1964
Highest daily low	73 °F	May 2, 2004
Lowest daily high	50 °F	May 6, 1964
Hottest average high temperature	72.7 °F	2014
Coldest average high temperature	60.9 °F	2019
Most daily precipitation	0.6 inches	May 22, 2006
Most monthly precipitation	1.2 inches	2006

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	66.6	52.0	86	43
May 2	66.7	52.1	92	45
May 3	66.8	52.1	95	44
May 4	66.8	52.1	87	43
May 5	66.8	52.1	85	45
May 6	66.9	52.3	86	44
May 7	67.0	52.4	86	43
May 8	67.1	52.4	88	46
May 9	67.1	52.4	84	45
May 10	66.9	52.4	79	45
May 11	66.8	52.4	88	44
May 12	66.7	52.4	92	45
May 13	66.6	52.4	91	47
May 14	66.6	52.4	91	47
May 15	66.7	52.5	96	45
May 16	66.8	52.5	91	44
May 17	66.8	52.5	96	46
May 18	66.7	52.5	91	46
May 19	66.7	52.5	85	45
May 20	66.8	52.5	85	45
May 21	66.9	52.6	87	46
May 22	67.0	52.6	85	46
May 23	66.9	52.6	91	45
May 24	67.0	52.6	83	45
May 25	67.1	52.8	88	44
May 26	67.2	52.9	83	45
May 27	67.2	52.9	87	46
May 28	67.2	52.9	89	47
May 29	67.2	52.9	85	46
May 30	67.2	53.0	80	48
May 31	67.4	53.1	82	46

Weather Station Details

Years	Station	Coordinates
1948–2024	Avalon Catalina Airport	location