Catalina Island Weather In July. Daytime maximum temperatures average around 19 c 67 f whilst at night 10 c 51 f is normal. Get the monthly weather forecast for avalon ca including daily high low historical averages to help you plan ahead.
Low temperature during july the overnight temperature drops to an average of 62 8 f with the lowest temperature of 50 0 f being recorded on july 5 2005. Catalina island ca daily average and extreme temperature range for july. More about our weather records avalon santa catalina island weather history for july 11 2020 show weather for.
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Based on weather reports collected during 1985 2015. In catalina island ca during july the average high temperature is 76 2 f. Stand up paddleboard the waters on the calm sheltered front side of the island are ideal for trying out this popular sport. Nine things to do catalina island this summer.
