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

December weather forecast and climate
Orinda, CA

The first month of the winter, December, is still a mild month in Orinda, California, with average temperature ranging between min 36°F (2.2°C) and max 55.9°F (13.3°C).

Temperature

In December, the average high-temperature decreases, from a comfortable 64.9°F (18.3°C) in November, to a moderate 55.9°F (13.3°C). The average low-temperature, in Orinda, is 36°F (2.2°C).

Rainfall

The month with the most rainfall in Orinda is December when the rain falls for 11 days and typically aggregates up to 6.2" (158.5mm) of precipitation.

Daylight

The month with the shortest days in Orinda, California, is December, with an average of 9.6h of daylight.

What is the temperature in December in Orinda?

In December, in Orinda, California, the average high-temperature is 55.9°F (13.3°C), and the average low-temperature is 36°F (2.2°C).

How many days does it rain in December in Orinda?

In Orinda, in December, during 11 rainfall days, 6.2" (158.5mm) of precipitation is typically accumulated.

What is the wettest month in Orinda?

December is the month with the most rainfall in Orinda, California. Rain falls for 11 days and accumulates 6.2" (158.5mm) of precipitation.

What is the month with the shortest days in Orinda?

With an average of 9.6h of daylight, December has the shortest days of the year in Orinda.

What is the average length of the day in December in Orinda?

In Orinda, California, the average length of the day in December is 9.6h.
Average temperature in December - Orinda, CA
  • Average high temperature in December: 56°F

The warmest month (with the highest average high temperature) is September (83°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average rainfall in December - Orinda, CA
  • Average rainfall in December: 6.2"

The wettest month (with the highest rainfall) is December (6.2").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in December - Orinda, CA
  • Average rainfall days in December: 11 days

Months with the highest number of rainy days are January and December (11 days).
The month with the lowest number of rainy days is July (0 days).

Average daylight in December - Orinda, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).