Weather in Santa Cruz Island: December
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Average day temperature: | 77.9°F |
Average night temperature: | 71.5°F | |
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Sea water temperature: | 73.5°F |
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Number of sunny days: | 4 days |
Day length: | 12.1 - 12.2 hours | |
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Number of rainy days: | 0 days |
Precipitation totals: | 0.0 in. | |
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Santa Cruz Island |
temperature
Santa Cruz Island |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 79°F. At the same time the lowest night temperature was 69°F. Day and night temperature averages during December were 77.9°F and 72.4°F.
Sea water temperature in Santa Cruz Island in December, °F
The average sea water temperature in December of 2024 was 73.2°F. The highest and lowest sea temperatures during the month were 74.7°F and 72.3°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in December are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Santa Cruz Island in December is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 8.8 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 6.3.
Best time for vacation in Santa Cruz Island
Santa Cruz Island on a weather map

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