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

December weather forecast and climate
Martinez, CA

A cow grazing in the vast Martinez Hills
A cow grazing in the vast Martinez Hills' fields near a forest over a valley found near Martinez Town, California, a cool and sunny day with a clear sky
December, the first month of the winter, in Martinez, is still a cool month, with average temperature ranging between min 39°F (3.9°C) and max 55°F (12.8°C).

Temperature

In Martinez, the average high-temperature in December slightly decreases, from a comfortable 63°F (17.2°C) in November, to a cool 55°F (12.8°C). In December, in Martinez, the average low-temperature is 39°F (3.9°C).

Rainfall

In Martinez, 2.8" (70.9mm) of precipitation is typically accumulated. Throughout the year, 19.6" (497.9mm) of rain is accumulated.

Daylight

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

What is the temperature in December in Martinez?

In December, in Martinez, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 39°F (3.9°C).

How much does it rain in Martinez in December?

Throughout December, in Martinez, 2.8" (70.9mm) of precipitation is accumulated.

What is the month with the shortest days in Martinez?

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

How many hours of daylight does Martinez have in December?

The average length of the day in December in Martinez is 9.6h.
Average temperature in December - Martinez, CA
  • Average high temperature in December: 55°F

Warmest months (with the highest average high temperature) are July and August (87°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in December: 39°F

Months with the highest average low temperature are July and August (55°F).
Coldest months (with the lowest average low temperature) are January and December (39°F).

Average rainfall in December - Martinez, CA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is January (4.3").
The driest month (with the lowest rainfall) is July (0").

Average daylight in December - Martinez, 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).