The highest day temperature in March 2025 was 63°F. The lowest night temperature was 49°F. The average values for day and night temperatures during March were 56.9°F и 56.1°F respectivly.

The average sea surface temperature in March 2025 for Santa Catalina Island was 58.3°F. The maximum and minimum values were 56.8°F and 59.8°F respectively.

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

Precipitation total in March for Santa Catalina Island is 0.6 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 8.8 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 March is 7.8 hours.