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

December weather forecast and climate
Fort Ross, CA

The first month of the winter, December, is still a mild month in Fort Ross, California, with average temperature varying between 57.6°F (14.2°C) and 41.7°F (5.4°C).

Temperature

In Fort Ross, the average high-temperature is relatively the same as in November - a moderate 57.6°F (14.2°C). In Fort Ross, in December, the average low-temperature is 41.7°F (5.4°C).

Rainfall

In Fort Ross, during 12 rainfall days, 6.8" (173.5mm) of precipitation is typically accumulated. Throughout the year, there are 79 rainfall days, and 40.6" (1031.5mm) of precipitation is accumulated.

Daylight

With an average of 9.5h of daylight, December has the shortest days of the year.

What is the temperature in December in Fort Ross?

In Fort Ross, in December, the average high-temperature is 57.6°F (14.2°C), and the average low-temperature is 41.7°F (5.4°C).

How much does it rain in Fort Ross in December?

In December, in Fort Ross, the rain falls for 12 days. Throughout December, 6.8" (173.5mm) of precipitation is accumulated.

What is the month with the shortest days in Fort Ross?

December has the shortest days of the year, with an average of 9.5h of daylight.

What is the average length of the day in December in Fort Ross?

In Fort Ross, California, the average length of the day in December is 9.5h.
Average temperature in December - Fort Ross, CA
  • Average high temperature in December: 57.5°F

The warmest month (with the highest average high temperature) is September (68°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 41.7°F

The month with the highest average low temperature is September (49°F).
Coldest months (with the lowest average low temperature) are January and December (41.7°F).

Average rainfall in December - Fort Ross, CA
  • Average rainfall in December: 6.8"

The wettest month (with the highest rainfall) is January (8.5").
The driest month (with the lowest rainfall) is July (0.1").

Average rainfall days in December - Fort Ross, CA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is January (13 days).
Months with the lowest number of rainy days are July and August (1 days).

Average daylight in December - Fort Ross, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).