Weather in December
The first month of the winter, December, is still a comfortable month in San Nicolas Island, California, with an average temperature varying between 62.4°F (16.9°C) and 51.8°F (11°C).
On the first day of the month, sunrise is at 6:44 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:01 am and sunset at 5:01 pm PST.
Temperature
San Nicolas Island transitions into December recording an average high-temperature of a still refreshing 62.4°F (16.9°C), closely aligning with the preceding month's temperature. An average low-temperature of 51.8°F (11°C) is noted in San Nicolas Island during the month of December.Rainfall
In San Nicolas Island, during December, the rain falls for 6 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 39 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:01 am and sunset at 5:01 pm PST.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
During December, San Nicolas Island experiences an average high-temperature of 62.4°F (16.9°C) and a low-temperature of 51.8°F (11°C).
How many days does it rain in December?
In San Nicolas Island, in December, it is raining for 6 days, with typically 1.85" (47mm) of accumulated precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
How many hours of daylight does San Nicolas Island have in December?
In San Nicolas Island, the average day length in December is 10h and 0min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 6:44 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:01 pm PST.
Average temperature in December
San Nicolas Island, CA
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is September (71.1°F).
The month with the lowest average high temperature is February (60.5°F).
- Average low temperature in December: 51.8°F
The month with the highest average low temperature is September (58.4°F).
The coldest month (with the lowest average low temperature) is January (50.1°F).
Average rainfall in December
San Nicolas Island, CA
- Average rainfall in December: 1.8"
The wettest month (with the highest rainfall) is February (2").
The driest months (with the least rainfall) are June and July (0").
Average rainfall days in December
San Nicolas Island, CA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is February (7 days).
The month with the least rainy days is August (0 days).
Average daylight in December
San Nicolas Island, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
San Nicolas Island, California, USA
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