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

December weather forecast and climate
Antioch, CA

A high bridge passing over the famous San Joaquin River Delta in Antioch, California
A high bridge passing over the famous San Joaquin River Delta in Antioch, California
December, the first month of the winter, in Antioch, is also a fresh month, with average temperature fluctuating between 54.9°F (12.7°C) and 37.4°F (3°C).

Temperature

In December, the average high-temperature decreases, from a comfortable 64.4°F (18°C) in November, to a fresh 54.9°F (12.7°C). In Antioch, California, the average low-temperature is 37.4°F (3°C).

Rainfall

In Antioch, it is raining for 9 days, with typically 2.2" (55.9mm) of accumulated precipitation. Throughout the year, in Antioch, there are 54 rainfall days, and 13.2" (335.8mm) of precipitation is accumulated.

Daylight

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

What is the temperature in December in Antioch?

The average high-temperature, in December, in Antioch, is 54.9°F (12.7°C), while the average low-temperature is 37.4°F (3°C).

How much does it rain in Antioch in December?

In Antioch, California, in December, it is raining for 9 days, with typically 2.2" (55.9mm) of accumulated precipitation.

What is the month with the shortest days in Antioch?

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

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

The average length of the day in December is 9.6h.
Average temperature in December - Antioch, CA
  • Average high temperature in December: 54.9°F

The warmest month (with the highest average high temperature) is July (91.1°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (37.1°F).

Average rainfall in December - Antioch, CA
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is January (2.8").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in December - Antioch, CA
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is January (10 days).
Months with the lowest number of rainy days are July and August (0 days).

Average daylight in December - Antioch, 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).