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

December weather forecast and climate
Concord, CA

The first month of the winter, December, is also a moderate month in Concord, California, with average temperature ranging between min 41.4°F (5.2°C) and max 57.7°F (14.3°C).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 65.7°F (18.7°C) in November, to a moderate 57.7°F (14.3°C). The average low-temperature, in December, is 41.4°F (5.2°C).

Rainfall

In Concord, California, it is raining for 10 days, with typically 3.7" (93.7mm) of accumulated precipitation. In Concord, during the entire year, the rain falls for 61 days and collects up to 18.4" (467mm) of precipitation.

Daylight

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

What is the temperature in December in Concord?

In December, in Concord, the average high-temperature is 57.7°F (14.3°C), and the average low-temperature is 41.4°F (5.2°C).

How many days does it rain in December in Concord?

In Concord, California, in December, during 10 rainfall days, 3.7" (93.7mm) of precipitation is typically accumulated.

What is the month with the shortest days in Concord?

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

How many hours of daylight does Concord have in December?

In December, the average length of the day is 9.6h.
Average temperature in December - Concord, CA
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in December: 41.3°F

The month with the highest average low temperature is August (58.4°F).
The coldest month (with the lowest average low temperature) is December (41.3°F).

Average rainfall in December - Concord, CA
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is February (3.9").
Driest months (with the lowest rainfall) are July, August and September (0").

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

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

Average daylight in December - Concord, 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).