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

December weather forecast and climate
Mission Viejo, CA

The calm waters on Lake Mission Viejo, California, and a view of the lakeside homes and trees, a distant view of high hills, light clouds in the sky
The calm waters on Lake Mission Viejo, California, and a view of the lakeside homes and trees, a distant view of high hills, light clouds in the sky
The first month of the winter, December, is still a comfortable month in Mission Viejo, California, with average temperature ranging between min 43°F (6.1°C) and max 66.9°F (19.4°C).

Temperature

With an average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 43°F (6.1°C), December is the coldest month.

Rainfall

Throughout December, 2.4" (60.5mm) of precipitation is accumulated. Throughout the year, 13.9" (354.1mm) of rain is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h of daylight.

What is the coldest month in Mission Viejo?

With an average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 43°F (6.1°C), December is the coldest month.

What is the temperature in December in Mission Viejo?

In December, in Mission Viejo, California, the average high-temperature is 66.9°F (19.4°C), and the average low-temperature is 43°F (6.1°C).

How much does it rain in Mission Viejo in December?

In Mission Viejo, in December, 2.4" (60.5mm) of precipitation is typically accumulated.

What is the month with the shortest days in Mission Viejo?

The month with the shortest days in Mission Viejo is December, with an average of 10h of daylight.

How many hours of daylight does Mission Viejo have in December?

In Mission Viejo, the average length of the day in December is 10h.
Average temperature in December - Mission Viejo, CA
  • Average high temperature in December: 67°F

Warmest months (with the highest average high temperature) are August and September (80°F).
The month with the lowest average high temperature is December (67°F).

  • Average low temperature in December: 43°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (43°F).

Average rainfall in December - Mission Viejo, CA
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is February (3.4").
The driest month (with the lowest rainfall) is August (0").

Average daylight in December - Mission Viejo, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).