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

December weather forecast and climate
Atascadero, CA

A scenic shot of the trees and the perfectly manicured grounds of the Sunken Gardens Park overlooking the Atascadero City Hall in California
A scenic shot of the trees and the perfectly manicured grounds of the Sunken Gardens Park overlooking the Atascadero City Hall in California
December, the first month of the winter, in Atascadero, is also an enjoyable month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 30.9°F (-0.6°C).

Temperature

In Atascadero, the average high-temperature slightly decreases, from a pleasant 68°F (20°C) in November, to a comfortable 62.1°F (16.7°C). In December, the average low-temperature is 30.9°F (-0.6°C).

Rainfall

During December, Atascadero regularly aggregates up to 1.9" (49.3mm) of precipitation. During the entire year, Atascadero aggregates up to 14.7" (373.7mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 9.8h of daylight.

What is the temperature in December in Atascadero?

The average high-temperature, in December, is 62.1°F (16.7°C), while the average low-temperature is 30.9°F (-0.6°C).

How much does it rain in Atascadero in December?

Throughout December, in Atascadero, 1.9" (49.3mm) of precipitation is accumulated.

What is the month with the shortest days in Atascadero?

With an average of 9.8h of daylight, December has the shortest days of the year in Atascadero.

How many hours of daylight does Atascadero have in December?

In December, the average length of the day in Atascadero, California, is 9.8h.
Average temperature in December - Atascadero, CA
  • Average high temperature in December: 62°F

The warmest month (with the highest average high temperature) is August (92°F).
The month with the lowest average high temperature is January (61°F).

  • Average low temperature in December: 31°F

Months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is December (31°F).

Average rainfall in December - Atascadero, CA
  • Average rainfall in December: 1.9"

The wettest month (with the highest rainfall) is February (3.3").
Driest months (with the lowest rainfall) are June and July (0").

Average daylight in December - Atascadero, CA
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).