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
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°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 73.3 °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
+63°F
SE 2 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+75°F
+75°F
+64°F
+68°F
+86°F
+79°F
+72°F
+52°F
+66°F
+57°F
+79°F
+79°F
+68°F
+19°F
24 Hours Forecast
Santa Catalina Island
Local time: 12:15
December 19, friday
1500
59°F
E
5 mph
1800
61°F
E
7 mph
2100
61°F
E
7 mph
December 20, saturday
0000
61°F
E
4 mph
0300
59°F
W
3 mph
0600
59°F
W
7 mph
0900
55°F
W
6 mph
1200
54°F
W
4 mph
Units of measurement: °C / °F