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

December weather forecast and climate
Livermore, CA

A path in the scenic hilly and forest landscape of the iconic Lake Del Valle Regional Park in Livermore, California
A path in the scenic hilly and forest landscape of the iconic Lake Del Valle Regional Park in Livermore, California
The first month of the winter, December, is also a moderate month in Livermore, California, with average temperature ranging between min 37°F (2.8°C) and max 57.6°F (14.2°C).

Temperature

In Livermore, the average high-temperature slightly decreases, from a comfortable 66.4°F (19.1°C) in November, to a mild 57.6°F (14.2°C). The average low-temperature, in December, is 37°F (2.8°C).

Rainfall

In Livermore, during 6 rainfall days, 2.6" (65mm) of precipitation is typically accumulated. Throughout the year, in Livermore, there are 33 rainfall days, and 14.2" (360.3mm) of precipitation is accumulated.

Daylight

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

What is the temperature in December in Livermore?

In Livermore, in December, the average high-temperature is 57.6°F (14.2°C), and the average low-temperature is 37°F (2.8°C).

How much does it rain in Livermore in December?

In Livermore, California, during December, the rain falls for 6 days and regularly aggregates up to 2.6" (65mm) of precipitation.

What is the month with the shortest days in Livermore?

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

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

The average length of the day in December in Livermore is 9.6h.
Average temperature in December - Livermore, CA
  • Average high temperature in December: 57.5°F

The warmest month (with the highest average high temperature) is July (89°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 37°F

The month with the highest average low temperature is July (54.2°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

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

The wettest month (with the highest rainfall) is January (3").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in December - Livermore, CA
  • Average rainfall days in December: 6 days

Months with the highest number of rainy days are January, February and December (6 days).
Months with the lowest number of rainy days are June, July, August and September (0 days).

Average daylight in December - Livermore, 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).