World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Temperature in October

Average sea water temperature in October:
+68.1°F
Minimum sea water temperature in October: 73.4°F
Maximum sea water temperature in October: 62.8°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 70.0°F and 66.2°F.

Monthly sea water temperature in Santa Catalina Island, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Miami Beach 83.4°F 83.4°F
Miami 82.7°F 82.9°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F
Oahu 79.8°F 80.2°F
Tampa 79.4°F 79.3°F
Panama City Beach 79.2°F 78.9°F
Fort Walton Beach 79.2°F 78.6°F
Cocoa Beach 79.2°F 79.9°F
Pensacola Beach 79.1°F 78.1°F
Destin 79.0°F 78.5°F
Santa Rosa Beach 78.9°F 78.6°F
Clearwater Beach 78.9°F 78.8°F

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 73.4 °F
Warmest sea temp:
August 70.5 °F
September 70.4 °F
July 68.7 °F
Coldest months:
December 61.9 °F
January 62.3 °F
March 62.5 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 8.5 mph
February 7.8 mph
April 7.7 mph

Santa Catalina Island on a weather map

Santa Catalina Island
+66°F
E 16 mph
Feels like: +66°F
Precip.: 10%
Places in USA:
Name
°F
+68°F
+77°F
+81°F
+88°F
+79°F
+86°F
+75°F
+84°F
+79°F
+75°F
+63°F
+77°F
+84°F
+86°F
+73°F
24 Hours Forecast
Santa Catalina Island
Local time: 18:32
August 15, saturday
2100
66°F
E
11 mph
August 16, sunday
0000
66°F
E
11 mph
0300
66°F
E
9 mph
0600
66°F
E
6 mph
0900
66°F
E
7 mph
1200
66°F
E
11 mph
1500
66°F
E
16 mph
1800
66°F
E
17 mph
Units of measurement: °C / °F