Measurements:
°C
°F
Santa Catalina Island
58°F
SE 11 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather December Weather in Santa Catalina Island

Santa Catalina Island Weather: December

Average Day Temperature: 64.6°F
Average Night Temperature: 57.4°F
Sea Water Temperature: 62.2°F
Number of Sunny Days: 17 days
Sunshine Hours: 9.9 - 10.1 hours
Number of Rainy Days: 3 days
Precipitation Totals: 0.9 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 70°F. The lowest night temperature was 58°F. The average values for day and night temperatures during December were 64.5°F и 63.7°F respectivly.

Santa Catalina Island Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for Santa Catalina Island was 63.9°F. The maximum and minimum values were 62.4°F and 65.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Santa Catalina Island is 0.9 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 6.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santa Catalina Island in December is 6.8 hours.

Best Time to Visit Santa Catalina Island
The most sunny months:
August 29 days
July 28 days
September 24 days
The most warm months:
August 79.4 °F
September 78.8 °F
July 77.7 °F
Warmest sea temperature:
August 72.9 °F
September 72.6 °F
July 70.8 °F
The most cold months:
March 63.3 °F
January 64.6 °F
December 64.6 °F
The most rainy months:
December 3 days
January 2 days
February 1 day
The most windy months:
March 8 mph
April 7 mph
May 7 mph

Santa Catalina Island on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +60
Los Angeles +74
Maui +74
Miami +86
New York +48
San Diego +72
San Francisco +58
Sarasota +76
Tampa +76
Washington +52
24 Hours Weather Forecast
Santa Catalina Island
Local time: 13:22
21 nov, thursday
1500 56°F
E
12 mph
1800 56°F
SE
12 mph
2100 56°F
SE
13 mph
22 nov, friday
0000 56°F
SE
10 mph
0300 56°F
SE
11 mph
0600 56°F
SE
12 mph
0900 52°F
SE
11 mph
1200 50°F
SE
9 mph