World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Temperature in July

Average sea water temperature in July:
+68.6°F
Minimum sea water temperature in July: 72.0°F
Maximum sea water temperature in July: 64.4°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 68.9°F. The highest and lowest sea temperatures during the month were 71.1°F and 66.7°F.

Monthly sea water temperature in Santa Catalina Island, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.7°F 86.7°F
Clearwater Beach 88.3°F 87.1°F
St. Petersburg 88.1°F 87.0°F
Naples 87.9°F 86.6°F
Tampa 87.9°F 86.8°F
Sarasota 87.9°F 86.9°F
Siesta Key 87.8°F 86.9°F
Miami 87.5°F 86.3°F
New Orleans 87.3°F 87.4°F
Miami Beach 87.0°F 86.0°F
Fort Lauderdale 86.6°F 85.0°F
Houston 86.6°F 86.3°F
Pensacola 86.2°F 86.9°F
Miramar Beach 86.1°F 86.2°F
West Palm Beach 86.1°F 84.6°F
Destin 86.0°F 86.3°F
Panama City Beach 86.0°F 86.3°F
Charleston (SC) 85.7°F 84.7°F
Isle of Palms 85.4°F 84.3°F
Corpus Christi 85.3°F 85.3°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:
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
+73°F
NW 4 mph
Feels like: +77°F
Precip.: 6%
Places in USA:
Name
°F
+84°F
+75°F
+100°F
+79°F
+93°F
+84°F
+70°F
+88°F
+86°F
+77°F
+61°F
+77°F
+91°F
+90°F
+73°F
24 Hours Forecast
Santa Catalina Island
Local time: 09:22
July 24, friday
1200
84°F
N
6 mph
1500
86°F
NE
4 mph
1800
70°F
E
2 mph
2100
68°F
E
2 mph
July 25, saturday
0000
68°F
NE
3 mph
0300
66°F
NE
1 mph
0600
66°F
E
2 mph
0900
68°F
N
1 mph
Units of measurement: °C / °F