World Resorts USA Santa Catalina Island Weather

Santa Catalina Island weather in March

Weather in Santa Catalina Island: March

Average day temperature: 61.0°F
Average night temperature: 55.8°F
Sea water temperature: 58.7°F
Number of sunny days: 16 days
Day length: 11.5 - 12.5 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in March, °F

Show year:
2025
2024
2023

The highest day temperature during March of 2025 was 61°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during March were 56.2°F and 55.5°F.

Sea water temperature in Santa Catalina Island in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 57.5°F. The highest and lowest sea temperatures during the month were 58.8°F and 56.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are sunny but cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in Santa Catalina Island in March is 0.6 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 8.8 mph It makes March most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 7.9.

Best time for vacation in Santa Catalina Island

Sunniest months:
August 24 days
July 23 days
September 21 days
Warmest months:
August 75.1 °F
September 74.6 °F
July 73.3 °F
Warmest sea temp:
August 70.5 °F
September 70.4 °F
July 68.6 °F
Coldest months:
March 61.0 °F
December 61.9 °F
January 62.2 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 8.8 mph
April 7.5 mph
February 7.5 mph

Santa Catalina Island on a weather map

Santa Catalina Island
+54°F
SE 14 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Santa Catalina Island
Local time: 20:09
December 04, thursday
2100
54°F
SE
14 mph
December 05, friday
0000
52°F
SE
13 mph
0300
52°F
SE
12 mph
0600
59°F
SE
9 mph
0900
59°F
E
6 mph
1200
63°F
E
6 mph
1500
64°F
E
6 mph
1800
64°F
E
6 mph
Units of measurement: °C / °F