Measurements:
°C
°F
Santa Catalina Island
60°F
E 7 mph
Feels like: 60°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Water Temperature

Current Sea Water Temperature:
+61.2°F
Maximum Sea Water Temperature in December: 65.8°F
Minimum Sea Water Temperature in December: 59.6°F
Average water temperature in December: 62.0°F

Sea Water Temperature for the Last 10 Days:

December 22 61.2°F December 17 60.2°F
December 21 61.2°F December 16 60.4°F
December 20 61.6°F December 15 60.8°F
December 19 61.0°F December 14 60.6°F
December 18 60.6°F December 13 61.0°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 +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Santa Catalina Island
Local time: 02:40
22 dec, sunday
0300 60°F
E
7 mph
0600 62°F
SE
4 mph
0900 60°F
E
4 mph
1200 56°F
E
3 mph
1500 56°F
E
5 mph
1800 60°F
E
7 mph
2100 64°F
E
7 mph
23 dec, monday
0000 62°F
NE
0 mph