California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Newark, CA

The first month of the winter, December, is still a mild month in Newark, California, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 57.9°F (14.4°C).


In Newark, the average high-temperature marginally drops, from a comfortable 64.6°F (18.1°C) in November, to a mild 57.9°F (14.4°C). The average low-temperature, is 41.4°F (5.2°C).


In Newark, 2.5" (62.5mm) of precipitation is typically accumulated. During the entire year, Newark aggregates up to 14.3" (363.9mm) of precipitation.


December has the shortest days of the year in Newark, with an average of 9.6h of daylight.

What is the temperature in December in Newark?

The average high-temperature, in December, in Newark, California, is 57.9°F (14.4°C), while the average low-temperature is 41.4°F (5.2°C).

How much does it rain in Newark in December?

Throughout December, 2.5" (62.5mm) of precipitation is accumulated.

What is the month with the shortest days in Newark?

The month with the shortest days is December, with an average of 9.6h of daylight.

How many hours of daylight does Newark have in December?

In December, the average length of the day is 9.6h.
Average temperature in December - Newark, CA
  • Average high temperature in December: 58°F

The warmest month (with the highest average high temperature) is September (77.3°F).
The month with the lowest average high temperature is January (57.3°F).

  • Average low temperature in December: 41.3°F

The month with the highest average low temperature is August (57°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average rainfall in December - Newark, CA
  • Average rainfall in December: 2.5"

The wettest month (with the highest rainfall) is January (3").
The driest month (with the lowest rainfall) is July (0").

Average daylight in December - Newark, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).