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

December weather forecast and climate
Glennville, CA

The first month of the winter, December, is still a mild month in Glennville, California, with average temperature varying between 28.4°F (-2°C) and 57.2°F (14°C).


In Glennville, the average high-temperature marginally drops, from a comfortable 62.6°F (17°C) in November, to a mild 57.2°F (14°C). In Glennville, the average low-temperature is 28.4°F (-2°C).


During December, Glennville regularly aggregates up to 3.1" (79mm) of precipitation. Throughout the year, in Glennville, 19.5" (495mm) of rain is accumulated.


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

What is the temperature in December in Glennville?

In December, in Glennville, California, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 28.4°F (-2°C).

How much does it rain in Glennville in December?

In Glennville, California, in December, 3.1" (79mm) of precipitation is typically accumulated.

What is the month with the shortest days in Glennville?

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

How many hours of daylight does Glennville have in December?

The average length of the day in December in Glennville is 9.8h.
Average temperature in December - Glennville, CA
  • Average high temperature in December: 57.2°F

Warmest months (with the highest average high temperature) are July and August (89.6°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (51.8°F).
Coldest months (with the lowest average low temperature) are January and December (28.4°F).

Average rainfall in December - Glennville, CA
  • Average rainfall in December: 3.1"

The wettest month (with the highest rainfall) is January (3.7").
The driest month (with the lowest rainfall) is July (0").

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).