December weather forecast and climate
Irvine, CA

A unique sunrise sky view over the neon-lit city of Irvine in California, with highway lights, and the distant hill ranges and skyscape
A unique sunrise sky view over the neon-lit city of Irvine in California, with highway lights, and the distant hill ranges and skyscape

Temperature

With an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 45.7°F (7.6°C), December is the coldest month in Irvine.

Rainfall

During December, Irvine regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Irvine, California, 14.3" (363.9mm) of rain is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.9h of daylight.

What is the coldest month in Irvine?

The coldest month in Irvine is December, with an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 45.7°F (7.6°C).

What is the temperature in December in Irvine?

In Irvine, in December, the average high-temperature is 67.1°F (19.5°C), and the average low-temperature is 45.7°F (7.6°C).

How much does it rain in Irvine in December?

In Irvine, in December, 2.4" (61mm) of precipitation is typically accumulated.

What is the month with the shortest days in Irvine?

The month with the shortest days in Irvine is December, with an average of 9.9h of daylight.

How many hours of daylight does Irvine have in December?

The average length of the day in December in Irvine, California, is 9.9h.
Average temperature in December - Irvine, CA
  • Average high temperature in December: 67.1°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (67.1°F).

  • Average low temperature in December: 45.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (45.6°F).

Average rainfall in December - Irvine, CA
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is February (3.3").
Driest months (with the lowest rainfall) are June, July and August (0.1").

Average daylight in December - Irvine, 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).

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