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

December weather forecast and climate
Julian, CA

December, the first month of the winter, in Julian, is also a fresh month, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 35.4°F (1.9°C).


In Julian, the average high-temperature marginally drops, from a moderate 59.5°F (15.3°C) in November, to a cool 53.1°F (11.7°C). The average low-temperature, in Julian, is 35.4°F (1.9°C).


Throughout December, in Julian, California, 3.6" (90.9mm) of precipitation is accumulated. During the entire year, Julian aggregates up to 24.5" (623.4mm) of precipitation.


January through May, November and December are months with snowfall in Julian, California.


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

What is the temperature in December in Julian?

The average high-temperature, in December, in Julian, is 53.1°F (11.7°C), while the average low-temperature is 35.4°F (1.9°C).

How much does it rain in Julian in December?

In Julian, California, in December, 3.6" (90.9mm) of precipitation is typically accumulated.

How much does it snow in Julian in December?

During December, Julian regularly aggregates up to 2.5" (63.5mm) of snow.

What is the month with the shortest days in Julian?

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

How many hours of daylight does Julian have in December?

The average length of the day in December in Julian, California, is 10h.
Average temperature in December - Julian, CA
  • Average high temperature in December: 53°F

The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in December: 35.5°F

The month with the highest average low temperature is July (59.4°F).
Coldest months (with the lowest average low temperature) are January and February (35.1°F).

Average rainfall in December - Julian, CA
  • Average rainfall in December: 3.6"

The wettest month (with the highest rainfall) is February (5.8").
The driest month (with the lowest rainfall) is June (0.1").

Average snowfall in December - Julian, CA
  • Average snowfall in December: 2.5"

The month with the highest snowfall is March (6.7").
Months with the lowest snowfall are June, July, August, September and October (0").

Average daylight in December - Julian, 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).