World Resorts USA Santa Catalina Island Weather

Santa Catalina Island 7 Days Forecast

16.12
tue
Day
61°F
NW 2 mph
Precip.
0%
Night
59°F
NE 2 mph
Precip.
0%
17.12
wed
Day
55°F
SE 5 mph
Precip.
0%
Night
59°F
SE 9 mph
Precip.
0%
18.12
thu
Day
57°F
S 5 mph
Precip.
0%
Night
66°F
E 5 mph
Precip.
0%
19.12
fri
Day
68°F
NE 2 mph
Precip.
0%
Night
59°F
SE 4 mph
Precip.
0%
20.12
sat
Day
64°F
NW 4 mph
Precip.
0%
Night
61°F
E 2 mph
Precip.
0%
21.12
sun
Day
68°F
E 4 mph
Precip.
0%
Night
63°F
SE 7 mph
Precip.
0%
22.12
mon
Day
66°F
SE 3 mph
Precip.
0%
Night
63°F
NE 3 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 63.7°F and 63.0°F.

Air temperature in Santa Catalina Island, °F

Precipitation total in Santa Catalina Island, in.

* Charts above show average data for the last 3 years.

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

Current weather
06:12
Santa Catalina Island
+57°F
E 2 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+25°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+46°F
Los Angeles
+54°F
Miami
+68°F
Miami Beach
+72°F
Maui
+70°F
New York
+23°F
San Diego
+54°F
San Francisco
+46°F
Sarasota
+54°F
Tampa
+52°F
Houston
+43°F
Chicago
+18°F
all places
24 Hours Forecast
Santa Catalina Island
Local time: 06:12
December 16, tuesday
0900
59°F
NE
2 mph
1200
61°F
NW
2 mph
1500
59°F
E
2 mph
1800
61°F
E
5 mph
2100
59°F
E
5 mph
December 17, wednesday
0000
59°F
NE
2 mph
0300
57°F
NE
2 mph
0600
57°F
SE
4 mph
Units of measurement: °C / °F