Measurements:
°C
°F
Santa Catalina Island
50°F
E 4 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather

7 Day Weather Forecast

12.13
sat
DAY
52°F
SE 6 mph
precip
0%
NIGHT
60°F
SE 8 mph
precip
0%
12.14
sun
DAY
54°F
SE 7 mph
precip
0%
NIGHT
60°F
SE 11 mph
precip
0%
12.15
mon
DAY
56°F
SE 7 mph
precip
0%
NIGHT
62°F
S 1 mph
precip
0%
12.16
tue
DAY
64°F
N 2 mph
precip
0%
NIGHT
64°F
S 2 mph
precip
0%
12.17
wed
DAY
70°F
E 5 mph
precip
0%
NIGHT
66°F
NW 1 mph
precip
0%
12.18
thu
DAY
72°F
SE 2 mph
precip
0%
NIGHT
68°F
N 2 mph
precip
0%
12.19
fri
DAY
70°F
NW 4 mph
precip
0%
NIGHT
62°F
E 2 mph
precip
0%

Santa Catalina Island Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Santa Catalina Island was 15.5°F. The maximum and minimum values were 14.8°F and 16.0°F respectively.

Santa Catalina Island on the Weather Map

Best Time to Visit Santa Catalina Island
The most sunny months:
August 24 days
July 23 days
September 21 days
The most warm months:
August 77.9 °F
September 77.4 °F
July 75.9 °F
Warmest sea temperature:
August 72.7 °F
September 72.6 °F
July 70.7 °F
The most cold months:
March 62.3 °F
December 63.2 °F
January 63.6 °F
The most rainy months:
January 2 days
December 2 days
February 1 day
The most windy months:
March 9 mph
April 7 mph
February 7 mph