World Resorts USA Santa Catalina Island Weather

Santa Catalina Island 14 Days Forecast

28.12
sun
Day
59°F
S 10 mph
Precip.
0%
Night
59°F
S 9 mph
Precip.
0%
29.12
mon
Day
59°F
SW 13 mph
Precip.
0%
Night
59°F
SW 11 mph
Precip.
0%
30.12
tue
Day
57°F
SW 9 mph
Precip.
0%
Night
66°F
SW 10 mph
Precip.
0%
31.12
wed
Day
61°F
N 9 mph
Precip.
0%
Night
61°F
NE 6 mph
Precip.
0%
01.01
thu
Day
63°F
NW 19 mph
Precip.
100%
Night
63°F
NW 7 mph
Precip.
100%
02.01
fri
Day
66°F
N 4 mph
Precip.
72%
Night
63°F
SE 2 mph
Precip.
0%
03.01
sat
Day
66°F
W 3 mph
Precip.
0%
Night
61°F
E 5 mph
Precip.
0%
04.01
sun
Day
66°F
NW 3 mph
Precip.
0%
Night
61°F
E 5 mph
Precip.
0%
05.01
mon
Day
66°F
SE 2 mph
Precip.
0%
Night
63°F
SE 7 mph
Precip.
0%
06.01
tue
Day
66°F
SE 6 mph
Precip.
0%
Night
61°F
E 9 mph
Precip.
0%
07.01
wed
Day
64°F
SE 9 mph
Precip.
0%
Night
61°F
E 14 mph
Precip.
0%
08.01
thu
Day
63°F
E 12 mph
Precip.
100%
Night
59°F
E 9 mph
Precip.
77%
09.01
fri
Day
61°F
E 27 mph
Precip.
100%
Night
55°F
SE 14 mph
Precip.
0%
10.01
sat
Day
54°F
SW 6 mph
Precip.
0%
Night
52°F
E 9 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.0°F. The highest and lowest sea temperatures during the month were 63.7°F and 61.9°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 59.9°F and 57.4°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

Santa Catalina Island
+63°F
SE 8 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+75°F
+75°F
+59°F
+68°F
+77°F
+75°F
+72°F
+32°F
+72°F
+54°F
+72°F
+73°F
+77°F
+48°F
24 Hours Forecast
Santa Catalina Island
Local time: 15:58
December 28, sunday
1800
63°F
SE
8 mph
2100
61°F
SE
10 mph
December 29, monday
0000
59°F
S
9 mph
0300
57°F
SW
11 mph
0600
55°F
SW
12 mph
0900
55°F
SW
14 mph
1200
59°F
SW
13 mph
1500
66°F
S
9 mph
Units of measurement: °C / °F