Measurements:
°C
°F
Santa Catalina Island
58°F
SE 11 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Water Temperature

Current Sea Water Temperature:
+60.8°F
Maximum Sea Water Temperature in November: 69.6°F
Minimum Sea Water Temperature in November: 60.6°F
Average water temperature in November: 64.7°F

Sea Water Temperature for the Last 10 Days:

November 21 60.8°F November 16 62.6°F
November 20 60.6°F November 15 63.8°F
November 19 61.4°F November 08 63.8°F
November 18 62.0°F November 07 64.2°F
November 17 62.0°F November 06 64.6°F

When is the Warmest Sea for Santa Catalina Island?

According to our data for the last three years for Santa Catalina Island the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Santa Catalina Island was 72.9°F. The maximum and minimum values were 70.4°F and 74.2°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Santa Catalina Island was 71.3°F. The maximum and minimum values were 68.6°F and 74.4°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Santa Catalina Island was 70.8°F. The maximum and minimum values were 69.2°F and 72.2°F respectively.

Best Time to Visit Santa Catalina Island
The most sunny months:
August 29 days
July 28 days
September 24 days
The most warm months:
August 79.4 °F
September 78.8 °F
July 77.7 °F
Warmest sea temperature:
August 72.9 °F
September 72.6 °F
July 70.8 °F
The most cold months:
March 63.3 °F
January 64.6 °F
December 64.6 °F
The most rainy months:
December 3 days
January 2 days
February 1 day
The most windy months:
March 8 mph
April 7 mph
May 7 mph

Santa Catalina Island on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +60
Los Angeles +74
Maui +74
Miami +86
New York +48
San Diego +72
San Francisco +58
Sarasota +76
Tampa +76
Washington +52
24 Hours Weather Forecast
Santa Catalina Island
Local time: 13:04
21 nov, thursday
1500 56°F
E
12 mph
1800 56°F
SE
12 mph
2100 56°F
SE
13 mph
22 nov, friday
0000 56°F
SE
10 mph
0300 56°F
SE
11 mph
0600 56°F
SE
12 mph
0900 52°F
SE
11 mph
1200 50°F
SE
9 mph