December weather forecast
Woodbridge, CA

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Weather in December

December, the first month of the winter in Woodbridge, is still a cool month, with an average temperature varying between 55.2°F (12.9°C) and 40.8°F (4.9°C).

Temperature

The month of December, characterized by an average high of 55.2°F (12.9°C) and a low of 40.8°F (4.9°C), is recognized as the coldest.

Humidity

In December, the average relative humidity is 71%.

Rainfall

In Woodbridge, during December, the rain falls for 8.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Woodbridge, California, there are 65.8 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. The month with the most snowfall days in Woodbridge is December, when snow falls for 0.1 days.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:55 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.9h of sunshine.

UV index

The months with the lowest UV index in Woodbridge, California, are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What month is the coldest in Woodbridge?

In Woodbridge, the average lowest temperatures are observed in December, with a high of 55.2°F (12.9°C) and a low of 40.8°F (4.9°C).

What is the usual temperature for Woodbridge in December?

In Woodbridge, 55.2°F (12.9°C) is the average high-temperature and 40.8°F (4.9°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in December in Woodbridge?

In December, the average relative humidity in Woodbridge is 71%.

How much does it rain in Woodbridge in December?

In Woodbridge, in December, it is raining for 8.9 days, with typically 2.13" (54mm) of accumulated precipitation.

What is the snowiest month in Woodbridge?

The month with the most snowfall days is December, when snow falls for 0.1 days.

When does it start snowing in Woodbridge?

December is the first month it typically snows in Woodbridge. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Woodbridge?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Woodbridge have in December?

The average day length in December is 9h and 34min.

What time are sunrise and sunset in December in Woodbridge?

On the first day of December in Woodbridge, California, sunrise is at 7:03 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:55 pm PST.

What is the month with the least sunshine in Woodbridge?

The month with the least sunshine in Woodbridge is December, with an average of 5.9h of sunshine.

How long on average sun shines in December in Woodbridge?

In December, the average sunshine duration is 5.9h.

What is the month with the lowest UV index in Woodbridge?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

How high is the UV index in December in Woodbridge?

In December, the average daily maximum UV index in Woodbridge is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Woodbridge, CA

Average temperature in December - Woodbridge, CA
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in December: 40.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).

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Average pressure in December
Woodbridge, CA

Average pressure in December - Woodbridge, CA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Woodbridge, CA

Average wind speed in December - Woodbridge, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in December
Woodbridge, CA

Average humidity in December - Woodbridge, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).

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Average rainfall in December
Woodbridge, CA

Average rainfall in December - Woodbridge, CA
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Woodbridge, CA

Average rainfall days in December - Woodbridge, CA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is July (0.9 days).

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Average snowfall days in December
Woodbridge, CA

Average snowfall days in December - Woodbridge, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Woodbridge, CA

Average daylight in December / Average sunshine in December - Woodbridge, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in December
Woodbridge, CA

Average sunshine days in December - Woodbridge, CA
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index in December
Woodbridge, CA

Average UV index in December - Woodbridge, CA
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Woodbridge, CA

Average cloud cover in December - Woodbridge, CA
  • Average cloud cover in December: 34

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Woodbridge, CA

Average visibility in December - Woodbridge, CA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Woodbridge, California, USA

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