San Nicolas Island
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
San Nicolas Island, CA

December, the first month of the winter, in San Nicolas Island, is still a comfortable month, with average temperature varying between 51.8°F (11°C) and 62.4°F (16.9°C).

Temperature

In San Nicolas Island, California, the average high-temperature is relatively the same as in November - a still comfortable 62.4°F (16.9°C). In San Nicolas Island, California, the average low-temperature is 51.8°F (11°C).

Rainfall

In San Nicolas Island, during 6 rainfall days, 1.8" (46.7mm) of precipitation is typically accumulated. In San Nicolas Island, California, during the entire year, the rain falls for 39 days and collects up to 8.6" (217.8mm) of precipitation.

Daylight

With an average of 10h of daylight, December has the shortest days of the year.

What is the temperature in December in San Nicolas Island?

In December, the average high-temperature is 62.4°F (16.9°C), and the average low-temperature is 51.8°F (11°C).

How many days does it rain in December in San Nicolas Island?

In San Nicolas Island, during December, the rain falls for 6 days and regularly aggregates up to 1.8" (46.7mm) of precipitation.

What is the month with the shortest days in San Nicolas Island?

December has the shortest days of the year, with an average of 10h of daylight.

How many hours of daylight does San Nicolas Island have in December?

The average length of the day in December is 10h.
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").
Driest months (with the lowest 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 lowest number of rainy days is August (0 days).

Average daylight in December - San Nicolas Island, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).