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

December weather forecast and climate
Glendora, CA

The beautiful city of Glendora, California, surrounded by the vast mountain ranges
The beautiful city of Glendora, California, surrounded by the vast mountain ranges
December, the first month of the winter, in Glendora, is still a pleasant month, with temperature in the range of an average high of 68°F (20°C) and an average low of 42.1°F (5.6°C).

Temperature

January and December, with an average high-temperature of 68°F (20°C), are the coldest months.

Rainfall

During December, Glendora regularly aggregates up to 2.4" (62.2mm) of precipitation. Throughout the year, 18.2" (461.4mm) of rain is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.9h of daylight.

What are the coldest months in Glendora?

January and December, with an average high-temperature of 68°F (20°C), are the coldest months in Glendora, California.

What is the temperature in December in Glendora?

In December, the average high-temperature is 68°F (20°C), and the average low-temperature is 42.1°F (5.6°C).

How much does it rain in Glendora in December?

Throughout December, in Glendora, 2.4" (62.2mm) of precipitation is accumulated.

What is the month with the shortest days in Glendora?

December has the shortest days of the year, with an average of 9.9h of daylight.

How many hours of daylight does Glendora have in December?

In December, the average length of the day in Glendora, California, is 9.9h.
Average temperature in December - Glendora, CA
  • Average high temperature in December: 68°F

The warmest month (with the highest average high temperature) is August (92°F).
Months with the lowest average high temperature are January and December (68°F).

  • Average low temperature in December: 42°F

Months with the highest average low temperature are July and August (62°F).
The coldest month (with the lowest average low temperature) is December (42°F).

Average rainfall in December - Glendora, CA
  • Average rainfall in December: 2.5"

The wettest month (with the highest rainfall) is February (4.8").
Driest months (with the lowest rainfall) are July and August (0").

Average daylight in December - Glendora, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).