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

December weather forecast and climate
Fairfield, CA

The first month of the winter, December, is also a moderate month in Fairfield, California, with average temperature ranging between max 55.9°F (13.3°C) and min 37.9°F (3.3°C).

Temperature

In Fairfield, the average high-temperature in December drops, from an enjoyable 65.5°F (18.6°C) in November, to a moderate 55.9°F (13.3°C). In December, in Fairfield, the average low-temperature is 37.9°F (3.3°C).

Rainfall

In Fairfield, during 10 rainfall days, 4.3" (109.2mm) of precipitation is typically accumulated. In Fairfield, during the entire year, the rain falls for 61 days and collects up to 22.7" (576.1mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9.5h of daylight.

What is the temperature in December in Fairfield?

In Fairfield, in December, the average high-temperature is 55.9°F (13.3°C), and the average low-temperature is 37.9°F (3.3°C).

How much does it rain in Fairfield in December?

In December, the rain falls for 10 days. Throughout December, 4.3" (109.2mm) of precipitation is accumulated.

What is the month with the shortest days in Fairfield?

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

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

The average length of the day in December in Fairfield is 9.5h.
Average temperature in December - Fairfield, CA
  • Average high temperature in December: 56°F

The warmest month (with the highest average high temperature) is July (89°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 37.9°F

Months with the highest average low temperature are July and August (56°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average rainfall in December - Fairfield, CA
  • Average rainfall in December: 4.3"

The wettest month (with the highest rainfall) is January (4.8").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in December - Fairfield, CA
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is January (11 days).
Months with the lowest number of rainy days are July and August (0 days).

Average daylight in December - Fairfield, 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).