World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Temperature in August

Average sea water temperature in August:
+70.5°F
Minimum sea water temperature in August: 74.3°F
Maximum sea water temperature in August: 67.3°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 71.8°F and 68.2°F.

Monthly sea water temperature in Santa Catalina Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
Cocoa Beach 86.8°F 84.5°F
Pensacola 86.5°F 87.2°F
Mobile 86.2°F 87.0°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
+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
+5°F
24 Hours Forecast
Santa Catalina Island
Local time: 20:50
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