The highest day temperature in June 2026 was 80°F. The lowest night temperature was 54°F. The average values for day and night temperatures during June were 66.9°F и 57.5°F respectivly.

The average sea surface temperature in June 2026 for Santa Catalina Island was 68.4°F. The maximum and minimum values were 66.6°F and 70.2°F respectively.

Most of the days in June are sunny but you can also expect cloudy and gloomy days.

Precipitation total in June for Santa Catalina Island is 0.0 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 7.1 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santa Catalina Island in June is 9.9 hours.