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

December weather forecast and climate
Danville, CA

Magnificent views of the hills surrounding Mt. Diablo State Park located in Contra Costa County in Danville, California
Magnificent views of the hills surrounding Mt. Diablo State Park located in Contra Costa County in Danville, California
December, the first month of the winter, in Danville, is still a mild month, with average temperature fluctuating between 55.9°F (13.3°C) and 39°F (3.9°C).

Temperature

The coldest months are January and December, with an average high-temperature of 55.9°F (13.3°C).

Rainfall

During December, Danville regularly aggregates up to 2.6" (65.5mm) of precipitation. Throughout the year, in Danville, 15.3" (389.4mm) of rain is accumulated.

Daylight

With an average of 9.6h of daylight, December has the shortest days of the year in Danville.

What are the coldest months in Danville?

January and December, with an average high-temperature of 55.9°F (13.3°C), are the coldest months.

What is the temperature in December in Danville?

In December, in Danville, California, the average high-temperature is 55.9°F (13.3°C), and the average low-temperature is 39°F (3.9°C).

How much does it rain in Danville in December?

During December, Danville regularly aggregates up to 2.6" (65.5mm) of precipitation.

What is the month with the shortest days in Danville?

With an average of 9.6h of daylight, December has the shortest days of the year in Danville.

What is the average length of the day in December in Danville?

In Danville, California, the average length of the day in December is 9.6h.
Average temperature in December - Danville, CA
  • Average high temperature in December: 56°F

The warmest month (with the highest average high temperature) is July (89°F).
Months with the lowest average high temperature are January and December (56°F).

  • Average low temperature in December: 39°F

Months with the highest average low temperature are July and August (57°F).
Coldest months (with the lowest average low temperature) are January and December (39°F).

Average rainfall in December - Danville, CA
  • Average rainfall in December: 2.6"

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

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

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).