World Resorts USA Santa Catalina Island Weather

Santa Catalina Island sea water temperature

Current sea water temperature:
+60.1°F
Minimum sea water temperature in April: 64.0°F
Maximum sea water temperature in April: 56.3°F
Average sea water temperature in April: 60.0°F

Sea water temperature for the last 10 days:

April 28 60.1°F April 23 60.3°F
April 27 60.3°F April 22 60.4°F
April 26 60.3°F April 21 60.3°F
April 25 60.3°F April 20 59.9°F
April 24 60.6°F April 19 59.4°F

When is the warmest sea in Santa Catalina Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Catalina Island was noticed in August, September and July.

Monthly Sea Temperatures in Santa Catalina Island, °F

Sea water temperature in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 69.9°F. The highest and lowest sea temperatures during the month were 71.6°F and 68.7°F.

Sea water temperature in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 69.6°F. The highest and lowest sea temperatures during the month were 72.1°F and 67.5°F.

Sea water temperature in July, °F

Show year:
2023
2022
2021

The average sea water temperature in July of 2023 was 67.7°F. The highest and lowest sea temperatures during the month were 71.8°F and 64.6°F.

Best time for vacation in Santa Catalina Island

Sunniest months:
July 30 days
August 29 days
September 27 days
Warmest months:
August 78.8 °F
September 78.3 °F
July 77.3 °F
Warmest sea temp:
August 70.6 °F
September 70.6 °F
July 68.7 °F
Coldest months:
March 62.0 °F
January 63.2 °F
December 63.2 °F
Rainiest months:
December 3 days
January 2 days
February 1 day
Windiest months:
March 8.3 mph
April 7.5 mph
May 7.4 mph

Santa Catalina Island on a weather map

Santa Catalina Island
+61°F
S 2 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+66°F
+75°F
+81°F
+77°F
+64°F
+75°F
+66°F
+66°F
+63°F
+55°F
+70°F
+70°F
+75°F
+61°F
24 Hours Forecast
Santa Catalina Island
Local time: 21:32
April 29, monday
0000
55°F
N
4 mph
0300
61°F
NW
7 mph
0600
61°F
W
5 mph
0900
63°F
W
5 mph
1200
63°F
NE
4 mph
1500
57°F
E
9 mph
1800
55°F
E
9 mph
2100
55°F
NE
5 mph
Units of measurement: °C / °F