The highest day temperature in July 2023 was 89°F. The lowest night temperature was 62°F. The average values for day and night temperatures during July were 81.6°F и 68.3°F respectivly.

The average sea surface temperature in July 2023 for Santa Catalina Island was 69.7°F. The maximum and minimum values were 66.2°F and 74.2°F respectively.

Almost all days in July are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in July for Santa Catalina Island is 0.0 in. It makes july the least rainy month of the year.

The average wind speed in July is 6.6 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 July is 13.3 hours.