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

December weather forecast and climate
Pasadena, CA

The iconic intricate design of the classical Pasadena City Hall in California, with neon-lit paths and natural gardens, under a perfect blue night sky
The iconic intricate design of the classical Pasadena City Hall in California, with neon-lit paths and natural gardens, under a perfect blue night sky
The first month of the winter, December, is also an agreeable month in Pasadena, California, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 68°F (20°C).

Temperature

In December, the average high-temperature slightly decreases, from a moderately hot 73.8°F (23.2°C) in November, to a pleasant 68°F (20°C). The average low-temperature, in Pasadena, is 44.1°F (6.7°C).

Rainfall

In Pasadena, California, during December, it is raining for 4.8 days. Throughout the year, in Pasadena, there are 43.8 rainfall days.

Daylight

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

What is the temperature in December in Pasadena?

In Pasadena, California, in December, the average high-temperature is 68°F (20°C), and the average low-temperature is 44.1°F (6.7°C).

How many days does it rain in December in Pasadena?

In Pasadena, California, during December, it is raining for 4.8 days.

What is the month with the shortest days in Pasadena?

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

How many hours of daylight does Pasadena have in December?

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

The warmest month (with the highest average high temperature) is August (90.6°F).
The month with the lowest average high temperature is January (67.8°F).

  • Average low temperature in December: 44.1°F

The month with the highest average low temperature is August (62°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).

Average rainfall days in December - Pasadena, CA
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is March (7.7 days).
The month with the lowest number of rainy days is July (0.5 days).

Average daylight in December - Pasadena, 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).