World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Temperature in August

Average sea water temperature in August:
+71.0°F
Minimum sea water temperature in August: 76.3°F
Maximum sea water temperature in August: 67.3°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 72.3°F.

Monthly sea water temperature in Santa Catalina Island, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.8°F 88.8°F
Naples 88.1°F 88.7°F
New Orleans 88.0°F 87.4°F
Houston 87.8°F 87.8°F
Miami 87.3°F 88.1°F
Miami Beach 87.1°F 87.9°F
Sarasota 87.1°F 88.6°F
Siesta Key 87.1°F 88.6°F
Clearwater Beach 86.8°F 88.5°F
Tampa 86.8°F 88.6°F
Fort Lauderdale 86.8°F 87.2°F
St. George Island 86.7°F 86.5°F
West Palm Beach 86.4°F 86.8°F
Pensacola Beach 86.4°F 86.6°F
Panama City Beach 86.3°F 86.2°F
Hilton Head Island 86.2°F 85.0°F
Santa Rosa Beach 86.2°F 85.9°F
Tybee Island 86.0°F 84.5°F
Destin 86.0°F 86.0°F
Edisto Beach 86.0°F 84.3°F

Best time for vacation in Santa Catalina Island

Sunniest months:
July 23 days
August 23 days
September 21 days
Warmest months:
August 75.8 °F
September 74.6 °F
July 73.4 °F
Warmest sea temp:
August 70.9 °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
+81°F
E 12 mph
Feels like: +81°F
Precip.: 12%
Places in USA:
Name
°F
+68°F
+73°F
+81°F
+99°F
+90°F
+77°F
+70°F
+77°F
+70°F
+86°F
+75°F
+81°F
+79°F
+82°F
+73°F
24 Hours Forecast
Santa Catalina Island
Local time: 17:37
September 07, monday
1800
81°F
E
12 mph
2100
75°F
SE
14 mph
September 08, tuesday
0000
77°F
E
13 mph
0300
77°F
SE
11 mph
0600
77°F
SE
11 mph
0900
77°F
SE
9 mph
1200
79°F
E
12 mph
1500
77°F
E
14 mph
Units of measurement: °C / °F